Release v2.7.0

Class/AUDIO/Src/usbd_audio.c

@@ -162,8 +162,12 @@ __ALIGN_BEGIN static uint8_t USBD_AUDIO_CfgDesc[USB_AUDIO_CONFIG_DESC_SIZ] __ALI
   0x02,                                 /* bNumInterfaces */
   0x01,                                 /* bConfigurationValue */
   0x00,                                 /* iConfiguration */
-  0xC0,                                 /* bmAttributes  BUS Powred*/
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                 /* bMaxPower = 100 mA*/
+  0xC0,                                 /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                 /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                       /* bMaxPower = 100 mA */
   /* 09 byte*/
 
   /* USB Speaker Standard interface descriptor */
@@ -229,7 +233,7 @@ __ALIGN_BEGIN static uint8_t USBD_AUDIO_CfgDesc[USB_AUDIO_CONFIG_DESC_SIZ] __ALI
   0x00,                                 /* iTerminal */
   /* 09 byte*/
 
-  /* USB Speaker Standard AS Interface Descriptor - Audio Streaming Zero Bandwith */
+  /* USB Speaker Standard AS Interface Descriptor - Audio Streaming Zero Bandwidth */
   /* Interface 1, Alternate Setting 0                                             */
   AUDIO_INTERFACE_DESC_SIZE,            /* bLength */
   USB_DESC_TYPE_INTERFACE,              /* bDescriptorType */
@@ -334,7 +338,7 @@ static uint8_t USBD_AUDIO_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
   UNUSED(cfgidx);
   USBD_AUDIO_HandleTypeDef *haudio;
 
-    /* Allocate Audio structure */
+  /* Allocate Audio structure */
   haudio = USBD_malloc(sizeof(USBD_AUDIO_HandleTypeDef));
 
   if (haudio == NULL)
@@ -426,95 +430,95 @@ static uint8_t USBD_AUDIO_Setup(USBD_HandleTypeDef *pdev,
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS:
+    case USB_REQ_TYPE_CLASS:
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
-    case AUDIO_REQ_GET_CUR:
-      AUDIO_REQ_GetCurrent(pdev, req);
-      break;
-
-    case AUDIO_REQ_SET_CUR:
-      AUDIO_REQ_SetCurrent(pdev, req);
-      break;
-
-    default:
-      USBD_CtlError(pdev, req);
-      ret = USBD_FAIL;
-      break;
-    }
-    break;
-
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
       {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+        case AUDIO_REQ_GET_CUR:
-      }
+          AUDIO_REQ_GetCurrent(pdev, req);
-      else
+          break;
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
 
-    case USB_REQ_GET_DESCRIPTOR:
+        case AUDIO_REQ_SET_CUR:
-      if ((req->wValue >> 8) == AUDIO_DESCRIPTOR_TYPE)
+          AUDIO_REQ_SetCurrent(pdev, req);
-      {
+          break;
-        pbuf = USBD_AUDIO_CfgDesc + 18;
-        len = MIN(USB_AUDIO_DESC_SIZ, req->wLength);
 
-        (void)USBD_CtlSendData(pdev, pbuf, len);
+        default:
-      }
-      break;
-
-    case USB_REQ_GET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&haudio->alt_setting, 1U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_SET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        if ((uint8_t)(req->wValue) <= USBD_MAX_NUM_INTERFACES)
-        {
-          haudio->alt_setting = (uint8_t)(req->wValue);
-        }
-        else
-        {
-          /* Call the error management function (command will be nacked */
           USBD_CtlError(pdev, req);
           ret = USBD_FAIL;
-        }
+          break;
       }
-      else
+      break;
+
+    case USB_REQ_TYPE_STANDARD:
+      switch (req->bRequest)
       {
-        USBD_CtlError(pdev, req);
+        case USB_REQ_GET_STATUS:
-        ret = USBD_FAIL;
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_GET_DESCRIPTOR:
+          if ((req->wValue >> 8) == AUDIO_DESCRIPTOR_TYPE)
+          {
+            pbuf = USBD_AUDIO_CfgDesc + 18;
+            len = MIN(USB_AUDIO_DESC_SIZ, req->wLength);
+
+            (void)USBD_CtlSendData(pdev, pbuf, len);
+          }
+          break;
+
+        case USB_REQ_GET_INTERFACE:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&haudio->alt_setting, 1U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_SET_INTERFACE:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            if ((uint8_t)(req->wValue) <= USBD_MAX_NUM_INTERFACES)
+            {
+              haudio->alt_setting = (uint8_t)(req->wValue);
+            }
+            else
+            {
+              /* Call the error management function (command will be NAKed */
+              USBD_CtlError(pdev, req);
+              ret = USBD_FAIL;
+            }
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
       }
       break;
-
-    case USB_REQ_CLEAR_FEATURE:
-      break;
-
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
@@ -651,13 +655,13 @@ void USBD_AUDIO_Sync(USBD_HandleTypeDef *pdev, AUDIO_OffsetTypeDef offset)
   {
     if ((haudio->wr_ptr - haudio->rd_ptr) < AUDIO_OUT_PACKET)
     {
-       BufferSize -= 4U;
+      BufferSize -= 4U;
     }
     else
     {
       if ((haudio->wr_ptr - haudio->rd_ptr) > (AUDIO_TOTAL_BUF_SIZE - AUDIO_OUT_PACKET))
       {
-         BufferSize += 4U;
+        BufferSize += 4U;
       }
     }
   }
@@ -798,11 +802,11 @@ static void AUDIO_REQ_SetCurrent(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef
 
 
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 static uint8_t *USBD_AUDIO_GetDeviceQualifierDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_AUDIO_DeviceQualifierDesc);
@@ -811,10 +815,10 @@ static uint8_t *USBD_AUDIO_GetDeviceQualifierDesc(uint16_t *length)
 }
 
 /**
-* @brief  USBD_AUDIO_RegisterInterface
+  * @brief  USBD_AUDIO_RegisterInterface
-* @param  fops: Audio interface callback
+  * @param  fops: Audio interface callback
-* @retval status
+  * @retval status
-*/
+  */
 uint8_t USBD_AUDIO_RegisterInterface(USBD_HandleTypeDef *pdev,
                                      USBD_AUDIO_ItfTypeDef *fops)
 {

Class/BillBoard/Src/usbd_billboard.c

@@ -7,7 +7,7 @@
   *           - Initialization and Configuration of high and low layer
   *           - Enumeration as BillBoard Device
   *           - Error management
- * @verbatim
+  * @verbatim
   *
   *          ===================================================================
   *                                BillBoard Class Description
@@ -150,8 +150,12 @@ __ALIGN_BEGIN static uint8_t USBD_BB_CfgDesc[USB_BB_CONFIG_DESC_SIZ]  __ALIGN_EN
   0x01,                        /* bNumInterfaces: 1 interface */
   0x01,                        /* bConfigurationValue: Configuration value */
   USBD_IDX_CONFIG_STR,         /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                        /* bmAttributes: bus powered and Support Remote Wake-up */
+#if (USBD_SELF_POWERED == 1U)
-  0x00,                        /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xC0,                        /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                        /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,              /* MaxPower 100 mA: this current is used for detecting Vbus */
   /* 09 */
 
   /************** Descriptor of BillBoard interface ****************/
@@ -170,15 +174,19 @@ __ALIGN_BEGIN static uint8_t USBD_BB_CfgDesc[USB_BB_CONFIG_DESC_SIZ]  __ALIGN_EN
 /* USB device Other Speed Configuration Descriptor */
 __ALIGN_BEGIN static uint8_t USBD_BB_OtherSpeedCfgDesc[USB_BB_CONFIG_DESC_SIZ]   __ALIGN_END  =
 {
-  0x09,                        /* bLength: Configuation Descriptor size */
+  0x09,                        /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION,
   USB_BB_CONFIG_DESC_SIZ,
   0x00,
   0x01,                        /* bNumInterfaces: 1 interface */
   0x01,                        /* bConfigurationValue: */
   USBD_IDX_CONFIG_STR,         /* iConfiguration: */
-  0xC0,                        /* bmAttributes: */
+#if (USBD_SELF_POWERED == 1U)
-  0x00,                        /* MaxPower 100 mA */
+  0xC0,                        /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                        /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,              /* MaxPower 100 mA */
 
   /************** Descriptor of BillBoard interface ****************/
   /* 09 */
@@ -248,50 +256,50 @@ static uint8_t USBD_BB_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS:
+    case USB_REQ_TYPE_CLASS:
-    break;
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
       break;
-
+    case USB_REQ_TYPE_STANDARD:
-    case USB_REQ_GET_INTERFACE:
+      switch (req->bRequest)
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
       {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&AltSetting, 1U);
+        case USB_REQ_GET_STATUS:
-      }
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      else
+          {
-      {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-        USBD_CtlError(pdev, req);
+          }
-        ret = USBD_FAIL;
+          else
-      }
+          {
-      break;
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case USB_REQ_SET_INTERFACE:
+        case USB_REQ_GET_INTERFACE:
-    case USB_REQ_CLEAR_FEATURE:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&AltSetting, 1U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_SET_INTERFACE:
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;

Class/CDC/Inc/usbd_cdc.h

@@ -65,6 +65,7 @@ extern "C" {
 #define CDC_DATA_FS_IN_PACKET_SIZE                  CDC_DATA_FS_MAX_PACKET_SIZE
 #define CDC_DATA_FS_OUT_PACKET_SIZE                 CDC_DATA_FS_MAX_PACKET_SIZE
 
+#define CDC_REQ_MAX_DATA_SIZE                       0x7U
 /*---------------------------------------------------------------------*/
 /*  CDC definitions                                                    */
 /*---------------------------------------------------------------------*/

Class/CDC/Src/usbd_cdc.c

@@ -166,15 +166,18 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_CfgHSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN
   0x02,                                       /* bNumInterfaces: 2 interface */
   0x01,                                       /* bConfigurationValue: Configuration value */
   0x00,                                       /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                       /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                       /* MaxPower 0 mA */
+  0xC0,                                       /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                       /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                             /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
 
   /* Interface Descriptor */
   0x09,                                       /* bLength: Interface Descriptor size */
   USB_DESC_TYPE_INTERFACE,                    /* bDescriptorType: Interface */
-                                              /* Interface descriptor type */
   0x00,                                       /* bInterfaceNumber: Number of Interface */
   0x00,                                       /* bAlternateSetting: Alternate setting */
   0x01,                                       /* bNumEndpoints: One endpoints used */
@@ -262,8 +265,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN
   0x02,                                       /* bNumInterfaces: 2 interface */
   0x01,                                       /* bConfigurationValue: Configuration value */
   0x00,                                       /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                       /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                       /* MaxPower 0 mA */
+  0xC0,                                       /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                       /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                             /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
 
@@ -348,15 +355,19 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_CfgFSDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN
 
 __ALIGN_BEGIN static uint8_t USBD_CDC_OtherSpeedCfgDesc[USB_CDC_CONFIG_DESC_SIZ] __ALIGN_END =
 {
-  0x09,                                       /* bLength: Configuation Descriptor size */
+  0x09,                                       /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION,
   USB_CDC_CONFIG_DESC_SIZ,
   0x00,
   0x02,                                       /* bNumInterfaces: 2 interfaces */
   0x01,                                       /* bConfigurationValue: */
   0x04,                                       /* iConfiguration: */
-  0xC0,                                       /* bmAttributes: */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                       /* MaxPower 100 mA */
+  0xC0,                                       /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                       /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                             /* MaxPower 100 mA */
 
   /*Interface Descriptor */
   0x09,                                       /* bLength: Interface Descriptor size */
@@ -576,6 +587,7 @@ static uint8_t USBD_CDC_Setup(USBD_HandleTypeDef *pdev,
                               USBD_SetupReqTypedef *req)
 {
   USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef *)pdev->pClassData;
+  uint16_t len;
   uint8_t ifalt = 0U;
   uint16_t status_info = 0U;
   USBD_StatusTypeDef ret = USBD_OK;
@@ -591,7 +603,8 @@ static uint8_t USBD_CDC_Setup(USBD_HandleTypeDef *pdev,
                                                             (uint8_t *)hcdc->data,
                                                             req->wLength);
 
-          (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, req->wLength);
+          len = MIN(CDC_REQ_MAX_DATA_SIZE, req->wLength);
+          (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, len);
         }
         else
         {

Class/CDC/Src/usbd_cdc_if_template.c

@@ -213,7 +213,7 @@ static int8_t TEMPLATE_Receive(uint8_t *Buf, uint32_t *Len)
 
 /**
   * @brief  TEMPLATE_TransmitCplt
-  *         Data transmited callback
+  *         Data transmitted callback
   *
   *         @note
   *         This function is IN transfer complete callback used to inform user that

Class/CDC_ECM/Inc/usbd_cdc_ecm.h

@@ -75,6 +75,8 @@ extern "C" {
 
 #define CDC_ECM_CONFIG_DESC_SIZ                         79U
 
+#define CDC_ECM_DATA_BUFFER_SIZE                        2000U
+
 #define CDC_ECM_DATA_HS_IN_PACKET_SIZE                  CDC_ECM_DATA_HS_MAX_PACKET_SIZE
 #define CDC_ECM_DATA_HS_OUT_PACKET_SIZE                 CDC_ECM_DATA_HS_MAX_PACKET_SIZE
 
@@ -173,7 +175,7 @@ typedef struct
 
 typedef struct
 {
-  uint32_t data[2000 / 4];      /* Force 32bits alignment */
+  uint32_t data[CDC_ECM_DATA_BUFFER_SIZE / 4];      /* Force 32bits alignment */
   uint8_t  CmdOpCode;
   uint8_t  CmdLength;
   uint8_t  Reserved1;  /* Reserved Byte to force 4 bytes alignment of following fields */

Class/CDC_ECM/Src/usbd_cdc_ecm.c

@@ -113,7 +113,8 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_ECM_DeviceQualifierDesc[USB_LEN_DEV_QUALIF
 };
 
 static uint32_t ConnSpeedTab[2] = {CDC_ECM_CONNECT_SPEED_UPSTREAM,
-                                   CDC_ECM_CONNECT_SPEED_DOWNSTREAM};
+                                   CDC_ECM_CONNECT_SPEED_DOWNSTREAM
+                                  };
 
 /**
   * @}
@@ -157,8 +158,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_ECM_CfgHSDesc[] __ALIGN_END =
   0x02,                                     /* bNumInterfaces: 2 interface */
   0x01,                                     /* bConfigurationValue: Configuration value */
   0x00,                                     /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                     /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                     /* MaxPower 0 mA */
+  0xC0,                                     /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                     /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                           /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
 
@@ -265,8 +270,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_ECM_CfgFSDesc[] __ALIGN_END =
   0x02,                                     /* bNumInterfaces: 2 interface */
   0x01,                                     /* bConfigurationValue: Configuration value */
   0x00,                                     /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                     /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                     /* MaxPower 0 mA */
+  0xC0,                                     /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                     /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                           /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
   /* IAD descriptor */
@@ -371,8 +380,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_ECM_OtherSpeedCfgDesc[] __ALIGN_END =
   0x02,                                     /* bNumInterfaces: 2 interface */
   0x01,                                     /* bConfigurationValue: Configuration value */
   0x04,                                     /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                     /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                     /* MaxPower 0 mA */
+  0xC0,                                     /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                     /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                           /* MaxPower 100 mA */
 
   /*--------------------------------------- ------------------------------------*/
   /* IAD descriptor */
@@ -602,84 +615,86 @@ static uint8_t USBD_CDC_ECM_Setup(USBD_HandleTypeDef *pdev,
   USBD_CDC_ECM_HandleTypeDef *hcdc = (USBD_CDC_ECM_HandleTypeDef *) pdev->pClassData;
   USBD_CDC_ECM_ItfTypeDef *EcmInterface = (USBD_CDC_ECM_ItfTypeDef *)pdev->pUserData;
   USBD_StatusTypeDef ret = USBD_OK;
-  uint8_t ifalt = 0U;
+  uint16_t len;
   uint16_t status_info = 0U;
+  uint8_t ifalt = 0U;
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS :
+    case USB_REQ_TYPE_CLASS :
-    if (req->wLength != 0U)
+      if (req->wLength != 0U)
-    {
-      if ((req->bmRequest & 0x80U) != 0U)
       {
-        EcmInterface->Control(req->bRequest,
+        if ((req->bmRequest & 0x80U) != 0U)
-                              (uint8_t *)hcdc->data, req->wLength);
+        {
+          EcmInterface->Control(req->bRequest,
+                                (uint8_t *)hcdc->data, req->wLength);
 
-        (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, req->wLength);
+          len = MIN(CDC_ECM_DATA_BUFFER_SIZE, req->wLength);
+          (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, len);
+        }
+        else
+        {
+          hcdc->CmdOpCode = req->bRequest;
+          hcdc->CmdLength = (uint8_t)req->wLength;
+
+          (void)USBD_CtlPrepareRx(pdev, (uint8_t *)hcdc->data, req->wLength);
+        }
       }
       else
       {
-        hcdc->CmdOpCode = req->bRequest;
+        EcmInterface->Control(req->bRequest, (uint8_t *)req, 0U);
-        hcdc->CmdLength = (uint8_t)req->wLength;
-
-        (void)USBD_CtlPrepareRx(pdev, (uint8_t *)hcdc->data, req->wLength);
-      }
-    }
-    else
-    {
-      EcmInterface->Control(req->bRequest, (uint8_t *)req, 0U);
-    }
-    break;
-
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
       }
       break;
 
-    case USB_REQ_GET_INTERFACE:
+    case USB_REQ_TYPE_STANDARD:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
+      switch (req->bRequest)
       {
-        (void)USBD_CtlSendData(pdev, &ifalt, 1U);
+        case USB_REQ_GET_STATUS:
-      }
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      else
+          {
-      {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-        USBD_CtlError(pdev, req);
+          }
-        ret = USBD_FAIL;
+          else
-      }
+          {
-      break;
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case USB_REQ_SET_INTERFACE:
+        case USB_REQ_GET_INTERFACE:
-      if (pdev->dev_state != USBD_STATE_CONFIGURED)
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
+          {
-        USBD_CtlError(pdev, req);
+            (void)USBD_CtlSendData(pdev, &ifalt, 1U);
-        ret = USBD_FAIL;
+          }
-      }
+          else
-      break;
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case USB_REQ_CLEAR_FEATURE:
+        case USB_REQ_SET_INTERFACE:
+          if (pdev->dev_state != USBD_STATE_CONFIGURED)
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
@@ -769,7 +784,7 @@ static uint8_t USBD_CDC_ECM_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
     if ((CurrPcktLen < hcdc->MaxPcktLen) || (hcdc->RxLength >= CDC_ECM_ETH_MAX_SEGSZE))
     {
       /* USB data will be immediately processed, this allow next USB traffic being
-      NACKed till the end of the application Xfer */
+      NAKed till the end of the application Xfer */
 
       /* Process data by application (ie. copy to app buffer or notify user)
       hcdc->RxLength must be reset to zero at the end of the call of this function */
@@ -973,7 +988,7 @@ uint8_t USBD_CDC_ECM_TransmitPacket(USBD_HandleTypeDef *pdev)
     /* Transmit next packet */
     (void)USBD_LL_Transmit(pdev, CDC_ECM_IN_EP, hcdc->TxBuffer, hcdc->TxLength);
 
-     ret = USBD_OK;
+    ret = USBD_OK;
   }
 
   return (uint8_t)ret;
@@ -996,7 +1011,7 @@ uint8_t USBD_CDC_ECM_ReceivePacket(USBD_HandleTypeDef *pdev)
   }
 
   /* Prepare Out endpoint to receive next packet */
-  (void)USBD_LL_PrepareReceive(pdev, CDC_ECM_OUT_EP,hcdc->RxBuffer, hcdc->MaxPcktLen);
+  (void)USBD_LL_PrepareReceive(pdev, CDC_ECM_OUT_EP, hcdc->RxBuffer, hcdc->MaxPcktLen);
 
   return (uint8_t)USBD_OK;
 }
@@ -1072,7 +1087,7 @@ uint8_t USBD_CDC_ECM_SendNotification(USBD_HandleTypeDef *pdev,
   /* Transmit notification packet */
   if (ReqSize != 0U)
   {
-    (void)USBD_LL_Transmit(pdev, CDC_ECM_CMD_EP, (uint8_t *)&(hcdc->Req), ReqSize);
+    (void)USBD_LL_Transmit(pdev, CDC_ECM_CMD_EP, (uint8_t *) &(hcdc->Req), ReqSize);
   }
 
   return (uint8_t)ret;

Class/CDC_ECM/Src/usbd_cdc_ecm_if_template.c

@@ -32,12 +32,12 @@
 /* Private variables ---------------------------------------------------------*/
 
 #if defined ( __ICCARM__ ) /*!< IAR Compiler */
-  #pragma data_alignment=4
+#pragma data_alignment=4
 #endif
 __ALIGN_BEGIN static uint8_t UserRxBuffer[CDC_ECM_ETH_MAX_SEGSZE + 100]__ALIGN_END; /* Received Data over USB are stored in this buffer */
 
 #if defined ( __ICCARM__ ) /*!< IAR Compiler */
-  #pragma data_alignment=4
+#pragma data_alignment=4
 #endif
 __ALIGN_BEGIN  static uint8_t UserTxBuffer[CDC_ECM_ETH_MAX_SEGSZE + 100]__ALIGN_END; /* Received Data over CDC_ECM (CDC_ECM interface) are stored in this buffer */
 
@@ -133,15 +133,15 @@ static int8_t CDC_ECM_Itf_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length)
       /* Add your code here */
       break;
 
-  case CDC_ECM_SET_ETH_PWRM_PATTERN_FILTER:
+    case CDC_ECM_SET_ETH_PWRM_PATTERN_FILTER:
       /* Add your code here */
       break;
 
-  case CDC_ECM_GET_ETH_PWRM_PATTERN_FILTER:
+    case CDC_ECM_GET_ETH_PWRM_PATTERN_FILTER:
       /* Add your code here */
       break;
 
-  case CDC_ECM_SET_ETH_PACKET_FILTER:
+    case CDC_ECM_SET_ETH_PACKET_FILTER:
       /* Check if this is the first time we enter */
       if (hcdc_cdc_ecm->LinkStatus == 0U)
       {
@@ -164,7 +164,7 @@ static int8_t CDC_ECM_Itf_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length)
       /* Add your code here */
       break;
 
-  case CDC_ECM_GET_ETH_STATISTIC:
+    case CDC_ECM_GET_ETH_STATISTIC:
       /* Add your code here */
       break;
 
@@ -201,7 +201,7 @@ static int8_t CDC_ECM_Itf_Receive(uint8_t *Buf, uint32_t *Len)
 
 /**
   * @brief  CDC_ECM_Itf_TransmitCplt
-  *         Data transmited callback
+  *         Data transmitted callback
   *
   *         @note
   *         This function is IN transfer complete callback used to inform user that

Class/CDC_RNDIS/Src/usbd_cdc_rndis.c

@@ -144,10 +144,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_RNDIS_DeviceQualifierDesc[USB_LEN_DEV_QUAL
 };
 
 static uint8_t MAC_StrDesc[6] = {CDC_RNDIS_MAC_ADDR0, CDC_RNDIS_MAC_ADDR1, CDC_RNDIS_MAC_ADDR2,
-                                 CDC_RNDIS_MAC_ADDR3, CDC_RNDIS_MAC_ADDR4, CDC_RNDIS_MAC_ADDR5};
+                                 CDC_RNDIS_MAC_ADDR3, CDC_RNDIS_MAC_ADDR4, CDC_RNDIS_MAC_ADDR5
+                                };
 
 static uint32_t ConnSpeedTab[2] = {CDC_RNDIS_CONNECT_SPEED_UPSTREAM,
-                                   CDC_RNDIS_CONNECT_SPEED_DOWNSTREAM};
+                                   CDC_RNDIS_CONNECT_SPEED_DOWNSTREAM
+                                  };
 
 static uint8_t EmptyResponse = 0x00U;
 
@@ -193,8 +195,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_RNDIS_CfgHSDesc[] __ALIGN_END =
   0x02,                                        /* bNumInterfaces: 2 interface */
   0x01,                                        /* bConfigurationValue: Configuration value */
   0x00,                                        /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                        /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                        /* MaxPower 0 mA */
+  0xC0,                                        /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                        /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                              /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
   /* IAD descriptor */
@@ -298,8 +304,12 @@ __ALIGN_BEGIN static uint8_t  USBD_CDC_RNDIS_CfgFSDesc[] __ALIGN_END =
   0x02,                                        /* bNumInterfaces: 2 interface */
   0x01,                                        /* bConfigurationValue: Configuration value */
   0x00,                                        /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                        /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                        /* MaxPower 0 mA */
+  0xC0,                                        /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                        /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                              /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
   /* IAD descriptor */
@@ -401,8 +411,12 @@ __ALIGN_BEGIN static uint8_t USBD_CDC_RNDIS_OtherSpeedCfgDesc[] __ALIGN_END =
   0x02,                                        /* bNumInterfaces: 2 interface */
   0x01,                                        /* bConfigurationValue: Configuration value */
   0x04,                                        /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                        /* bmAttributes: self powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                        /* MaxPower 0 mA */
+  0xC0,                                        /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                        /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                              /* MaxPower 100 mA */
 
   /*---------------------------------------------------------------------------*/
   /* IAD descriptor */
@@ -664,114 +678,114 @@ static uint8_t USBD_CDC_RNDIS_Setup(USBD_HandleTypeDef *pdev,
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS :
+    case USB_REQ_TYPE_CLASS :
-    if (req->wLength != 0U)
+      if (req->wLength != 0U)
-    {
-      /* Control Request Data from Device to Host, send data prepared by device */
-      if ((req->bmRequest & 0x80U) != 0U)
       {
-        /* Update opcode and length */
+        /* Control Request Data from Device to Host, send data prepared by device */
-        hcdc->CmdOpCode = req->bRequest;
+        if ((req->bmRequest & 0x80U) != 0U)
-        hcdc->CmdLength = (uint8_t)req->wLength;
-
-        if (hcdc->CmdOpCode == CDC_RNDIS_GET_ENCAPSULATED_RESPONSE)
         {
-          /* Data of Response Message has already been prepared by USBD_CDC_RNDIS_MsgParsing.
+          /* Update opcode and length */
-          Just check that length is corresponding to right expected value */
+          hcdc->CmdOpCode = req->bRequest;
-          if (req->wLength != Msg->MsgLength)
+          hcdc->CmdLength = (uint8_t)req->wLength;
+
+          if (hcdc->CmdOpCode == CDC_RNDIS_GET_ENCAPSULATED_RESPONSE)
           {
+            /* Data of Response Message has already been prepared by USBD_CDC_RNDIS_MsgParsing.
+            Just check that length is corresponding to right expected value */
+            if (req->wLength != Msg->MsgLength)
+            {
+            }
+          }
+
+          /* Allow application layer to pre-process data or add own processing before sending response */
+          ((USBD_CDC_RNDIS_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest,
+                                                                  (uint8_t *)hcdc->data,
+                                                                  req->wLength);
+          /* Check if Response is ready */
+          if (hcdc->ResponseRdy != 0U)
+          {
+            /* Clear Response Ready flag */
+            hcdc->ResponseRdy = 0U;
+
+            /* Send data on control endpoint */
+            (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, Msg->MsgLength);
+          }
+          else
+          {
+            /* CDC_RNDIS Specification says: If for some reason the device receives a GET ENCAPSULATED RESPONSE
+            and is unable to respond with a valid data on the Control endpoint,
+            then it should return a one-byte packet set to 0x00, rather than
+            stalling the Control endpoint */
+            (void)USBD_CtlSendData(pdev, &EmptyResponse, 1U);
           }
         }
-
+        /* Control Request Data from Host to Device: Prepare reception of control data stage */
-        /* Allow application layer to pre-process data or add own processing before sending response */
-        ((USBD_CDC_RNDIS_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest,
-                                                                (uint8_t *)hcdc->data,
-                                                                req->wLength);
-        /* Check if Response is ready */
-        if (hcdc->ResponseRdy != 0U)
-        {
-          /* Clear Response Ready flag */
-          hcdc->ResponseRdy = 0U;
-
-          /* Send data on control endpoint */
-          (void)USBD_CtlSendData(pdev, (uint8_t *)hcdc->data, Msg->MsgLength);
-        }
         else
         {
-          /* CDC_RNDIS Specification says: If for some reason the device receives a GET ENCAPSULATED RESPONSE
+          hcdc->CmdOpCode = req->bRequest;
-          and is unable to respond with a valid data on the Control endpoint,
+          hcdc->CmdLength = (uint8_t)req->wLength;
-          then it should return a one-byte packet set to 0x00, rather than
+
-          stalling the Control endpoint */
+          (void)USBD_CtlPrepareRx(pdev, (uint8_t *)hcdc->data, req->wLength);
-          (void)USBD_CtlSendData(pdev, &EmptyResponse, 1U);
         }
       }
-      /* Control Request Data from Host to Device: Prepare reception of control data stage */
+      /* No Data control request: there is no such request for CDC_RNDIS protocol,
+      so let application layer manage this case */
       else
       {
-        hcdc->CmdOpCode = req->bRequest;
+        ((USBD_CDC_RNDIS_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest,
-        hcdc->CmdLength = (uint8_t)req->wLength;
+                                                                (uint8_t *)req, 0U);
-
-        (void)USBD_CtlPrepareRx(pdev, (uint8_t *)hcdc->data, req->wLength);
-      }
-    }
-    /* No Data control request: there is no such request for CDC_RNDIS protocol,
-    so let application layer manage this case */
-    else
-    {
-      ((USBD_CDC_RNDIS_ItfTypeDef *)pdev->pUserData)->Control(req->bRequest,
-                                                              (uint8_t *)req, 0U);
-    }
-    break;
-
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
       }
       break;
 
-    case USB_REQ_GET_INTERFACE:
+    case USB_REQ_TYPE_STANDARD:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
+      switch (req->bRequest)
       {
-        (void)USBD_CtlSendData(pdev, &ifalt, 1U);
+        case USB_REQ_GET_STATUS:
-      }
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      else
+          {
-      {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-        USBD_CtlError(pdev, req);
+          }
-        ret = USBD_FAIL;
+          else
-      }
+          {
-      break;
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case USB_REQ_SET_INTERFACE:
+        case USB_REQ_GET_INTERFACE:
-      if (pdev->dev_state != USBD_STATE_CONFIGURED)
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
+          {
-        USBD_CtlError(pdev, req);
+            (void)USBD_CtlSendData(pdev, &ifalt, 1U);
-        ret = USBD_FAIL;
+          }
-      }
+          else
-      break;
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case USB_REQ_CLEAR_FEATURE:
+        case USB_REQ_SET_INTERFACE:
+          if (pdev->dev_state != USBD_STATE_CONFIGURED)
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
@@ -822,7 +836,7 @@ static uint8_t USBD_CDC_RNDIS_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
     if (hcdc->NotificationStatus != 0U)
     {
       (void)USBD_CDC_RNDIS_SendNotification(pdev, CONNECTION_SPEED_CHANGE,
-                                             0U, (uint8_t *)ConnSpeedTab);
+                                            0U, (uint8_t *)ConnSpeedTab);
 
       hcdc->NotificationStatus = 0U;
     }
@@ -867,7 +881,7 @@ static uint8_t USBD_CDC_RNDIS_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
         (hcdc->RxLength >= (CDC_RNDIS_ETH_MAX_SEGSZE + sizeof(USBD_CDC_RNDIS_PacketMsgTypeDef))))
     {
       /* USB data will be immediately processed, this allow next USB traffic being
-      NACKed till the end of the application Xfer */
+      NAKed till the end of the application Xfer */
 
       /* Call data packet message parsing and processing function */
       (void)USBD_CDC_RNDIS_ProcessPacketMsg(pdev, (USBD_CDC_RNDIS_PacketMsgTypeDef *)(void *)hcdc->RxBuffer);
@@ -1101,7 +1115,7 @@ uint8_t USBD_CDC_RNDIS_TransmitPacket(USBD_HandleTypeDef *pdev)
     /* Transmit next packet */
     (void)USBD_LL_Transmit(pdev, CDC_RNDIS_IN_EP, hcdc->TxBuffer, hcdc->TxLength);
 
-     ret = USBD_OK;
+    ret = USBD_OK;
   }
 
   return (uint8_t)ret;
@@ -1160,26 +1174,28 @@ uint8_t USBD_CDC_RNDIS_SendNotification(USBD_HandleTypeDef *pdev,
 
   switch (Notif)
   {
-  case RESPONSE_AVAILABLE:
+    case RESPONSE_AVAILABLE:
-    (hcdc->Req).wValue = 0U;
+      (hcdc->Req).wValue = 0U;
-    (hcdc->Req).wIndex = CDC_RNDIS_CMD_ITF_NBR;
+      (hcdc->Req).wIndex = CDC_RNDIS_CMD_ITF_NBR;
-    (hcdc->Req).wLength = 0U;
+      (hcdc->Req).wLength = 0U;
-    for (Idx = 0U; Idx < 8U; Idx++)
-    {
-      (hcdc->Req).data[Idx] = 0U;
-    }
-    ReqSize = 8U;
-    break;
 
-  default:
+      for (Idx = 0U; Idx < 8U; Idx++)
-    ret = USBD_FAIL;
+      {
-    break;
+        (hcdc->Req).data[Idx] = 0U;
+      }
+
+      ReqSize = 8U;
+      break;
+
+    default:
+      ret = USBD_FAIL;
+      break;
   }
 
   /* Transmit notification packet */
   if (ReqSize != 0U)
   {
-    (void)USBD_LL_Transmit(pdev, CDC_RNDIS_CMD_EP, (uint8_t *)&(hcdc->Req), ReqSize);
+    (void)USBD_LL_Transmit(pdev, CDC_RNDIS_CMD_EP, (uint8_t *) &(hcdc->Req), ReqSize);
   }
 
   return (uint8_t)ret;
@@ -1203,39 +1219,39 @@ static uint8_t USBD_CDC_RNDIS_MsgParsing(USBD_HandleTypeDef *pdev, uint8_t *RxBu
   switch (Msg->MsgType)
   {
     /* CDC_RNDIS Initialize message */
-  case CDC_RNDIS_INITIALIZE_MSG_ID:
+    case CDC_RNDIS_INITIALIZE_MSG_ID:
-    ret = USBD_CDC_RNDIS_ProcessInitMsg(pdev, (USBD_CDC_RNDIS_InitMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessInitMsg(pdev, (USBD_CDC_RNDIS_InitMsgTypeDef *)(void *)Msg);
-    break;
+      break;
 
     /* CDC_RNDIS Halt message */
-  case CDC_RNDIS_HALT_MSG_ID:
+    case CDC_RNDIS_HALT_MSG_ID:
-    ret = USBD_CDC_RNDIS_ProcessHaltMsg(pdev, (USBD_CDC_RNDIS_HaltMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessHaltMsg(pdev, (USBD_CDC_RNDIS_HaltMsgTypeDef *)(void *)Msg);
-    break;
+      break;
 
     /* CDC_RNDIS Query message */
-  case CDC_RNDIS_QUERY_MSG_ID:
+    case CDC_RNDIS_QUERY_MSG_ID:
-    ret = USBD_CDC_RNDIS_ProcessQueryMsg(pdev, (USBD_CDC_RNDIS_QueryMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessQueryMsg(pdev, (USBD_CDC_RNDIS_QueryMsgTypeDef *)(void *)Msg);
-    break;
+      break;
 
     /* CDC_RNDIS Set message */
-  case CDC_RNDIS_SET_MSG_ID:
+    case CDC_RNDIS_SET_MSG_ID:
-    ret = USBD_CDC_RNDIS_ProcessSetMsg(pdev, (USBD_CDC_RNDIS_SetMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessSetMsg(pdev, (USBD_CDC_RNDIS_SetMsgTypeDef *)(void *)Msg);
-    break;
+      break;
 
     /* CDC_RNDIS Reset message */
-  case CDC_RNDIS_RESET_MSG_ID:
+    case CDC_RNDIS_RESET_MSG_ID:
-    ret = USBD_CDC_RNDIS_ProcessResetMsg(pdev, (USBD_CDC_RNDIS_ResetMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessResetMsg(pdev, (USBD_CDC_RNDIS_ResetMsgTypeDef *)(void *)Msg);
-    break;
+      break;
 
     /* CDC_RNDIS Keep-Alive message */
-  case CDC_RNDIS_KEEPALIVE_MSG_ID:
+    case CDC_RNDIS_KEEPALIVE_MSG_ID:
-    ret = USBD_CDC_RNDIS_ProcessKeepAliveMsg(pdev, (USBD_CDC_RNDIS_KpAliveMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessKeepAliveMsg(pdev, (USBD_CDC_RNDIS_KpAliveMsgTypeDef *)(void *)Msg);
-    break;
+      break;
 
     /* CDC_RNDIS unsupported message */
-  default:
+    default:
-    ret = USBD_CDC_RNDIS_ProcessUnsupportedMsg(pdev, (USBD_CDC_RNDIS_CtrlMsgTypeDef *)(void *)Msg);
+      ret = USBD_CDC_RNDIS_ProcessUnsupportedMsg(pdev, (USBD_CDC_RNDIS_CtrlMsgTypeDef *)(void *)Msg);
-    break;
+      break;
   }
 
   return ret;
@@ -1318,7 +1334,7 @@ static uint8_t USBD_CDC_RNDIS_ProcessHaltMsg(USBD_HandleTypeDef *pdev,
   /* Set CDC_RNDIS state to INITIALIZED */
   hcdc->State = CDC_RNDIS_STATE_UNINITIALIZED;
 
-  /* No response required for this message, so no notification (RESPNSE_AVAILABLE) is sent */
+  /* No response required for this message, so no notification (RESPONSE_AVAILABLE) is sent */
 
   UNUSED(Msg);
 
@@ -1393,106 +1409,106 @@ static uint8_t USBD_CDC_RNDIS_ProcessQueryMsg(USBD_HandleTypeDef *pdev,
   /* Process the OID depending on its code */
   switch (Msg->Oid)
   {
-  case OID_GEN_SUPPORTED_LIST:
+    case OID_GEN_SUPPORTED_LIST:
-    QueryResponse->InfoBufLength = sizeof(CDC_RNDIS_SupportedOIDs);
+      QueryResponse->InfoBufLength = sizeof(CDC_RNDIS_SupportedOIDs);
-    (void)USBD_memcpy(QueryResponse->InfoBuf, CDC_RNDIS_SupportedOIDs,
+      (void)USBD_memcpy(QueryResponse->InfoBuf, CDC_RNDIS_SupportedOIDs,
-                      sizeof(CDC_RNDIS_SupportedOIDs));
+                        sizeof(CDC_RNDIS_SupportedOIDs));
 
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_HARDWARE_STATUS:
+    case OID_GEN_HARDWARE_STATUS:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = CDC_RNDIS_HW_STS_READY;
+      QueryResponse->InfoBuf[0] = CDC_RNDIS_HW_STS_READY;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_MEDIA_SUPPORTED:
+    case OID_GEN_MEDIA_SUPPORTED:
-  case OID_GEN_MEDIA_IN_USE:
+    case OID_GEN_MEDIA_IN_USE:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = CDC_RNDIS_MEDIUM_802_3;
+      QueryResponse->InfoBuf[0] = CDC_RNDIS_MEDIUM_802_3;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_VENDOR_ID:
+    case OID_GEN_VENDOR_ID:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = USBD_CDC_RNDIS_VID;
+      QueryResponse->InfoBuf[0] = USBD_CDC_RNDIS_VID;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_MAXIMUM_FRAME_SIZE:
+    case OID_GEN_MAXIMUM_FRAME_SIZE:
-  case OID_GEN_TRANSMIT_BLOCK_SIZE:
+    case OID_GEN_TRANSMIT_BLOCK_SIZE:
-  case OID_GEN_RECEIVE_BLOCK_SIZE:
+    case OID_GEN_RECEIVE_BLOCK_SIZE:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = CDC_RNDIS_ETH_FRAME_SIZE_MAX;
+      QueryResponse->InfoBuf[0] = CDC_RNDIS_ETH_FRAME_SIZE_MAX;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_VENDOR_DESCRIPTION:
+    case OID_GEN_VENDOR_DESCRIPTION:
-    QueryResponse->InfoBufLength = (strlen(USBD_CDC_RNDIS_VENDOR_DESC) + 1U);
+      QueryResponse->InfoBufLength = (strlen(USBD_CDC_RNDIS_VENDOR_DESC) + 1U);
-    (void)USBD_memcpy(QueryResponse->InfoBuf, USBD_CDC_RNDIS_VENDOR_DESC,
+      (void)USBD_memcpy(QueryResponse->InfoBuf, USBD_CDC_RNDIS_VENDOR_DESC,
-                      strlen(USBD_CDC_RNDIS_VENDOR_DESC));
+                        strlen(USBD_CDC_RNDIS_VENDOR_DESC));
 
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_MEDIA_CONNECT_STATUS:
+    case OID_GEN_MEDIA_CONNECT_STATUS:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = CDC_RNDIS_MEDIA_STATE_CONNECTED;
+      QueryResponse->InfoBuf[0] = CDC_RNDIS_MEDIA_STATE_CONNECTED;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_MAXIMUM_SEND_PACKETS:
+    case OID_GEN_MAXIMUM_SEND_PACKETS:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = 1U;
+      QueryResponse->InfoBuf[0] = 1U;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_LINK_SPEED:
+    case OID_GEN_LINK_SPEED:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = USBD_CDC_RNDIS_LINK_SPEED;
+      QueryResponse->InfoBuf[0] = USBD_CDC_RNDIS_LINK_SPEED;
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_802_3_PERMANENT_ADDRESS:
+    case OID_802_3_PERMANENT_ADDRESS:
-  case OID_802_3_CURRENT_ADDRESS:
+    case OID_802_3_CURRENT_ADDRESS:
-    QueryResponse->InfoBufLength = 6U;
+      QueryResponse->InfoBufLength = 6U;
-    (void)USBD_memcpy(QueryResponse->InfoBuf, MAC_StrDesc, 6);
+      (void)USBD_memcpy(QueryResponse->InfoBuf, MAC_StrDesc, 6);
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_802_3_MAXIMUM_LIST_SIZE:
+    case OID_802_3_MAXIMUM_LIST_SIZE:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = 1U; /* Only one multicast address supported */
+      QueryResponse->InfoBuf[0] = 1U; /* Only one multicast address supported */
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_CURRENT_PACKET_FILTER:
+    case OID_GEN_CURRENT_PACKET_FILTER:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = 0xFFFFFFU; /* USBD_CDC_RNDIS_DEVICE.packetFilter; */
+      QueryResponse->InfoBuf[0] = 0xFFFFFFU; /* USBD_CDC_RNDIS_DEVICE.packetFilter; */
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_802_3_RCV_ERROR_ALIGNMENT:
+    case OID_802_3_RCV_ERROR_ALIGNMENT:
-  case OID_802_3_XMIT_ONE_COLLISION:
+    case OID_802_3_XMIT_ONE_COLLISION:
-  case OID_802_3_XMIT_MORE_COLLISIONS:
+    case OID_802_3_XMIT_MORE_COLLISIONS:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    QueryResponse->InfoBuf[0] = 0U; /* Unused OIDs, return zero */
+      QueryResponse->InfoBuf[0] = 0U; /* Unused OIDs, return zero */
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_GEN_MAXIMUM_TOTAL_SIZE:
+    case OID_GEN_MAXIMUM_TOTAL_SIZE:
-    QueryResponse->InfoBufLength = sizeof(uint32_t);
+      QueryResponse->InfoBufLength = sizeof(uint32_t);
-    /* Indicate maximum overall buffer (Ethernet frame and CDC_RNDIS header) the adapter can handle */
+      /* Indicate maximum overall buffer (Ethernet frame and CDC_RNDIS header) the adapter can handle */
-    QueryResponse->InfoBuf[0] = (CDC_RNDIS_MESSAGE_BUFFER_SIZE + CDC_RNDIS_ETH_FRAME_SIZE_MAX);
+      QueryResponse->InfoBuf[0] = (CDC_RNDIS_MESSAGE_BUFFER_SIZE + CDC_RNDIS_ETH_FRAME_SIZE_MAX);
-    QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      QueryResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  default:
+    default:
-    /* Unknown or unsupported OID */
+      /* Unknown or unsupported OID */
-    QueryResponse->InfoBufLength = 0U;
+      QueryResponse->InfoBufLength = 0U;
-    QueryResponse->Status = CDC_RNDIS_STATUS_FAILURE;
+      QueryResponse->Status = CDC_RNDIS_STATUS_FAILURE;
-    break;
+      break;
   }
 
   /* Setup the response buffer content */
@@ -1507,7 +1523,7 @@ static uint8_t USBD_CDC_RNDIS_ProcessQueryMsg(USBD_HandleTypeDef *pdev,
   /* Send Notification on Interrupt EP to inform Host that response is ready */
   (void)USBD_CDC_RNDIS_SendNotification(pdev, RESPONSE_AVAILABLE, 0U, NULL);
 
-  return(uint8_t)USBD_OK;
+  return (uint8_t)USBD_OK;
 }
 
 
@@ -1535,21 +1551,21 @@ static uint8_t USBD_CDC_RNDIS_ProcessSetMsg(USBD_HandleTypeDef *pdev,
 
   switch (SetMessage->Oid)
   {
-  case OID_GEN_CURRENT_PACKET_FILTER:
+    case OID_GEN_CURRENT_PACKET_FILTER:
-    /* Setup the packet filter value */
+      /* Setup the packet filter value */
-    hcdc->PacketFilter = SetMessage->InfoBuf[0];
+      hcdc->PacketFilter = SetMessage->InfoBuf[0];
-    SetResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      SetResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  case OID_802_3_MULTICAST_LIST:
+    case OID_802_3_MULTICAST_LIST:
-    /* List of multicast addresses on a miniport adapter */
+      /* List of multicast addresses on a miniport adapter */
-    SetResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
+      SetResponse->Status = CDC_RNDIS_STATUS_SUCCESS;
-    break;
+      break;
 
-  default:
+    default:
-    /* Report an error */
+      /* Report an error */
-    SetResponse->Status = CDC_RNDIS_STATUS_FAILURE;
+      SetResponse->Status = CDC_RNDIS_STATUS_FAILURE;
-    break;
+      break;
   }
 
   /* Prepare response buffer */
@@ -1637,7 +1653,7 @@ static uint8_t USBD_CDC_RNDIS_ProcessPacketMsg(USBD_HandleTypeDef *pdev,
     return (uint8_t)USBD_FAIL;
   }
 
-  /* Point to the payload and udpate the message length */
+  /* Point to the payload and update the message length */
 
   /* Use temporary storage variables to comply with MISRA-C 2012 rule of (+) operand allowed types */
   tmp1 = (uint32_t)PacketMsg;
@@ -1653,12 +1669,12 @@ static uint8_t USBD_CDC_RNDIS_ProcessPacketMsg(USBD_HandleTypeDef *pdev,
 
 
 /**
-* @brief  USBD_CDC_RNDIS_ProcessUnsupportedMsg
+  * @brief  USBD_CDC_RNDIS_ProcessUnsupportedMsg
-*         Parse, extract data and check correctness of CDC_RNDIS KeepAlive command.
+  *         Parse, extract data and check correctness of CDC_RNDIS KeepAlive command.
-* @param  pdev: USB Device Handle pointer
+  * @param  pdev: USB Device Handle pointer
-* @param  Msg: Pointer to the message data extracted from SendEncapsulated command
+  * @param  Msg: Pointer to the message data extracted from SendEncapsulated command
-* @retval status
+  * @retval status
-*/
+  */
 static uint8_t USBD_CDC_RNDIS_ProcessUnsupportedMsg(USBD_HandleTypeDef *pdev,
                                                     USBD_CDC_RNDIS_CtrlMsgTypeDef *Msg)
 {

Class/CDC_RNDIS/Src/usbd_cdc_rndis_if_template.c

@@ -38,12 +38,12 @@
 /* Private macro -------------------------------------------------------------*/
 /* Private variables ---------------------------------------------------------*/
 #if defined ( __ICCARM__ ) /*!< IAR Compiler */
-  #pragma data_alignment=4
+#pragma data_alignment=4
 #endif
 __ALIGN_BEGIN uint8_t UserRxBuffer[CDC_RNDIS_ETH_MAX_SEGSZE + 100] __ALIGN_END; /* Received Data over USB are stored in this buffer */
 
 #if defined ( __ICCARM__ ) /*!< IAR Compiler */
-  #pragma data_alignment=4
+#pragma data_alignment=4
 #endif
 __ALIGN_BEGIN static uint8_t UserTxBuffer[CDC_RNDIS_ETH_MAX_SEGSZE + 100] __ALIGN_END; /* Received Data over CDC_RNDIS (CDC_RNDIS interface) are stored in this buffer */
 
@@ -186,7 +186,7 @@ static int8_t CDC_RNDIS_Itf_Receive(uint8_t *Buf, uint32_t *Len)
 
 /**
   * @brief  CDC_RNDIS_Itf_TransmitCplt
-  *         Data transmited callback
+  *         Data transmitted callback
   *
   *         @note
   *         This function is IN transfer complete callback used to inform user that

Class/CustomHID/Inc/usbd_customhid.h

@@ -42,10 +42,16 @@ extern "C" {
   * @{
   */
 #define CUSTOM_HID_EPIN_ADDR                         0x81U
+
+#ifndef CUSTOM_HID_EPIN_SIZE
 #define CUSTOM_HID_EPIN_SIZE                         0x02U
+#endif
 
 #define CUSTOM_HID_EPOUT_ADDR                        0x01U
+
+#ifndef CUSTOM_HID_EPOUT_SIZE
 #define CUSTOM_HID_EPOUT_SIZE                        0x02U
+#endif
 
 #define USB_CUSTOM_HID_CONFIG_DESC_SIZ               41U
 #define USB_CUSTOM_HID_DESC_SIZ                      9U

Class/CustomHID/Src/usbd_customhid.c

@@ -128,14 +128,17 @@ __ALIGN_BEGIN static uint8_t USBD_CUSTOM_HID_CfgFSDesc[USB_CUSTOM_HID_CONFIG_DES
 {
   0x09,                                               /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                        /* bDescriptorType: Configuration */
-  USB_CUSTOM_HID_CONFIG_DESC_SIZ,
+  USB_CUSTOM_HID_CONFIG_DESC_SIZ,                     /* wTotalLength: Bytes returned */
-                                                      /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                               /* bNumInterfaces: 1 interface */
   0x01,                                               /* bConfigurationValue: Configuration value */
   0x00,                                               /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                               /* bmAttributes: bus powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                               /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xC0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                               /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                     /* MaxPower 100 mA: this current is used for detecting Vbus */
 
   /************** Descriptor of CUSTOM HID interface ****************/
   /* 09 */
@@ -186,14 +189,17 @@ __ALIGN_BEGIN static uint8_t USBD_CUSTOM_HID_CfgHSDesc[USB_CUSTOM_HID_CONFIG_DES
 {
   0x09,                                               /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                        /* bDescriptorType: Configuration */
-  USB_CUSTOM_HID_CONFIG_DESC_SIZ,
+  USB_CUSTOM_HID_CONFIG_DESC_SIZ,                     /* wTotalLength: Bytes returned */
-                                                      /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                               /* bNumInterfaces: 1 interface */
   0x01,                                               /* bConfigurationValue: Configuration value */
   0x00,                                               /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                               /* bmAttributes: bus powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                               /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xC0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                               /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                     /* MaxPower 100 mA: this current is used for detecting Vbus */
 
   /************** Descriptor of CUSTOM HID interface ****************/
   /* 09 */
@@ -244,14 +250,17 @@ __ALIGN_BEGIN static uint8_t USBD_CUSTOM_HID_OtherSpeedCfgDesc[USB_CUSTOM_HID_CO
 {
   0x09,                                               /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                        /* bDescriptorType: Configuration */
-  USB_CUSTOM_HID_CONFIG_DESC_SIZ,
+  USB_CUSTOM_HID_CONFIG_DESC_SIZ,                     /* wTotalLength: Bytes returned */
-                                                      /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                               /* bNumInterfaces: 1 interface */
   0x01,                                               /* bConfigurationValue: Configuration value */
   0x00,                                               /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                               /* bmAttributes: bus powered */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                               /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xC0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                               /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                     /* MaxPower 100 mA: this current is used for detecting Vbus */
 
   /************** Descriptor of CUSTOM HID interface ****************/
   /* 09 */
@@ -282,7 +291,7 @@ __ALIGN_BEGIN static uint8_t USBD_CUSTOM_HID_OtherSpeedCfgDesc[USB_CUSTOM_HID_CO
 
   CUSTOM_HID_EPIN_ADDR,                               /* bEndpointAddress: Endpoint Address (IN) */
   0x03,                                               /* bmAttributes: Interrupt endpoint */
-  CUSTOM_HID_EPIN_SIZE,                               /* wMaxPacketSize: 2 Byte max */
+  CUSTOM_HID_EPIN_SIZE,                               /* wMaxPacketSize: 2 Bytes max */
   0x00,
   CUSTOM_HID_FS_BINTERVAL,                            /* bInterval: Polling Interval */
   /* 34 */
@@ -412,7 +421,7 @@ static uint8_t USBD_CUSTOM_HID_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
   pdev->ep_out[CUSTOM_HID_EPOUT_ADDR & 0xFU].is_used = 0U;
   pdev->ep_out[CUSTOM_HID_EPOUT_ADDR & 0xFU].bInterval = 0U;
 
-  /* FRee allocated memory */
+  /* Free allocated memory */
   if (pdev->pClassData != NULL)
   {
     ((USBD_CUSTOM_HID_ItfTypeDef *)pdev->pUserData)->DeInit();
@@ -441,108 +450,108 @@ static uint8_t USBD_CUSTOM_HID_Setup(USBD_HandleTypeDef *pdev,
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS:
+    case USB_REQ_TYPE_CLASS:
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
+      {
-    case CUSTOM_HID_REQ_SET_PROTOCOL:
+        case CUSTOM_HID_REQ_SET_PROTOCOL:
-      hhid->Protocol = (uint8_t)(req->wValue);
+          hhid->Protocol = (uint8_t)(req->wValue);
+          break;
+
+        case CUSTOM_HID_REQ_GET_PROTOCOL:
+          (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->Protocol, 1U);
+          break;
+
+        case CUSTOM_HID_REQ_SET_IDLE:
+          hhid->IdleState = (uint8_t)(req->wValue >> 8);
+          break;
+
+        case CUSTOM_HID_REQ_GET_IDLE:
+          (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->IdleState, 1U);
+          break;
+
+        case CUSTOM_HID_REQ_SET_REPORT:
+          hhid->IsReportAvailable = 1U;
+          (void)USBD_CtlPrepareRx(pdev, hhid->Report_buf, req->wLength);
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
-    case CUSTOM_HID_REQ_GET_PROTOCOL:
+    case USB_REQ_TYPE_STANDARD:
-      (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->Protocol, 1U);
+      switch (req->bRequest)
-      break;
+      {
+        case USB_REQ_GET_STATUS:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case CUSTOM_HID_REQ_SET_IDLE:
+        case USB_REQ_GET_DESCRIPTOR:
-      hhid->IdleState = (uint8_t)(req->wValue >> 8);
+          if ((req->wValue >> 8) == CUSTOM_HID_REPORT_DESC)
-      break;
+          {
+            len = MIN(USBD_CUSTOM_HID_REPORT_DESC_SIZE, req->wLength);
+            pbuf = ((USBD_CUSTOM_HID_ItfTypeDef *)pdev->pUserData)->pReport;
+          }
+          else
+          {
+            if ((req->wValue >> 8) == CUSTOM_HID_DESCRIPTOR_TYPE)
+            {
+              pbuf = USBD_CUSTOM_HID_Desc;
+              len = MIN(USB_CUSTOM_HID_DESC_SIZ, req->wLength);
+            }
+          }
 
-    case CUSTOM_HID_REQ_GET_IDLE:
+          (void)USBD_CtlSendData(pdev, pbuf, len);
-      (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->IdleState, 1U);
+          break;
-      break;
 
-    case CUSTOM_HID_REQ_SET_REPORT:
+        case USB_REQ_GET_INTERFACE:
-      hhid->IsReportAvailable = 1U;
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      (void)USBD_CtlPrepareRx(pdev, hhid->Report_buf, req->wLength);
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->AltSetting, 1U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_SET_INTERFACE:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            hhid->AltSetting = (uint8_t)(req->wValue);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_GET_DESCRIPTOR:
-      if ((req->wValue >> 8) == CUSTOM_HID_REPORT_DESC)
-      {
-        len = MIN(USBD_CUSTOM_HID_REPORT_DESC_SIZE, req->wLength);
-        pbuf = ((USBD_CUSTOM_HID_ItfTypeDef *)pdev->pUserData)->pReport;
-      }
-      else
-      {
-        if ((req->wValue >> 8) == CUSTOM_HID_DESCRIPTOR_TYPE)
-        {
-          pbuf = USBD_CUSTOM_HID_Desc;
-          len = MIN(USB_CUSTOM_HID_DESC_SIZ, req->wLength);
-        }
-      }
-
-      (void)USBD_CtlSendData(pdev, pbuf, len);
-      break;
-
-    case USB_REQ_GET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->AltSetting, 1U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_SET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        hhid->AltSetting = (uint8_t)(req->wValue);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_CLEAR_FEATURE:
-      break;
-
-    default:
-      USBD_CtlError(pdev, req);
-      ret = USBD_FAIL;
-      break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
   return (uint8_t)ret;
 }
@@ -564,7 +573,7 @@ uint8_t USBD_CUSTOM_HID_SendReport(USBD_HandleTypeDef *pdev,
     return (uint8_t)USBD_FAIL;
   }
 
-  hhid = (USBD_CUSTOM_HID_HandleTypeDef*)pdev->pClassData;
+  hhid = (USBD_CUSTOM_HID_HandleTypeDef *)pdev->pClassData;
 
   if (pdev->dev_state == USBD_STATE_CONFIGURED)
   {
@@ -658,7 +667,7 @@ static uint8_t USBD_CUSTOM_HID_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
     return (uint8_t)USBD_FAIL;
   }
 
-  hhid = (USBD_CUSTOM_HID_HandleTypeDef*)pdev->pClassData;
+  hhid = (USBD_CUSTOM_HID_HandleTypeDef *)pdev->pClassData;
 
   /* USB data will be immediately processed, this allow next USB traffic being
   NAKed till the end of the application processing */
@@ -684,7 +693,7 @@ uint8_t USBD_CUSTOM_HID_ReceivePacket(USBD_HandleTypeDef *pdev)
     return (uint8_t)USBD_FAIL;
   }
 
-  hhid = (USBD_CUSTOM_HID_HandleTypeDef*)pdev->pClassData;
+  hhid = (USBD_CUSTOM_HID_HandleTypeDef *)pdev->pClassData;
 
   /* Resume USB Out process */
   (void)USBD_LL_PrepareReceive(pdev, CUSTOM_HID_EPOUT_ADDR, hhid->Report_buf,
@@ -715,11 +724,11 @@ static uint8_t USBD_CUSTOM_HID_EP0_RxReady(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 static uint8_t *USBD_CUSTOM_HID_GetDeviceQualifierDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_CUSTOM_HID_DeviceQualifierDesc);
@@ -728,7 +737,7 @@ static uint8_t *USBD_CUSTOM_HID_GetDeviceQualifierDesc(uint16_t *length)
 }
 
 /**
-* @brief  USBD_CUSTOM_HID_RegisterInterface
+  * @brief  USBD_CUSTOM_HID_RegisterInterface
   * @param  pdev: device instance
   * @param  fops: CUSTOMHID Interface callback
   * @retval status

Class/CustomHID/Src/usbd_customhid_if_template.c

@@ -83,7 +83,7 @@ static int8_t TEMPLATE_CUSTOM_HID_OutEvent(uint8_t event_idx, uint8_t state)
   UNUSED(event_idx);
   UNUSED(state);
 
-    /* Start next USB packet transfer once data processing is completed */
+  /* Start next USB packet transfer once data processing is completed */
   USBD_CUSTOM_HID_ReceivePacket(&USBD_Device);
 
   return (0);

Class/DFU/Inc/usbd_dfu_media_template.h

@@ -92,6 +92,6 @@ extern USBD_DFU_MediaTypeDef  USBD_DFU_MEDIA_Template_fops;
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Class/DFU/Src/usbd_dfu.c

@@ -153,16 +153,19 @@ USBD_ClassTypeDef USBD_DFU =
 /* USB DFU device Configuration Descriptor */
 __ALIGN_BEGIN static uint8_t USBD_DFU_CfgDesc[USB_DFU_CONFIG_DESC_SIZ] __ALIGN_END =
 {
-  0x09,                                                /* bLength: Configuation Descriptor size */
+  0x09,                                                /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                         /* bDescriptorType: Configuration */
-  USB_DFU_CONFIG_DESC_SIZ,
+  USB_DFU_CONFIG_DESC_SIZ,                             /* wTotalLength: Bytes returned */
-                                                       /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                                /* bNumInterfaces: 1 interface */
   0x01,                                                /* bConfigurationValue: Configuration value */
   0x02,                                                /* iConfiguration: Index of string descriptor describing the configuration */
-  0xC0,                                                /* bmAttributes: bus powered and Supprts Remote Wakeup */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                                /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xC0,                                                /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                                /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                      /* MaxPower 100 mA: this current is used for detecting Vbus */
   /* 09 */
 
   /**********  Descriptor of DFU interface 0 Alternate setting 0 **************/
@@ -339,116 +342,116 @@ static uint8_t USBD_DFU_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *re
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS:
+    case USB_REQ_TYPE_CLASS:
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
-    case DFU_DNLOAD:
-      DFU_Download(pdev, req);
-      break;
-
-    case DFU_UPLOAD:
-      DFU_Upload(pdev, req);
-      break;
-
-    case DFU_GETSTATUS:
-      DFU_GetStatus(pdev);
-      break;
-
-    case DFU_CLRSTATUS:
-      DFU_ClearStatus(pdev);
-      break;
-
-    case DFU_GETSTATE:
-      DFU_GetState(pdev);
-      break;
-
-    case DFU_ABORT:
-      DFU_Abort(pdev);
-      break;
-
-    case DFU_DETACH:
-      DFU_Detach(pdev, req);
-      break;
-
-    default:
-      USBD_CtlError(pdev, req);
-      ret = USBD_FAIL;
-      break;
-    }
-    break;
-
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
       {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+        case DFU_DNLOAD:
-      }
+          DFU_Download(pdev, req);
-      else
+          break;
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
 
-    case USB_REQ_GET_DESCRIPTOR:
+        case DFU_UPLOAD:
-      if ((req->wValue >> 8) == DFU_DESCRIPTOR_TYPE)
+          DFU_Upload(pdev, req);
-      {
+          break;
-        pbuf = USBD_DFU_CfgDesc + (9U * (USBD_DFU_MAX_ITF_NUM + 1U));
-        len = MIN(USB_DFU_DESC_SIZ, req->wLength);
-      }
 
-      (void)USBD_CtlSendData(pdev, pbuf, len);
+        case DFU_GETSTATUS:
-      break;
+          DFU_GetStatus(pdev);
+          break;
 
-    case USB_REQ_GET_INTERFACE:
+        case DFU_CLRSTATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          DFU_ClearStatus(pdev);
-      {
+          break;
-        (void)USBD_CtlSendData(pdev, (uint8_t *)hdfu->alt_setting, 1U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
 
-    case USB_REQ_SET_INTERFACE:
+        case DFU_GETSTATE:
-      if ((uint8_t)(req->wValue) < USBD_DFU_MAX_ITF_NUM)
+          DFU_GetState(pdev);
-      {
+          break;
-        if (pdev->dev_state == USBD_STATE_CONFIGURED)
+
-        {
+        case DFU_ABORT:
-          hdfu->alt_setting = (uint8_t)(req->wValue);
+          DFU_Abort(pdev);
-        }
+          break;
-        else
+
-        {
+        case DFU_DETACH:
+          DFU_Detach(pdev, req);
+          break;
+
+        default:
           USBD_CtlError(pdev, req);
           ret = USBD_FAIL;
-        }
+          break;
-      }
-      else
-      {
-        /* Call the error management function (command will be nacked */
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
       }
       break;
 
-    case USB_REQ_CLEAR_FEATURE:
+    case USB_REQ_TYPE_STANDARD:
+      switch (req->bRequest)
+      {
+        case USB_REQ_GET_STATUS:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_GET_DESCRIPTOR:
+          if ((req->wValue >> 8) == DFU_DESCRIPTOR_TYPE)
+          {
+            pbuf = USBD_DFU_CfgDesc + (9U * (USBD_DFU_MAX_ITF_NUM + 1U));
+            len = MIN(USB_DFU_DESC_SIZ, req->wLength);
+          }
+
+          (void)USBD_CtlSendData(pdev, pbuf, len);
+          break;
+
+        case USB_REQ_GET_INTERFACE:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&hdfu->alt_setting, 1U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_SET_INTERFACE:
+          if ((uint8_t)(req->wValue) < USBD_DFU_MAX_ITF_NUM)
+          {
+            if (pdev->dev_state == USBD_STATE_CONFIGURED)
+            {
+              hdfu->alt_setting = (uint8_t)(req->wValue);
+            }
+            else
+            {
+              USBD_CtlError(pdev, req);
+              ret = USBD_FAIL;
+            }
+          }
+          else
+          {
+            /* Call the error management function (command will be NAKed */
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
@@ -497,14 +500,14 @@ static uint8_t  USBD_DFU_EP0_TxReady(USBD_HandleTypeDef *pdev)
 
   if (hdfu->dev_state == DFU_STATE_DNLOAD_BUSY)
   {
-    /* Decode the Special Command*/
+    /* Decode the Special Command */
     if (hdfu->wblock_num == 0U)
     {
-      if(hdfu->wlength == 1U)
+      if (hdfu->wlength == 1U)
       {
         if (hdfu->buffer.d8[0] == DFU_CMD_GETCOMMANDS)
         {
-          /* nothink to do */
+          /* Nothing to do */
         }
       }
       else if (hdfu->wlength == 5U)
@@ -530,7 +533,7 @@ static uint8_t  USBD_DFU_EP0_TxReady(USBD_HandleTypeDef *pdev)
         }
         else
         {
-          /* .. */
+          return (uint8_t)USBD_FAIL;
         }
       }
       else
@@ -538,7 +541,7 @@ static uint8_t  USBD_DFU_EP0_TxReady(USBD_HandleTypeDef *pdev)
         /* Reset the global length and block number */
         hdfu->wlength = 0U;
         hdfu->wblock_num = 0U;
-        /* Call the error management function (command will be nacked) */
+        /* Call the error management function (command will be NAKed) */
         req.bmRequest = 0U;
         req.wLength = 1U;
         USBD_CtlError(pdev, &req);
@@ -552,7 +555,7 @@ static uint8_t  USBD_DFU_EP0_TxReady(USBD_HandleTypeDef *pdev)
         /* Decode the required address */
         addr = ((hdfu->wblock_num - 2U) * USBD_DFU_XFER_SIZE) + hdfu->data_ptr;
 
-        /* Preform the write operation */
+        /* Perform the write operation */
         if (DfuInterface->Write(hdfu->buffer.d8, (uint8_t *)addr, hdfu->wlength) != USBD_OK)
         {
           return (uint8_t)USBD_FAIL;
@@ -579,7 +582,7 @@ static uint8_t  USBD_DFU_EP0_TxReady(USBD_HandleTypeDef *pdev)
   }
   else
   {
-    /* .. */
+    return (uint8_t)USBD_FAIL;
   }
 
   return (uint8_t)USBD_OK;
@@ -599,11 +602,11 @@ static uint8_t USBD_DFU_SOF(USBD_HandleTypeDef *pdev)
 
 
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 static uint8_t *USBD_DFU_GetDeviceQualifierDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_DFU_DeviceQualifierDesc);
@@ -615,7 +618,7 @@ static uint8_t *USBD_DFU_GetDeviceQualifierDesc(uint16_t *length)
   * @brief  USBD_DFU_GetUsrStringDesc
   *         Manages the transfer of memory interfaces string descriptors.
   * @param  speed : current device speed
-  * @param  index: desciptor index
+  * @param  index: descriptor index
   * @param  length : pointer data length
   * @retval pointer to the descriptor table or NULL if the descriptor is not supported.
   */
@@ -640,10 +643,10 @@ static uint8_t *USBD_DFU_GetUsrStringDesc(USBD_HandleTypeDef *pdev, uint8_t inde
 #endif
 
 /**
-* @brief  USBD_MSC_RegisterStorage
+  * @brief  USBD_MSC_RegisterStorage
-* @param  fops: storage callback
+  * @param  fops: storage callback
-* @retval status
+  * @retval status
-*/
+  */
 uint8_t USBD_DFU_RegisterMedia(USBD_HandleTypeDef *pdev,
                                USBD_DFU_MediaTypeDef *fops)
 {
@@ -659,7 +662,7 @@ uint8_t USBD_DFU_RegisterMedia(USBD_HandleTypeDef *pdev,
 
 /******************************************************************************
      DFU Class requests management
-******************************************************************************/
+  ******************************************************************************/
 /**
   * @brief  DFU_Detach
   *         Handles the DFU DETACH request.
@@ -733,7 +736,7 @@ static void DFU_Download(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
     /* Unsupported state */
     else
     {
-      /* Call the error management function (command will be nacked */
+      /* Call the error management function (command will be NAKed */
       USBD_CtlError(pdev, req);
     }
   }
@@ -752,7 +755,7 @@ static void DFU_Download(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
     }
     else
     {
-      /* Call the error management function (command will be nacked */
+      /* Call the error management function (command will be NAKed */
       USBD_CtlError(pdev, req);
     }
   }
@@ -826,7 +829,7 @@ static void DFU_Upload(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
         hdfu->dev_status[3] = 0U;
         hdfu->dev_status[4] = hdfu->dev_state;
 
-        /* Call the error management function (command will be nacked */
+        /* Call the error management function (command will be NAKed */
         USBD_CtlError(pdev, req);
       }
     }
@@ -836,7 +839,7 @@ static void DFU_Upload(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
       hdfu->wlength = 0U;
       hdfu->wblock_num = 0U;
 
-      /* Call the error management function (command will be nacked */
+      /* Call the error management function (command will be NAKed */
       USBD_CtlError(pdev, req);
     }
   }
@@ -865,63 +868,63 @@ static void DFU_GetStatus(USBD_HandleTypeDef *pdev)
 
   switch (hdfu->dev_state)
   {
-  case DFU_STATE_DNLOAD_SYNC:
+    case DFU_STATE_DNLOAD_SYNC:
-    if (hdfu->wlength != 0U)
+      if (hdfu->wlength != 0U)
-    {
-      hdfu->dev_state = DFU_STATE_DNLOAD_BUSY;
-
-      hdfu->dev_status[1] = 0U;
-      hdfu->dev_status[2] = 0U;
-      hdfu->dev_status[3] = 0U;
-      hdfu->dev_status[4] = hdfu->dev_state;
-
-      if ((hdfu->wblock_num == 0U) && (hdfu->buffer.d8[0] == DFU_CMD_ERASE))
       {
-        DfuInterface->GetStatus(hdfu->data_ptr, DFU_MEDIA_ERASE, hdfu->dev_status);
+        hdfu->dev_state = DFU_STATE_DNLOAD_BUSY;
+
+        hdfu->dev_status[1] = 0U;
+        hdfu->dev_status[2] = 0U;
+        hdfu->dev_status[3] = 0U;
+        hdfu->dev_status[4] = hdfu->dev_state;
+
+        if ((hdfu->wblock_num == 0U) && (hdfu->buffer.d8[0] == DFU_CMD_ERASE))
+        {
+          DfuInterface->GetStatus(hdfu->data_ptr, DFU_MEDIA_ERASE, hdfu->dev_status);
+        }
+        else
+        {
+          DfuInterface->GetStatus(hdfu->data_ptr, DFU_MEDIA_PROGRAM, hdfu->dev_status);
+        }
       }
-      else
+      else  /* (hdfu->wlength==0)*/
       {
-        DfuInterface->GetStatus(hdfu->data_ptr, DFU_MEDIA_PROGRAM, hdfu->dev_status);
+        hdfu->dev_state = DFU_STATE_DNLOAD_IDLE;
-      }
-    }
-    else  /* (hdfu->wlength==0)*/
-    {
-      hdfu->dev_state = DFU_STATE_DNLOAD_IDLE;
-
-      hdfu->dev_status[1] = 0U;
-      hdfu->dev_status[2] = 0U;
-      hdfu->dev_status[3] = 0U;
-      hdfu->dev_status[4] = hdfu->dev_state;
-    }
-    break;
-
-  case DFU_STATE_MANIFEST_SYNC:
-    if (hdfu->manif_state == DFU_MANIFEST_IN_PROGRESS)
-    {
-      hdfu->dev_state = DFU_STATE_MANIFEST;
-
-      hdfu->dev_status[1] = 1U;             /*bwPollTimeout = 1ms*/
-      hdfu->dev_status[2] = 0U;
-      hdfu->dev_status[3] = 0U;
-      hdfu->dev_status[4] = hdfu->dev_state;
-    }
-    else
-    {
-      if ((hdfu->manif_state == DFU_MANIFEST_COMPLETE) &&
-          (((USBD_DFU_CfgDesc[(11U + (9U * USBD_DFU_MAX_ITF_NUM))]) & 0x04U) != 0U))
-      {
-        hdfu->dev_state = DFU_STATE_IDLE;
 
         hdfu->dev_status[1] = 0U;
         hdfu->dev_status[2] = 0U;
         hdfu->dev_status[3] = 0U;
         hdfu->dev_status[4] = hdfu->dev_state;
       }
-    }
+      break;
-    break;
 
-  default:
+    case DFU_STATE_MANIFEST_SYNC:
-    break;
+      if (hdfu->manif_state == DFU_MANIFEST_IN_PROGRESS)
+      {
+        hdfu->dev_state = DFU_STATE_MANIFEST;
+
+        hdfu->dev_status[1] = 1U;             /*bwPollTimeout = 1ms*/
+        hdfu->dev_status[2] = 0U;
+        hdfu->dev_status[3] = 0U;
+        hdfu->dev_status[4] = hdfu->dev_state;
+      }
+      else
+      {
+        if ((hdfu->manif_state == DFU_MANIFEST_COMPLETE) &&
+            (((USBD_DFU_CfgDesc[(11U + (9U * USBD_DFU_MAX_ITF_NUM))]) & 0x04U) != 0U))
+        {
+          hdfu->dev_state = DFU_STATE_IDLE;
+
+          hdfu->dev_status[1] = 0U;
+          hdfu->dev_status[2] = 0U;
+          hdfu->dev_status[3] = 0U;
+          hdfu->dev_status[4] = hdfu->dev_state;
+        }
+      }
+      break;
+
+    default:
+      break;
   }
 
   /* Send the status data over EP0 */
@@ -941,23 +944,23 @@ static void DFU_ClearStatus(USBD_HandleTypeDef *pdev)
   if (hdfu->dev_state == DFU_STATE_ERROR)
   {
     hdfu->dev_state = DFU_STATE_IDLE;
-    hdfu->dev_status[0] = DFU_ERROR_NONE; /*bStatus*/
+    hdfu->dev_status[0] = DFU_ERROR_NONE; /* bStatus */
     hdfu->dev_status[1] = 0U;
     hdfu->dev_status[2] = 0U;
-    hdfu->dev_status[3] = 0U; /*bwPollTimeout=0ms*/
+    hdfu->dev_status[3] = 0U; /* bwPollTimeout=0ms */
-    hdfu->dev_status[4] = hdfu->dev_state; /*bState*/
+    hdfu->dev_status[4] = hdfu->dev_state; /* bState */
-    hdfu->dev_status[5] = 0U; /*iString*/
+    hdfu->dev_status[5] = 0U; /* iString */
   }
   else
   {
-    /*State Error*/
+    /* State Error */
     hdfu->dev_state = DFU_STATE_ERROR;
-    hdfu->dev_status[0] = DFU_ERROR_UNKNOWN; /*bStatus*/
+    hdfu->dev_status[0] = DFU_ERROR_UNKNOWN; /* bStatus */
     hdfu->dev_status[1] = 0U;
     hdfu->dev_status[2] = 0U;
-    hdfu->dev_status[3] = 0U; /*bwPollTimeout=0ms*/
+    hdfu->dev_status[3] = 0U; /* bwPollTimeout=0ms */
-    hdfu->dev_status[4] = hdfu->dev_state; /*bState*/
+    hdfu->dev_status[4] = hdfu->dev_state; /* bState */
-    hdfu->dev_status[5] = 0U; /*iString*/
+    hdfu->dev_status[5] = 0U; /* iString */
   }
 }
 
@@ -996,9 +999,9 @@ static void DFU_Abort(USBD_HandleTypeDef *pdev)
     hdfu->dev_status[0] = DFU_ERROR_NONE;
     hdfu->dev_status[1] = 0U;
     hdfu->dev_status[2] = 0U;
-    hdfu->dev_status[3] = 0U; /*bwPollTimeout=0ms*/
+    hdfu->dev_status[3] = 0U; /* bwPollTimeout=0ms */
     hdfu->dev_status[4] = hdfu->dev_state;
-    hdfu->dev_status[5] = 0U; /*iString*/
+    hdfu->dev_status[5] = 0U; /* iString */
     hdfu->wblock_num = 0U;
     hdfu->wlength = 0U;
   }

Class/HID/Inc/usbd_hid.h

@@ -116,7 +116,7 @@ extern USBD_ClassTypeDef USBD_HID;
 /** @defgroup USB_CORE_Exported_Functions
   * @{
   */
-uint8_t USBD_HID_SendReport(USBD_HandleTypeDef *pdev, uint8_t *report,uint16_t len);
+uint8_t USBD_HID_SendReport(USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len);
 uint32_t USBD_HID_GetPollingInterval(USBD_HandleTypeDef *pdev);
 
 /**

Class/HID/Src/usbd_hid.c

@@ -105,7 +105,8 @@ static uint8_t *USBD_HID_GetDeviceQualifierDesc(uint16_t *length);
   * @{
   */
 
-USBD_ClassTypeDef USBD_HID = {
+USBD_ClassTypeDef USBD_HID =
+{
   USBD_HID_Init,
   USBD_HID_DeInit,
   USBD_HID_Setup,
@@ -123,17 +124,21 @@ USBD_ClassTypeDef USBD_HID = {
 };
 
 /* USB HID device FS Configuration Descriptor */
-__ALIGN_BEGIN static uint8_t USBD_HID_CfgFSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END = {
+__ALIGN_BEGIN static uint8_t USBD_HID_CfgFSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END =
+{
   0x09,                                               /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                        /* bDescriptorType: Configuration */
-  USB_HID_CONFIG_DESC_SIZ,
+  USB_HID_CONFIG_DESC_SIZ,                            /* wTotalLength: Bytes returned */
-                                                      /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                               /* bNumInterfaces: 1 interface */
   0x01,                                               /* bConfigurationValue: Configuration value */
   0x00,                                               /* iConfiguration: Index of string descriptor describing the configuration */
-  0xE0,                                               /* bmAttributes: bus powered and Support Remote Wake-up */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                               /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xE0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0xA0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                     /* MaxPower 100 mA: this current is used for detecting Vbus */
 
   /************** Descriptor of Joystick Mouse interface ****************/
   /* 09 */
@@ -171,17 +176,21 @@ __ALIGN_BEGIN static uint8_t USBD_HID_CfgFSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN
 };
 
 /* USB HID device HS Configuration Descriptor */
-__ALIGN_BEGIN static uint8_t USBD_HID_CfgHSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END = {
+__ALIGN_BEGIN static uint8_t USBD_HID_CfgHSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END =
+{
   0x09,                                               /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                        /* bDescriptorType: Configuration */
-  USB_HID_CONFIG_DESC_SIZ,
+  USB_HID_CONFIG_DESC_SIZ,                            /* wTotalLength: Bytes returned */
-                                                      /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                               /* bNumInterfaces: 1 interface */
   0x01,                                               /* bConfigurationValue: Configuration value */
   0x00,                                               /* iConfiguration: Index of string descriptor describing the configuration */
-  0xE0,                                               /* bmAttributes: bus powered and Support Remote Wake-up */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                               /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xE0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0xA0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                     /* MaxPower 100 mA: this current is used for detecting Vbus */
 
   /************** Descriptor of Joystick Mouse interface ****************/
   /* 09 */
@@ -219,17 +228,21 @@ __ALIGN_BEGIN static uint8_t USBD_HID_CfgHSDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN
 };
 
 /* USB HID device Other Speed Configuration Descriptor */
-__ALIGN_BEGIN static uint8_t USBD_HID_OtherSpeedCfgDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END = {
+__ALIGN_BEGIN static uint8_t USBD_HID_OtherSpeedCfgDesc[USB_HID_CONFIG_DESC_SIZ] __ALIGN_END =
+{
   0x09,                                               /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                        /* bDescriptorType: Configuration */
-  USB_HID_CONFIG_DESC_SIZ,
+  USB_HID_CONFIG_DESC_SIZ,                            /* wTotalLength: Bytes returned */
-                                                      /* wTotalLength: Bytes returned */
   0x00,
   0x01,                                               /* bNumInterfaces: 1 interface */
   0x01,                                               /* bConfigurationValue: Configuration value */
   0x00,                                               /* iConfiguration: Index of string descriptor describing the configuration */
-  0xE0,                                               /* bmAttributes: bus powered and Support Remote Wake-up */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                               /* MaxPower 100 mA: this current is used for detecting Vbus */
+  0xE0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0xA0,                                               /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                     /* MaxPower 100 mA: this current is used for detecting Vbus */
 
   /************** Descriptor of Joystick Mouse interface ****************/
   /* 09 */
@@ -268,7 +281,8 @@ __ALIGN_BEGIN static uint8_t USBD_HID_OtherSpeedCfgDesc[USB_HID_CONFIG_DESC_SIZ]
 
 
 /* USB HID device Configuration Descriptor */
-__ALIGN_BEGIN static uint8_t USBD_HID_Desc[USB_HID_DESC_SIZ] __ALIGN_END = {
+__ALIGN_BEGIN static uint8_t USBD_HID_Desc[USB_HID_DESC_SIZ] __ALIGN_END =
+{
   /* 18 */
   0x09,                                               /* bLength: HID Descriptor size */
   HID_DESCRIPTOR_TYPE,                                /* bDescriptorType: HID */
@@ -282,7 +296,8 @@ __ALIGN_BEGIN static uint8_t USBD_HID_Desc[USB_HID_DESC_SIZ] __ALIGN_END = {
 };
 
 /* USB Standard Device Descriptor */
-__ALIGN_BEGIN static uint8_t USBD_HID_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = {
+__ALIGN_BEGIN static uint8_t USBD_HID_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END =
+{
   USB_LEN_DEV_QUALIFIER_DESC,
   USB_DESC_TYPE_DEVICE_QUALIFIER,
   0x00,
@@ -295,7 +310,8 @@ __ALIGN_BEGIN static uint8_t USBD_HID_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_
   0x00,
 };
 
-__ALIGN_BEGIN static uint8_t HID_MOUSE_ReportDesc[HID_MOUSE_REPORT_DESC_SIZE] __ALIGN_END = {
+__ALIGN_BEGIN static uint8_t HID_MOUSE_ReportDesc[HID_MOUSE_REPORT_DESC_SIZE] __ALIGN_END =
+{
   0x05,   0x01,
   0x09,   0x02,
   0xA1,   0x01,
@@ -384,7 +400,7 @@ static uint8_t USBD_HID_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
     pdev->ep_in[HID_EPIN_ADDR & 0xFU].bInterval = HID_FS_BINTERVAL;
   }
 
-    /* Open EP IN */
+  /* Open EP IN */
   (void)USBD_LL_OpenEP(pdev, HID_EPIN_ADDR, USBD_EP_TYPE_INTR, HID_EPIN_SIZE);
   pdev->ep_in[HID_EPIN_ADDR & 0xFU].is_used = 1U;
 
@@ -409,7 +425,7 @@ static uint8_t USBD_HID_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
   pdev->ep_in[HID_EPIN_ADDR & 0xFU].is_used = 0U;
   pdev->ep_in[HID_EPIN_ADDR & 0xFU].bInterval = 0U;
 
-  /* FRee allocated memory */
+  /* Free allocated memory */
   if (pdev->pClassData != NULL)
   {
     (void)USBD_free(pdev->pClassData);
@@ -436,104 +452,104 @@ static uint8_t USBD_HID_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *re
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS :
+    case USB_REQ_TYPE_CLASS :
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
+      {
-    case HID_REQ_SET_PROTOCOL:
+        case HID_REQ_SET_PROTOCOL:
-      hhid->Protocol = (uint8_t)(req->wValue);
+          hhid->Protocol = (uint8_t)(req->wValue);
-      break;
+          break;
 
-    case HID_REQ_GET_PROTOCOL:
+        case HID_REQ_GET_PROTOCOL:
-      (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->Protocol, 1U);
+          (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->Protocol, 1U);
-      break;
+          break;
 
-    case HID_REQ_SET_IDLE:
+        case HID_REQ_SET_IDLE:
-      hhid->IdleState = (uint8_t)(req->wValue >> 8);
+          hhid->IdleState = (uint8_t)(req->wValue >> 8);
-      break;
+          break;
 
-    case HID_REQ_GET_IDLE:
+        case HID_REQ_GET_IDLE:
-      (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->IdleState, 1U);
+          (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->IdleState, 1U);
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
+      break;
+    case USB_REQ_TYPE_STANDARD:
+      switch (req->bRequest)
+      {
+        case USB_REQ_GET_STATUS:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_GET_DESCRIPTOR:
+          if ((req->wValue >> 8) == HID_REPORT_DESC)
+          {
+            len = MIN(HID_MOUSE_REPORT_DESC_SIZE, req->wLength);
+            pbuf = HID_MOUSE_ReportDesc;
+          }
+          else if ((req->wValue >> 8) == HID_DESCRIPTOR_TYPE)
+          {
+            pbuf = USBD_HID_Desc;
+            len = MIN(USB_HID_DESC_SIZ, req->wLength);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+            break;
+          }
+          (void)USBD_CtlSendData(pdev, pbuf, len);
+          break;
+
+        case USB_REQ_GET_INTERFACE :
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->AltSetting, 1U);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_SET_INTERFACE:
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          {
+            hhid->AltSetting = (uint8_t)(req->wValue);
+          }
+          else
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
+
+        case USB_REQ_CLEAR_FEATURE:
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
       break;
 
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_GET_DESCRIPTOR:
-      if ((req->wValue >> 8) == HID_REPORT_DESC)
-      {
-        len = MIN(HID_MOUSE_REPORT_DESC_SIZE, req->wLength);
-        pbuf = HID_MOUSE_ReportDesc;
-      }
-      else if ((req->wValue >> 8) == HID_DESCRIPTOR_TYPE)
-      {
-        pbuf = USBD_HID_Desc;
-        len = MIN(USB_HID_DESC_SIZ, req->wLength);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-        break;
-      }
-      (void)USBD_CtlSendData(pdev, pbuf, len);
-      break;
-
-    case USB_REQ_GET_INTERFACE :
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&hhid->AltSetting, 1U);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_SET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
-        hhid->AltSetting = (uint8_t)(req->wValue);
-      }
-      else
-      {
-        USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
-      }
-      break;
-
-    case USB_REQ_CLEAR_FEATURE:
-      break;
-
-    default:
-      USBD_CtlError(pdev, req);
-      ret = USBD_FAIL;
-      break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
@@ -651,11 +667,11 @@ static uint8_t USBD_HID_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
 
 
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 static uint8_t *USBD_HID_GetDeviceQualifierDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_HID_DeviceQualifierDesc);

Class/MSC/Inc/usbd_msc_bot.h

@@ -144,7 +144,7 @@ void  MSC_BOT_CplClrFeature(USBD_HandleTypeDef  *pdev,
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 

Class/MSC/Inc/usbd_msc_data.h

@@ -99,7 +99,7 @@ extern uint8_t MSC_Mode_Sense10_data[MODE_SENSE10_LEN];
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Class/MSC/Inc/usbd_msc_scsi.h

@@ -178,8 +178,8 @@ void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey,
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 

Class/MSC/Inc/usbd_msc_storage_template.h

@@ -92,6 +92,6 @@ extern USBD_StorageTypeDef  USBD_MSC_Template_fops;
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Class/MSC/Src/usbd_msc.c

@@ -123,7 +123,7 @@ USBD_ClassTypeDef  USBD_MSC =
 /*   All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
 __ALIGN_BEGIN static uint8_t USBD_MSC_CfgHSDesc[USB_MSC_CONFIG_DESC_SIZ]  __ALIGN_END =
 {
-  0x09,                                            /* bLength: Configuation Descriptor size */
+  0x09,                                            /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                     /* bDescriptorType: Configuration */
   USB_MSC_CONFIG_DESC_SIZ,
 
@@ -131,8 +131,12 @@ __ALIGN_BEGIN static uint8_t USBD_MSC_CfgHSDesc[USB_MSC_CONFIG_DESC_SIZ]  __ALIG
   0x01,                                            /* bNumInterfaces: 1 interface */
   0x01,                                            /* bConfigurationValue: */
   0x04,                                            /* iConfiguration: */
-  0xC0,                                            /* bmAttributes: */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                            /* MaxPower 100 mA */
+  0xC0,                                            /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                            /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                  /* MaxPower 100 mA */
 
   /********************  Mass Storage interface ********************/
   0x09,                                            /* bLength: Interface Descriptor size */
@@ -166,7 +170,7 @@ __ALIGN_BEGIN static uint8_t USBD_MSC_CfgHSDesc[USB_MSC_CONFIG_DESC_SIZ]  __ALIG
 /* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
 __ALIGN_BEGIN static uint8_t USBD_MSC_CfgFSDesc[USB_MSC_CONFIG_DESC_SIZ]  __ALIGN_END =
 {
-  0x09,                                            /* bLength: Configuation Descriptor size */
+  0x09,                                            /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_CONFIGURATION,                     /* bDescriptorType: Configuration */
   USB_MSC_CONFIG_DESC_SIZ,
 
@@ -174,8 +178,12 @@ __ALIGN_BEGIN static uint8_t USBD_MSC_CfgFSDesc[USB_MSC_CONFIG_DESC_SIZ]  __ALIG
   0x01,                                            /* bNumInterfaces: 1 interface */
   0x01,                                            /* bConfigurationValue: */
   0x04,                                            /* iConfiguration: */
-  0xC0,                                            /* bmAttributes: */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                            /* MaxPower 100 mA */
+  0xC0,                                            /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                            /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                  /* MaxPower 100 mA */
 
   /********************  Mass Storage interface ********************/
   0x09,                                            /* bLength: Interface Descriptor size */
@@ -207,7 +215,7 @@ __ALIGN_BEGIN static uint8_t USBD_MSC_CfgFSDesc[USB_MSC_CONFIG_DESC_SIZ]  __ALIG
 
 __ALIGN_BEGIN static uint8_t USBD_MSC_OtherSpeedCfgDesc[USB_MSC_CONFIG_DESC_SIZ]   __ALIGN_END  =
 {
-  0x09,                                           /* bLength: Configuation Descriptor size */
+  0x09,                                           /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION,
   USB_MSC_CONFIG_DESC_SIZ,
 
@@ -215,8 +223,12 @@ __ALIGN_BEGIN static uint8_t USBD_MSC_OtherSpeedCfgDesc[USB_MSC_CONFIG_DESC_SIZ]
   0x01,                                           /* bNumInterfaces: 1 interface */
   0x01,                                           /* bConfigurationValue: */
   0x04,                                           /* iConfiguration: */
-  0xC0,                                           /* bmAttributes: */
+#if (USBD_SELF_POWERED == 1U)
-  0x32,                                           /* MaxPower 100 mA */
+  0xC0,                                           /* bmAttributes: Bus Powered according to user configuration */
+#else
+  0x80,                                           /* bmAttributes: Bus Powered according to user configuration */
+#endif
+  USBD_MAX_POWER,                                 /* MaxPower 100 mA */
 
   /********************  Mass Storage interface ********************/
   0x09,                                           /* bLength: Interface Descriptor size */
@@ -320,7 +332,7 @@ uint8_t USBD_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
 
 /**
   * @brief  USBD_MSC_DeInit
-  *         DeInitilaize  the mass storage configuration
+  *         DeInitialize  the mass storage configuration
   * @param  pdev: device instance
   * @param  cfgidx: configuration index
   * @retval status
@@ -350,12 +362,12 @@ uint8_t USBD_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
   return (uint8_t)USBD_OK;
 }
 /**
-* @brief  USBD_MSC_Setup
+  * @brief  USBD_MSC_Setup
-*         Handle the MSC specific requests
+  *         Handle the MSC specific requests
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  req: USB request
+  * @param  req: USB request
-* @retval status
+  * @retval status
-*/
+  */
 uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -365,93 +377,100 @@ uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
     /* Class request */
-  case USB_REQ_TYPE_CLASS:
+    case USB_REQ_TYPE_CLASS:
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
-    case BOT_GET_MAX_LUN:
-      if ((req->wValue  == 0U) && (req->wLength == 1U) &&
-          ((req->bmRequest & 0x80U) == 0x80U))
       {
-        hmsc->max_lun = (uint32_t)((USBD_StorageTypeDef *)pdev->pUserData)->GetMaxLun();
+        case BOT_GET_MAX_LUN:
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->max_lun, 1U);
+          if ((req->wValue  == 0U) && (req->wLength == 1U) &&
-      }
+              ((req->bmRequest & 0x80U) == 0x80U))
-      else
+          {
-      {
+            hmsc->max_lun = (uint32_t)((USBD_StorageTypeDef *)pdev->pUserData)->GetMaxLun();
-        USBD_CtlError(pdev, req);
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->max_lun, 1U);
-        ret = USBD_FAIL;
+          }
-      }
+          else
-      break;
+          {
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case BOT_RESET :
+        case BOT_RESET :
-      if ((req->wValue  == 0U) && (req->wLength == 0U) &&
+          if ((req->wValue  == 0U) && (req->wLength == 0U) &&
-          ((req->bmRequest & 0x80U) != 0x80U))
+              ((req->bmRequest & 0x80U) != 0x80U))
-      {
+          {
-        MSC_BOT_Reset(pdev);
+            MSC_BOT_Reset(pdev);
-      }
+          }
-      else
+          else
-      {
+          {
-        USBD_CtlError(pdev, req);
+            USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
+            ret = USBD_FAIL;
-      }
+          }
-      break;
+          break;
 
-    default:
+        default:
-      USBD_CtlError(pdev, req);
+          USBD_CtlError(pdev, req);
-      ret = USBD_FAIL;
+          ret = USBD_FAIL;
+          break;
+      }
       break;
-    }
-    break;
     /* Interface & Endpoint request */
-  case USB_REQ_TYPE_STANDARD:
+    case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
-    case USB_REQ_GET_STATUS:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
       {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
+        case USB_REQ_GET_STATUS:
-      }
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      else
+          {
-      {
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&status_info, 2U);
-        USBD_CtlError(pdev, req);
+          }
-        ret = USBD_FAIL;
+          else
-      }
+          {
-      break;
+            USBD_CtlError(pdev, req);
+            ret = USBD_FAIL;
+          }
+          break;
 
-    case USB_REQ_GET_INTERFACE:
+        case USB_REQ_GET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
+          {
-        (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->interface, 1U);
+            (void)USBD_CtlSendData(pdev, (uint8_t *)&hmsc->interface, 1U);
-      }
+          }
-      else
+          else
-      {
+          {
-        USBD_CtlError(pdev, req);
+            USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
+            ret = USBD_FAIL;
-      }
+          }
-      break;
+          break;
 
-    case USB_REQ_SET_INTERFACE:
+        case USB_REQ_SET_INTERFACE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
+          {
-        hmsc->interface = (uint8_t)(req->wValue);
+            hmsc->interface = (uint8_t)(req->wValue);
-      }
+          }
-      else
+          else
-      {
+          {
-        USBD_CtlError(pdev, req);
+            USBD_CtlError(pdev, req);
-        ret = USBD_FAIL;
+            ret = USBD_FAIL;
-      }
+          }
-      break;
+          break;
 
-    case USB_REQ_CLEAR_FEATURE:
+        case USB_REQ_CLEAR_FEATURE:
-      if (pdev->dev_state == USBD_STATE_CONFIGURED)
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-      {
+          {
-        if (req->wValue == USB_FEATURE_EP_HALT)
+            if (req->wValue == USB_FEATURE_EP_HALT)
-        {
+            {
-          /* Flush the FIFO */
+              /* Flush the FIFO */
-          (void)USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex);
+              (void)USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex);
 
-          /* Handle BOT error */
+              /* Handle BOT error */
-          MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex);
+              MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex);
-        }
+            }
+          }
+          break;
+
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
       }
       break;
 
@@ -459,25 +478,18 @@ uint8_t USBD_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
 }
 
 /**
-* @brief  USBD_MSC_DataIn
+  * @brief  USBD_MSC_DataIn
-*         handle data IN Stage
+  *         handle data IN Stage
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval status
+  * @retval status
-*/
+  */
 uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
 {
   MSC_BOT_DataIn(pdev, epnum);
@@ -486,12 +498,12 @@ uint8_t USBD_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
 }
 
 /**
-* @brief  USBD_MSC_DataOut
+  * @brief  USBD_MSC_DataOut
-*         handle data OUT Stage
+  *         handle data OUT Stage
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval status
+  * @retval status
-*/
+  */
 uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
 {
   MSC_BOT_DataOut(pdev, epnum);
@@ -500,11 +512,11 @@ uint8_t USBD_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
 }
 
 /**
-* @brief  USBD_MSC_GetHSCfgDesc
+  * @brief  USBD_MSC_GetHSCfgDesc
-*         return configuration descriptor
+  *         return configuration descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_MSC_CfgHSDesc);
@@ -513,11 +525,11 @@ uint8_t *USBD_MSC_GetHSCfgDesc(uint16_t *length)
 }
 
 /**
-* @brief  USBD_MSC_GetFSCfgDesc
+  * @brief  USBD_MSC_GetFSCfgDesc
-*         return configuration descriptor
+  *         return configuration descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_MSC_CfgFSDesc);
@@ -526,11 +538,11 @@ uint8_t *USBD_MSC_GetFSCfgDesc(uint16_t *length)
 }
 
 /**
-* @brief  USBD_MSC_GetOtherSpeedCfgDesc
+  * @brief  USBD_MSC_GetOtherSpeedCfgDesc
-*         return other speed configuration descriptor
+  *         return other speed configuration descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_MSC_OtherSpeedCfgDesc);
@@ -538,11 +550,11 @@ uint8_t *USBD_MSC_GetOtherSpeedCfgDesc(uint16_t *length)
   return USBD_MSC_OtherSpeedCfgDesc;
 }
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_MSC_DeviceQualifierDesc);
@@ -551,10 +563,10 @@ uint8_t *USBD_MSC_GetDeviceQualifierDescriptor(uint16_t *length)
 }
 
 /**
-* @brief  USBD_MSC_RegisterStorage
+  * @brief  USBD_MSC_RegisterStorage
-* @param  fops: storage callback
+  * @param  fops: storage callback
-* @retval status
+  * @retval status
-*/
+  */
 uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops)
 {
   if (fops == NULL)

Class/MSC/Src/usbd_msc_bot.c

@@ -90,11 +90,11 @@ static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev);
 
 
 /**
-* @brief  MSC_BOT_Init
+  * @brief  MSC_BOT_Init
-*         Initialize the BOT Process
+  *         Initialize the BOT Process
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval None
+  * @retval None
-*/
+  */
 void MSC_BOT_Init(USBD_HandleTypeDef *pdev)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -111,17 +111,17 @@ void MSC_BOT_Init(USBD_HandleTypeDef *pdev)
   (void)USBD_LL_FlushEP(pdev, MSC_EPOUT_ADDR);
   (void)USBD_LL_FlushEP(pdev, MSC_EPIN_ADDR);
 
-  /* Prapare EP to Receive First BOT Cmd */
+  /* Prepare EP to Receive First BOT Cmd */
   (void)USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)&hmsc->cbw,
                                USBD_BOT_CBW_LENGTH);
 }
 
 /**
-* @brief  MSC_BOT_Reset
+  * @brief  MSC_BOT_Reset
-*         Reset the BOT Machine
+  *         Reset the BOT Machine
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval  None
+  * @retval  None
-*/
+  */
 void MSC_BOT_Reset(USBD_HandleTypeDef *pdev)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -132,17 +132,17 @@ void MSC_BOT_Reset(USBD_HandleTypeDef *pdev)
   (void)USBD_LL_ClearStallEP(pdev, MSC_EPIN_ADDR);
   (void)USBD_LL_ClearStallEP(pdev, MSC_EPOUT_ADDR);
 
-  /* Prapare EP to Receive First BOT Cmd */
+  /* Prepare EP to Receive First BOT Cmd */
   (void)USBD_LL_PrepareReceive(pdev, MSC_EPOUT_ADDR, (uint8_t *)&hmsc->cbw,
                                USBD_BOT_CBW_LENGTH);
 }
 
 /**
-* @brief  MSC_BOT_DeInit
+  * @brief  MSC_BOT_DeInit
-*         Deinitialize the BOT Machine
+  *         DeInitialize the BOT Machine
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval None
+  * @retval None
-*/
+  */
 void MSC_BOT_DeInit(USBD_HandleTypeDef  *pdev)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -150,12 +150,12 @@ void MSC_BOT_DeInit(USBD_HandleTypeDef  *pdev)
 }
 
 /**
-* @brief  MSC_BOT_DataIn
+  * @brief  MSC_BOT_DataIn
-*         Handle BOT IN data stage
+  *         Handle BOT IN data stage
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval None
+  * @retval None
-*/
+  */
 void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
 {
   UNUSED(epnum);
@@ -164,29 +164,29 @@ void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum)
 
   switch (hmsc->bot_state)
   {
-  case USBD_BOT_DATA_IN:
+    case USBD_BOT_DATA_IN:
-    if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
+      if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0)
-    {
+      {
-      MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
+        MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED);
-    }
+      }
-    break;
+      break;
 
-  case USBD_BOT_SEND_DATA:
+    case USBD_BOT_SEND_DATA:
-  case USBD_BOT_LAST_DATA_IN:
+    case USBD_BOT_LAST_DATA_IN:
-    MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
+      MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED);
-    break;
+      break;
 
-  default:
+    default:
-    break;
+      break;
   }
 }
 /**
-* @brief  MSC_BOT_DataOut
+  * @brief  MSC_BOT_DataOut
-*         Process MSC OUT data
+  *         Process MSC OUT data
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval None
+  * @retval None
-*/
+  */
 void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
 {
   UNUSED(epnum);
@@ -212,11 +212,11 @@ void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
 }
 
 /**
-* @brief  MSC_BOT_CBW_Decode
+  * @brief  MSC_BOT_CBW_Decode
-*         Decode the CBW command and set the BOT state machine accordingly
+  *         Decode the CBW command and set the BOT state machine accordingly
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval None
+  * @retval None
-*/
+  */
 static void  MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -273,13 +273,13 @@ static void  MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  MSC_BOT_SendData
+  * @brief  MSC_BOT_SendData
-*         Send the requested data
+  *         Send the requested data
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  buf: pointer to data buffer
+  * @param  buf: pointer to data buffer
-* @param  len: Data Length
+  * @param  len: Data Length
-* @retval None
+  * @retval None
-*/
+  */
 static void  MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -294,12 +294,12 @@ static void  MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t
 }
 
 /**
-* @brief  MSC_BOT_SendCSW
+  * @brief  MSC_BOT_SendCSW
-*         Send the Command Status Wrapper
+  *         Send the Command Status Wrapper
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  status : CSW status
+  * @param  status : CSW status
-* @retval None
+  * @retval None
-*/
+  */
 void  MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, uint8_t CSW_Status)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -317,11 +317,11 @@ void  MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, uint8_t CSW_Status)
 }
 
 /**
-* @brief  MSC_BOT_Abort
+  * @brief  MSC_BOT_Abort
-*         Abort the current transfer
+  *         Abort the current transfer
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 
 static void  MSC_BOT_Abort(USBD_HandleTypeDef *pdev)
 {
@@ -344,12 +344,12 @@ static void  MSC_BOT_Abort(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  MSC_BOT_CplClrFeature
+  * @brief  MSC_BOT_CplClrFeature
-*         Complete the clear feature request
+  *         Complete the clear feature request
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval None
+  * @retval None
-*/
+  */
 
 void  MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum)
 {

Class/MSC/Src/usbd_msc_data.c

@@ -87,7 +87,7 @@ uint8_t MSC_Page80_Inquiry_Data[LENGTH_INQUIRY_PAGE80] =
   0x20,
   0x20,
   0x20
- };
+};
 
 /* USB Mass storage sense 6 Data */
 uint8_t MSC_Mode_Sense6_data[MODE_SENSE6_LEN] =

Class/MSC/Src/usbd_msc_scsi.c

@@ -111,13 +111,13 @@ static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc,
 
 
 /**
-* @brief  SCSI_ProcessCmd
+  * @brief  SCSI_ProcessCmd
-*         Process SCSI commands
+  *         Process SCSI commands
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd)
 {
   int8_t ret;
@@ -125,71 +125,71 @@ int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd)
 
   switch (cmd[0])
   {
-  case SCSI_TEST_UNIT_READY:
+    case SCSI_TEST_UNIT_READY:
-    ret = SCSI_TestUnitReady(pdev, lun, cmd);
+      ret = SCSI_TestUnitReady(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_REQUEST_SENSE:
+    case SCSI_REQUEST_SENSE:
-    ret = SCSI_RequestSense(pdev, lun, cmd);
+      ret = SCSI_RequestSense(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_INQUIRY:
+    case SCSI_INQUIRY:
-    ret = SCSI_Inquiry(pdev, lun, cmd);
+      ret = SCSI_Inquiry(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_START_STOP_UNIT:
+    case SCSI_START_STOP_UNIT:
-    ret = SCSI_StartStopUnit(pdev, lun, cmd);
+      ret = SCSI_StartStopUnit(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_ALLOW_MEDIUM_REMOVAL:
+    case SCSI_ALLOW_MEDIUM_REMOVAL:
-    ret = SCSI_AllowPreventRemovable(pdev, lun, cmd);
+      ret = SCSI_AllowPreventRemovable(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_MODE_SENSE6:
+    case SCSI_MODE_SENSE6:
-    ret = SCSI_ModeSense6(pdev, lun, cmd);
+      ret = SCSI_ModeSense6(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_MODE_SENSE10:
+    case SCSI_MODE_SENSE10:
-    ret = SCSI_ModeSense10(pdev, lun, cmd);
+      ret = SCSI_ModeSense10(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_READ_FORMAT_CAPACITIES:
+    case SCSI_READ_FORMAT_CAPACITIES:
-    ret = SCSI_ReadFormatCapacity(pdev, lun, cmd);
+      ret = SCSI_ReadFormatCapacity(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_READ_CAPACITY10:
+    case SCSI_READ_CAPACITY10:
-    ret = SCSI_ReadCapacity10(pdev, lun, cmd);
+      ret = SCSI_ReadCapacity10(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_READ_CAPACITY16:
+    case SCSI_READ_CAPACITY16:
-    ret = SCSI_ReadCapacity16(pdev, lun, cmd);
+      ret = SCSI_ReadCapacity16(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_READ10:
+    case SCSI_READ10:
-    ret = SCSI_Read10(pdev, lun, cmd);
+      ret = SCSI_Read10(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_READ12:
+    case SCSI_READ12:
-    ret = SCSI_Read12(pdev, lun, cmd);
+      ret = SCSI_Read12(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_WRITE10:
+    case SCSI_WRITE10:
-    ret = SCSI_Write10(pdev, lun, cmd);
+      ret = SCSI_Write10(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_WRITE12:
+    case SCSI_WRITE12:
-    ret = SCSI_Write12(pdev, lun, cmd);
+      ret = SCSI_Write12(pdev, lun, cmd);
-    break;
+      break;
 
-  case SCSI_VERIFY10:
+    case SCSI_VERIFY10:
-    ret = SCSI_Verify10(pdev, lun, cmd);
+      ret = SCSI_Verify10(pdev, lun, cmd);
-    break;
+      break;
 
-  default:
+    default:
-    SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_CDB);
+      SCSI_SenseCode(pdev, lun, ILLEGAL_REQUEST, INVALID_CDB);
-    hmsc->bot_status = USBD_BOT_STATUS_ERROR;
+      hmsc->bot_status = USBD_BOT_STATUS_ERROR;
-    ret = -1;
+      ret = -1;
-    break;
+      break;
   }
 
   return ret;
@@ -197,12 +197,12 @@ int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *cmd)
 
 
 /**
-* @brief  SCSI_TestUnitReady
+  * @brief  SCSI_TestUnitReady
-*         Process SCSI Test Unit Ready Command
+  *         Process SCSI Test Unit Ready Command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(params);
@@ -237,12 +237,12 @@ static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t
 
 
 /**
-* @brief  SCSI_Inquiry
+  * @brief  SCSI_Inquiry
-*         Process Inquiry command
+  *         Process Inquiry command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   uint8_t *pPage;
@@ -275,7 +275,7 @@ static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *param
   }
   else
   {
-    pPage = (uint8_t *)&((USBD_StorageTypeDef *)pdev->pUserData)->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN];
+    pPage = (uint8_t *) &((USBD_StorageTypeDef *)pdev->pUserData)->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN];
     len = (uint16_t)pPage[4] + 5U;
 
     if (params[4] <= len)
@@ -291,12 +291,12 @@ static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *param
 
 
 /**
-* @brief  SCSI_ReadCapacity10
+  * @brief  SCSI_ReadCapacity10
-*         Process Read Capacity 10 command
+  *         Process Read Capacity 10 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(params);
@@ -329,12 +329,12 @@ static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t
 
 
 /**
-* @brief  SCSI_ReadCapacity16
+  * @brief  SCSI_ReadCapacity16
-*         Process Read Capacity 16 command
+  *         Process Read Capacity 16 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(params);
@@ -353,7 +353,7 @@ static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t
   hmsc->bot_data_length = ((uint32_t)params[10] << 24) |
                           ((uint32_t)params[11] << 16) |
                           ((uint32_t)params[12] <<  8) |
-                           (uint32_t)params[13];
+                          (uint32_t)params[13];
 
   for (idx = 0U; idx < hmsc->bot_data_length; idx++)
   {
@@ -373,19 +373,19 @@ static int8_t SCSI_ReadCapacity16(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t
   hmsc->bot_data_length = ((uint32_t)params[10] << 24) |
                           ((uint32_t)params[11] << 16) |
                           ((uint32_t)params[12] <<  8) |
-                           (uint32_t)params[13];
+                          (uint32_t)params[13];
 
   return 0;
 }
 
 
 /**
-* @brief  SCSI_ReadFormatCapacity
+  * @brief  SCSI_ReadFormatCapacity
-*         Process Read Format Capacity command
+  *         Process Read Format Capacity command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(params);
@@ -426,12 +426,12 @@ static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uin
 
 
 /**
-* @brief  SCSI_ModeSense6
+  * @brief  SCSI_ModeSense6
-*         Process Mode Sense6 command
+  *         Process Mode Sense6 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(lun);
@@ -450,12 +450,12 @@ static int8_t SCSI_ModeSense6(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *pa
 
 
 /**
-* @brief  SCSI_ModeSense10
+  * @brief  SCSI_ModeSense10
-*         Process Mode Sense10 command
+  *         Process Mode Sense10 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(lun);
@@ -474,12 +474,12 @@ static int8_t SCSI_ModeSense10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *p
 
 
 /**
-* @brief  SCSI_RequestSense
+  * @brief  SCSI_RequestSense
-*         Process Request Sense command
+  *         Process Request Sense command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(lun);
@@ -525,14 +525,14 @@ static int8_t SCSI_RequestSense(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *
 
 
 /**
-* @brief  SCSI_SenseCode
+  * @brief  SCSI_SenseCode
-*         Load the last error code in the error list
+  *         Load the last error code in the error list
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  sKey: Sense Key
+  * @param  sKey: Sense Key
-* @param  ASC: Additional Sense Code
+  * @param  ASC: Additional Sense Code
-* @retval none
+  * @retval none
 
-*/
+  */
 void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC)
 {
   UNUSED(lun);
@@ -551,12 +551,12 @@ void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t
 
 
 /**
-* @brief  SCSI_StartStopUnit
+  * @brief  SCSI_StartStopUnit
-*         Process Start Stop Unit command
+  *         Process Start Stop Unit command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(lun);
@@ -592,12 +592,12 @@ static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t
 
 
 /**
-* @brief  SCSI_AllowPreventRemovable
+  * @brief  SCSI_AllowPreventRemovable
-*         Process Allow Prevent Removable medium command
+  *         Process Allow Prevent Removable medium command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   UNUSED(lun);
@@ -619,12 +619,12 @@ static int8_t SCSI_AllowPreventRemovable(USBD_HandleTypeDef *pdev, uint8_t lun,
 
 
 /**
-* @brief  SCSI_Read10
+  * @brief  SCSI_Read10
-*         Process Read10 command
+  *         Process Read10 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -680,12 +680,12 @@ static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params
 
 
 /**
-* @brief  SCSI_Read12
+  * @brief  SCSI_Read12
-*         Process Read12 command
+  *         Process Read12 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -743,12 +743,12 @@ static int8_t SCSI_Read12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params
 
 
 /**
-* @brief  SCSI_Write10
+  * @brief  SCSI_Write10
-*         Process Write10 command
+  *         Process Write10 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -823,12 +823,12 @@ static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *param
 
 
 /**
-* @brief  SCSI_Write12
+  * @brief  SCSI_Write12
-*         Process Write12 command
+  *         Process Write12 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -907,12 +907,12 @@ static int8_t SCSI_Write12(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *param
 
 
 /**
-* @brief  SCSI_Verify10
+  * @brief  SCSI_Verify10
-*         Process Verify10 command
+  *         Process Verify10 command
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  params: Command parameters
+  * @param  params: Command parameters
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -934,13 +934,13 @@ static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *para
 }
 
 /**
-* @brief  SCSI_CheckAddressRange
+  * @brief  SCSI_CheckAddressRange
-*         Check address range
+  *         Check address range
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @param  blk_offset: first block address
+  * @param  blk_offset: first block address
-* @param  blk_nbr: number of block to be processed
+  * @param  blk_nbr: number of block to be processed
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun,
                                      uint32_t blk_offset, uint32_t blk_nbr)
 {
@@ -956,11 +956,11 @@ static int8_t SCSI_CheckAddressRange(USBD_HandleTypeDef *pdev, uint8_t lun,
 }
 
 /**
-* @brief  SCSI_ProcessRead
+  * @brief  SCSI_ProcessRead
-*         Handle Read Process
+  *         Handle Read Process
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -993,11 +993,11 @@ static int8_t SCSI_ProcessRead(USBD_HandleTypeDef *pdev, uint8_t lun)
 }
 
 /**
-* @brief  SCSI_ProcessWrite
+  * @brief  SCSI_ProcessWrite
-*         Handle Write Process
+  *         Handle Write Process
-* @param  lun: Logical unit number
+  * @param  lun: Logical unit number
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun)
 {
   USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassData;
@@ -1036,13 +1036,13 @@ static int8_t SCSI_ProcessWrite(USBD_HandleTypeDef *pdev, uint8_t lun)
 
 
 /**
-* @brief  SCSI_UpdateBotData
+  * @brief  SCSI_UpdateBotData
-*         fill the requested Data to transmit buffer
+  *         fill the requested Data to transmit buffer
-* @param  hmsc handler
+  * @param  hmsc handler
-* @param  params: Data buffer
+  * @param  pBuff: Data buffer
-* @param  length: Data length
+  * @param  length: Data length
-* @retval status
+  * @retval status
-*/
+  */
 static int8_t SCSI_UpdateBotData(USBD_MSC_BOT_HandleTypeDef *hmsc,
                                  uint8_t *pBuff, uint16_t length)
 {

Class/MSC/Src/usbd_msc_storage_template.c

@@ -88,24 +88,24 @@ USBD_StorageTypeDef USBD_MSC_Template_fops =
 
 };
 /*******************************************************************************
-* Function Name  : Read_Memory
+  * Function Name  : Read_Memory
-* Description    : Handle the Read operation from the microSD card.
+  * Description    : Handle the Read operation from the microSD card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t STORAGE_Init(uint8_t lun)
 {
   return (0);
 }
 
 /*******************************************************************************
-* Function Name  : Read_Memory
+  * Function Name  : Read_Memory
-* Description    : Handle the Read operation from the STORAGE card.
+  * Description    : Handle the Read operation from the STORAGE card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
 {
   *block_num  = STORAGE_BLK_NBR;
@@ -114,60 +114,60 @@ int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *block_siz
 }
 
 /*******************************************************************************
-* Function Name  : Read_Memory
+  * Function Name  : Read_Memory
-* Description    : Handle the Read operation from the STORAGE card.
+  * Description    : Handle the Read operation from the STORAGE card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t  STORAGE_IsReady(uint8_t lun)
 {
   return (0);
 }
 
 /*******************************************************************************
-* Function Name  : Read_Memory
+  * Function Name  : Read_Memory
-* Description    : Handle the Read operation from the STORAGE card.
+  * Description    : Handle the Read operation from the STORAGE card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t  STORAGE_IsWriteProtected(uint8_t lun)
 {
   return  0;
 }
 
 /*******************************************************************************
-* Function Name  : Read_Memory
+  * Function Name  : Read_Memory
-* Description    : Handle the Read operation from the STORAGE card.
+  * Description    : Handle the Read operation from the STORAGE card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t STORAGE_Read(uint8_t lun, uint8_t *buf,
                     uint32_t blk_addr, uint16_t blk_len)
 {
   return 0;
 }
 /*******************************************************************************
-* Function Name  : Write_Memory
+  * Function Name  : Write_Memory
-* Description    : Handle the Write operation to the STORAGE card.
+  * Description    : Handle the Write operation to the STORAGE card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t STORAGE_Write(uint8_t lun, uint8_t *buf,
                      uint32_t blk_addr, uint16_t blk_len)
 {
   return (0);
 }
 /*******************************************************************************
-* Function Name  : Write_Memory
+  * Function Name  : Write_Memory
-* Description    : Handle the Write operation to the STORAGE card.
+  * Description    : Handle the Write operation to the STORAGE card.
-* Input          : None.
+  * Input          : None.
-* Output         : None.
+  * Output         : None.
-* Return         : None.
+  * Return         : None.
-*******************************************************************************/
+  *******************************************************************************/
 int8_t STORAGE_GetMaxLun(void)
 {
   return (STORAGE_LUN_NBR - 1);

Class/Template/Src/usbd_template.c

@@ -128,7 +128,7 @@ USBD_ClassTypeDef USBD_TEMPLATE_ClassDriver =
 /* USB TEMPLATE device Configuration Descriptor */
 __ALIGN_BEGIN static uint8_t USBD_TEMPLATE_CfgDesc[USB_TEMPLATE_CONFIG_DESC_SIZ] __ALIGN_END =
 {
-  0x09, /* bLength: Configuation Descriptor size */
+  0x09, /* bLength: Configuration Descriptor size */
   USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION, /* bDescriptorType: Configuration */
   USB_TEMPLATE_CONFIG_DESC_SIZ,
   /* wTotalLength: Bytes returned */
@@ -210,36 +210,35 @@ static uint8_t USBD_TEMPLATE_Setup(USBD_HandleTypeDef *pdev,
 
   switch (req->bmRequest & USB_REQ_TYPE_MASK)
   {
-  case USB_REQ_TYPE_CLASS :
+    case USB_REQ_TYPE_CLASS :
-    switch (req->bRequest)
+      switch (req->bRequest)
-    {
+      {
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
+      break;
+
+    case USB_REQ_TYPE_STANDARD:
+      switch (req->bRequest)
+      {
+        default:
+          USBD_CtlError(pdev, req);
+          ret = USBD_FAIL;
+          break;
+      }
+      break;
+
     default:
       USBD_CtlError(pdev, req);
       ret = USBD_FAIL;
       break;
-    }
-    break;
-
-  case USB_REQ_TYPE_STANDARD:
-    switch (req->bRequest)
-    {
-    default:
-      USBD_CtlError(pdev, req);
-      ret = USBD_FAIL;
-      break;
-    }
-    break;
-
-  default:
-    USBD_CtlError(pdev, req);
-    ret = USBD_FAIL;
-    break;
   }
 
   return (uint8_t)ret;
 }
 
-
 /**
   * @brief  USBD_TEMPLATE_GetCfgDesc
   *         return configuration descriptor
@@ -253,18 +252,17 @@ static uint8_t *USBD_TEMPLATE_GetCfgDesc(uint16_t *length)
 }
 
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 uint8_t *USBD_TEMPLATE_DeviceQualifierDescriptor(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_TEMPLATE_DeviceQualifierDesc);
   return USBD_TEMPLATE_DeviceQualifierDesc;
 }
 
-
 /**
   * @brief  USBD_TEMPLATE_DataIn
   *         handle data IN Stage
@@ -289,6 +287,7 @@ static uint8_t USBD_TEMPLATE_EP0_RxReady(USBD_HandleTypeDef *pdev)
 
   return (uint8_t)USBD_OK;
 }
+
 /**
   * @brief  USBD_TEMPLATE_EP0_TxReady
   *         handle EP0 TRx Ready event
@@ -300,6 +299,7 @@ static uint8_t USBD_TEMPLATE_EP0_TxReady(USBD_HandleTypeDef *pdev)
 
   return (uint8_t)USBD_OK;
 }
+
 /**
   * @brief  USBD_TEMPLATE_SOF
   *         handle SOF event
@@ -311,6 +311,7 @@ static uint8_t USBD_TEMPLATE_SOF(USBD_HandleTypeDef *pdev)
 
   return (uint8_t)USBD_OK;
 }
+
 /**
   * @brief  USBD_TEMPLATE_IsoINIncomplete
   *         handle data ISO IN Incomplete event
@@ -323,6 +324,7 @@ static uint8_t USBD_TEMPLATE_IsoINIncomplete(USBD_HandleTypeDef *pdev, uint8_t e
 
   return (uint8_t)USBD_OK;
 }
+
 /**
   * @brief  USBD_TEMPLATE_IsoOutIncomplete
   *         handle data ISO OUT Incomplete event
@@ -349,11 +351,11 @@ static uint8_t USBD_TEMPLATE_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum)
 }
 
 /**
-* @brief  DeviceQualifierDescriptor
+  * @brief  DeviceQualifierDescriptor
-*         return Device Qualifier descriptor
+  *         return Device Qualifier descriptor
-* @param  length : pointer data length
+  * @param  length : pointer data length
-* @retval pointer to descriptor buffer
+  * @retval pointer to descriptor buffer
-*/
+  */
 uint8_t *USBD_TEMPLATE_GetDeviceQualifierDesc(uint16_t *length)
 {
   *length = (uint16_t)sizeof(USBD_TEMPLATE_DeviceQualifierDesc);

Class/VIDEO/Inc/usbd_video.h

@@ -0,0 +1,457 @@
+/**
+  ******************************************************************************
+  * @file    usbd_video.h
+  * @author  MCD Application Team
+  * @brief   header file for the usbd_video.c file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                      www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_VIDEO_H
+#define __USBD_VIDEO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include  "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_DEVICE_LIBRARY
+  * @{
+  */
+
+/** @defgroup USBD_VIDEO
+  * @brief This file is the Header file for usbd_video.c
+  * @{
+  */
+
+
+/** @defgroup usbd_VIDEO_Exported_Defines
+  * @{
+  */
+
+/* USB Video device class specification version 1.10 */
+#ifdef UVC_1_0
+#define UVC_VERSION                                   0x0100U      /* UVC 1.0 */
+#else
+#define UVC_VERSION                                   0x0110U      /* UVC 1.1 */
+#endif
+
+/* bEndpointAddress in Endpoint Descriptor */
+#ifndef UVC_IN_EP
+#define UVC_IN_EP                                     0x81U
+#endif /* VIDEO_IN_EP */
+
+/* These defines shall be updated in the usbd_conf.h file */
+#ifndef UVC_WIDTH
+#define UVC_WIDTH                                     400U
+#endif /* UVC_WIDTH */
+
+#ifndef UVC_HEIGHT
+#define UVC_HEIGHT                                    240U
+#endif /* UVC_HEIGHT */
+
+#ifndef UVC_CAM_FPS_FS
+#define UVC_CAM_FPS_FS                                10U
+#endif /* UVC_CAM_FPS_FS */
+
+#ifndef UVC_CAM_FPS_HS
+#define UVC_CAM_FPS_HS                                5U
+#endif /* UVC_CAM_FPS_HS */
+
+#ifndef UVC_PACKET_SIZE
+#define UVC_PACKET_SIZE                               512U
+#endif /* UVC_PACKET_SIZE */
+
+#ifndef UVC_MAX_FRAME_SIZE
+#define UVC_MAX_FRAME_SIZE                            (UVC_WIDTH * UVC_HEIGHT * 16U / 2U)
+#endif /* UVC_MAX_FRAME_SIZE */
+
+#ifndef UVC_COLOR_PRIMARIE
+#define UVC_COLOR_PRIMARIE                            0x01U
+#endif /* UVC_COLOR_PRIMARIE */
+
+#ifndef UVC_TFR_CHARACTERISTICS
+#define UVC_TFR_CHARACTERISTICS                       0x01U
+#endif /* UVC_TFR_CHARACTERISTICS */
+
+#ifndef UVC_MATRIX_COEFFICIENTS
+#define UVC_MATRIX_COEFFICIENTS                       0x04U
+#endif /* UVC_MATRIX_COEFFICIENTS */
+
+#ifndef UVC_BITS_PER_PIXEL
+#define UVC_BITS_PER_PIXEL                            12U
+#endif /* UVC_BITS_PER_PIXEL */
+
+#define UVC_GUID_YUY2                                 0x32595559U
+#define UVC_GUID_NV12                                 0x3231564EU
+
+#ifndef UVC_UNCOMPRESSED_GUID
+#define UVC_UNCOMPRESSED_GUID                         UVC_GUID_NV12
+#endif /* UVC_UNCOMPRESSED_GUID */
+
+#define UVC_INTERVAL(n)                               (10000000U/(n))
+
+#define UVC_MIN_BIT_RATE(n)                           (UVC_WIDTH * UVC_HEIGHT * 16U * (n)) /* 16 bit */
+#define UVC_MAX_BIT_RATE(n)                           (UVC_WIDTH * UVC_HEIGHT * 16U * (n)) /* 16 bit */
+
+#define UVC_PACKETS_IN_FRAME(n)                       (UVC_MAX_FRAME_SIZE / (n))
+
+#ifndef UVC_ISO_FS_MPS
+#define UVC_ISO_FS_MPS                                256U
+#endif
+
+#ifndef UVC_ISO_HS_MPS
+#define UVC_ISO_HS_MPS                                512U
+#endif
+
+#ifndef UVC_HEADER_PACKET_CNT
+#define UVC_HEADER_PACKET_CNT                         0x01U
+#endif
+
+
+#define UVC_REQ_READ_MASK                             0x80U
+#define UVC_VC_IF_NUM                                 0x00U
+#define UVC_VS_IF_NUM                                 0x01U
+#define UVC_TOTAL_IF_NUM                              0x02U
+
+#ifdef USBD_UVC_FORMAT_UNCOMPRESSED
+#define UVC_CONFIG_DESC_SIZ                           (0x88U + 0x16U)
+#else
+#define UVC_CONFIG_DESC_SIZ                           0x88U
+#endif
+
+#define UVC_TOTAL_BUF_SIZE                            0x04U
+
+#define UVC_VC_EP_DESC_SIZE                           0x05U
+#define UVC_STREAMING_EP_DESC_SIZE                    0x07U
+#define UVC_EP_DESC_TYPE                              0x25U
+
+/* Video Interface Class Codes*/
+#define UVC_CC_VIDEO                                  0x0EU
+
+#define UVC_PLAY_STATUS_STOP                          0x00U
+#define UVC_PLAY_STATUS_READY                         0x01U
+#define UVC_PLAY_STATUS_STREAMING                     0x02U
+
+#ifndef WBVAL
+#define WBVAL(x) ((x) & 0xFFU),(((x) >> 8) & 0xFFU)
+#endif
+#ifndef DBVAL
+#define DBVAL(x) ((x)& 0xFFU),(((x) >> 8) & 0xFFU),(((x)>> 16) & 0xFFU),(((x) >> 24) & 0xFFU)
+#endif
+
+/* Video Interface Protocol Codes */
+#define PC_PROTOCOL_UNDEFINED                         0x00U
+
+#define VIDEO_VC_IF_HEADER_DESC_SIZE                  0x0DU
+#define VIDEO_IN_TERMINAL_DESC_SIZE                   0x08U
+#define VIDEO_OUT_TERMINAL_DESC_SIZE                  0x09U
+#define VIDEO_VS_IF_IN_HEADER_DESC_SIZE               0x0EU
+
+#define VS_FORMAT_UNCOMPRESSED_DESC_SIZE              0x1BU
+#define VS_FORMAT_MJPEG_DESC_SIZE                     0x0BU
+#define VS_FRAME_DESC_SIZE                            0x1EU
+#define VS_COLOR_MATCHING_DESC_SIZE                   0x06U
+
+#ifdef USBD_UVC_FORMAT_UNCOMPRESSED
+#define VS_FORMAT_DESC_SIZE                           VS_FORMAT_UNCOMPRESSED_DESC_SIZE
+#define VS_FORMAT_SUBTYPE                             VS_FORMAT_UNCOMPRESSED
+#define VS_FRAME_SUBTYPE                              VS_FRAME_UNCOMPRESSED
+
+#define VC_HEADER_SIZE (VIDEO_VS_IF_IN_HEADER_DESC_SIZE + \
+                        VS_FORMAT_UNCOMPRESSED_DESC_SIZE + \
+                        VS_FRAME_DESC_SIZE + \
+                        VS_COLOR_MATCHING_DESC_SIZE)
+#else
+#define VS_FORMAT_DESC_SIZE                           VS_FORMAT_MJPEG_DESC_SIZE
+#define VS_FORMAT_SUBTYPE                             VS_FORMAT_MJPEG
+#define VS_FRAME_SUBTYPE                              VS_FRAME_MJPEG
+
+#define VC_HEADER_SIZE (VIDEO_VS_IF_IN_HEADER_DESC_SIZE + \
+                        VS_FORMAT_DESC_SIZE + \
+                        VS_FRAME_DESC_SIZE)
+#endif
+
+/*
+ * Video Class specification release 1.1
+ * Appendix A. Video Device Class Codes defines
+ */
+
+/* Video Interface Subclass values */
+#define SC_UNDEFINED                                  0x00U
+#define SC_VIDEOCONTROL                               0x01U
+#define SC_VIDEOSTREAMING                             0x02U
+#define SC_VIDEO_INTERFACE_COLLECTION                 0x03U
+
+/* Video Class-Specific Descriptor Types */
+#define CS_UNDEFINED                                  0x20U
+#define CS_DEVICE                                     0x21U
+#define CS_CONFIGURATION                              0x22U
+#define CS_STRING                                     0x23U
+#define CS_INTERFACE                                  0x24U
+#define CS_ENDPOINT                                   0x25U
+
+/* Video Class-Specific VideoControl Interface Descriptor Subtypes */
+#define VC_DESCRIPTOR_UNDEFINED                       0x00U
+#define VC_HEADER                                     0x01U
+#define VC_INPUT_TERMINAL                             0x02U
+#define VC_OUTPUT_TERMINAL                            0x03U
+#define VC_SELECTOR_UNIT                              0x04U
+#define VC_PROCESSING_UNIT                            0x05U
+#define VC_EXTENSION_UNIT                             0x06U
+
+/* Video Class-Specific VideoStreaming Interface Descriptor Subtypes */
+#define VS_UNDEFINED                                  0x00U
+#define VS_INPUT_HEADER                               0x01U
+#define VS_OUTPUT_HEADER                              0x02U
+#define VS_STILL_IMAGE_FRAME                          0x03U
+#define VS_FORMAT_UNCOMPRESSED                        0x04U
+#define VS_FRAME_UNCOMPRESSED                         0x05U
+#define VS_FORMAT_MJPEG                               0x06U
+#define VS_FRAME_MJPEG                                0x07U
+#define VS_FORMAT_MPEG2TS                             0x0AU
+#define VS_FORMAT_DV                                  0x0CU
+#define VS_COLORFORMAT                                0x0DU
+#define VS_FORMAT_FRAME_BASED                         0x10U
+#define VS_FRAME_FRAME_BASED                          0x11U
+#define VS_FORMAT_STREAM_BASED                        0x12U
+
+/* Video Class-Specific Request values */
+#define UVC_RQ_UNDEFINED                               0x00U
+#define UVC_SET_CUR                                    0x01U
+#define UVC_GET_CUR                                    0x81U
+#define UVC_GET_MIN                                    0x82U
+#define UVC_GET_MAX                                    0x83U
+#define UVC_GET_RES                                    0x84U
+#define UVC_GET_LEN                                    0x85U
+#define UVC_GET_INFO                                   0x86U
+#define UVC_GET_DEF                                    0x87U
+
+/* VideoControl Interface Control Selectors */
+#define VC_CONTROL_UNDEFINED                           0x00U
+#define VC_VIDEO_POWER_MODE_CONTROL                    0x01U
+#define VC_REQUEST_ERROR_CODE_CONTROL                  0x02U
+
+/* Request Error Code Control */
+#define UVC_NO_ERROR_ERR                               0x00U
+#define UVC_NOT_READY_ERR                              0x01U
+#define UVC_WRONG_STATE_ERR                            0x02U
+#define UVC_POWER_ERR                                  0x03U
+#define UVC_OUT_OF_RANGE_ERR                           0x04U
+#define UVC_INVALID_UNIT_ERR                           0x05U
+#define UVC_INVALID_CONTROL_ERR                        0x06U
+#define UVC_INVALID_REQUEST_ERR                        0x07U
+#define UVC_UNKNOWN_ERR                                0xFFU
+
+/*Terminal Control Selectors*/
+#define TE_CONTROL_UNDEFINED                           0x00U
+
+/* Selector Unit Control Selectors */
+#define SU_CONTROL_UNDEFINED                           0x00U
+#define SU_INPUT_SELECT_CONTROL                        0x01U
+
+/* Camera Terminal Control Selectors */
+#define CT_CONTROL_UNDEFINED                           0x00U
+#define CT_SCANNING_MODE_CONTROL                       0x01U
+#define CT_AE_MODE_CONTROL                             0x02U
+#define CT_AE_PRIORITY_CONTROL                         0x03U
+#define CT_EXPOSURE_TIME_ABSOLUTE_CONTROL              0x04U
+#define CT_EXPOSURE_TIME_RELATIVE_CONTROL              0x05U
+#define CT_FOCUS_ABSOLUTE_CONTROL                      0x06U
+#define CT_FOCUS_RELATIVE_CONTROL                      0x07U
+#define CT_FOCUS_AUTO_CONTROL                          0x08U
+#define CT_IRIS_ABSOLUTE_CONTROL                       0x09U
+#define CT_IRIS_RELATIVE_CONTROL                       0x0AU
+#define CT_ZOOM_ABSOLUTE_CONTROL                       0x0BU
+#define CT_ZOOM_RELATIVE_CONTROL                       0x0CU
+#define CT_PANTILT_ABSOLUTE_CONTROL                    0x0DU
+#define CT_PANTILT_RELATIVE_CONTROL                    0x0EU
+#define CT_ROLL_ABSOLUTE_CONTROL                       0x0FU
+#define CT_ROLL_RELATIVE_CONTROL                       0x10U
+#define CT_PRIVACY_CONTROL                             0x11U
+
+/* Processing Unit Control Selectors */
+#define PU_CONTROL_UNDEFINED                           0x00U
+#define PU_BACKLIGHT_COMPENSATION_CONTROL              0x01U
+#define PU_BRIGHTNESS_CONTROL                          0x02U
+#define PU_CONTRAST_CONTROL                            0x03U
+#define PU_GAIN_CONTROL                                0x04U
+#define PU_POWER_LINE_FREQUENCY_CONTROL                0x05U
+#define PU_HUE_CONTROL                                 0x06U
+#define PU_SATURATION_CONTROL                          0x07U
+#define PU_SHARPNESS_CONTROL                           0x08U
+#define PU_GAMMA_CONTROL                               0x09U
+#define PU_WHITE_BALANCE_TEMPERATURE_CONTROL           0x0AU
+#define PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL      0x0BU
+#define PU_WHITE_BALANCE_COMPONENT_CONTROL             0x0CU
+#define PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL        0x0DU
+#define PU_DIGITAL_MULTIPLIER_CONTROL                  0x0EU
+#define PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL            0x0FU
+#define PU_HUE_AUTO_CONTROL                            0x10U
+#define PU_ANALOG_VIDEO_STANDARD_CONTROL               0x11U
+#define PU_ANALOG_LOCK_STATUS_CONTROL                  0x12U
+
+/*Extension Unit Control Selectors */
+#define XU_CONTROL_UNDEFINED                           0x00U
+
+/* VideoStreaming Interface Control Selectors */
+#define VS_CONTROL_UNDEFINED                           0x00U
+#define VS_PROBE_CONTROL                               0x100U
+#define VS_COMMIT_CONTROL                              0x200U
+#define VS_STILL_PROBE_CONTROL                         0x03U
+#define VS_STILL_COMMIT_CONTROL                        0x04U
+#define VS_STILL_IMAGE_TRIGGER_CONTROL                 0x05U
+#define VS_STREAM_ERROR_CODE_CONTROL                   0x06U
+#define VS_GENERATE_KEY_FRAME_CONTROL                  0x07U
+#define VS_UPDATE_FRAME_SEGMENT_CONTROL                0x08U
+#define VS_SYNC_DELAY_CONTROL                          0x09U
+
+
+/* Control Capabilities */
+#define UVC_SUPPORTS_GET                               0x01U
+#define UVC_SUPPORTS_SET                               0x02U
+#define UVC_STATE_DISABLED                             0x04U
+#define UVC_AUTOUPDATE_CONTROL                         0x08U
+#define UVC_ASYNCHRONOUS_CONTROL                       0x10U
+
+/* USB Terminal Types */
+#define TT_VENDOR_SPECIFIC                             0x0100U
+#define TT_STREAMING                                   0x0101U
+
+/* Input Terminal Types */
+#define ITT_VENDOR_SPECIFIC                            0x0200U
+#define ITT_CAMERA                                     0x0201U
+#define ITT_MEDIA_TRANSPORT_INPUT                      0x0202U
+
+/*Output Terminal Types */
+#define OTT_VENDOR_SPECIFIC                            0x0300U
+#define OTT_DISPLAY                                    0x0301U
+#define OTT_MEDIA_TRANSPORT_OUTPUT                     0x0302U
+
+/* External Terminal Types */
+#define EXTERNAL_VENDOR_SPECIFIC                       0x0400U
+#define COMPOSITE_CONNECTOR                            0x0401U
+#define SVIDEO_CONNECTOR                               0x0402U
+#define COMPONENT_CONNECTOR                            0x0403U
+
+
+/* VIDEO Commands enumeration */
+typedef enum
+{
+  VIDEO_CMD_START = 1U,
+  VIDEO_CMD_PLAY,
+  VIDEO_CMD_STOP,
+} VIDEO_CMD_TypeDef;
+
+typedef enum
+{
+  VIDEO_OFFSET_NONE = 0U,
+  VIDEO_OFFSET_HALF,
+  VIDEO_OFFSET_FULL,
+  VIDEO_OFFSET_UNKNOWN,
+} VIDEO_OffsetTypeDef;
+
+typedef  struct  _VIDEO_DescHeader
+{
+  uint8_t  bLength;
+  uint8_t  bDescriptorType;
+  uint8_t  bDescriptorSubType;
+} USBD_VIDEO_DescHeader_t;
+
+typedef struct
+{
+  uint8_t  bLength;
+  uint8_t  bDescriptorType;
+  uint8_t  bDescriptorSubType;
+  uint8_t  bFrameIndex;
+  uint8_t  bmCapabilities;
+  uint16_t wWidth;
+  uint16_t wHeight;
+  uint32_t dwMinBitRate;
+  uint32_t dwMaxBitRate;
+  uint32_t dwMaxVideoFrameBufSize;
+  uint32_t dwDefaultFrameInterval;
+  uint8_t  bFrameIntervalType;
+  uint32_t dwMinFrameInterval;
+  uint32_t dwMaxFrameInterval;
+  uint32_t dwFrameIntervalStep;
+} __PACKED USBD_VIDEO_VSFrameDescTypeDef;
+
+typedef struct
+{
+  uint8_t cmd;
+  uint8_t data[USB_MAX_EP0_SIZE];
+  uint8_t len;
+  uint8_t unit;
+} USBD_VIDEO_ControlTypeDef;
+
+typedef struct
+{
+  uint32_t                   interface;
+  uint32_t                   uvc_state;
+  uint8_t                    buffer[UVC_TOTAL_BUF_SIZE];
+  VIDEO_OffsetTypeDef        offset;
+  USBD_VIDEO_ControlTypeDef  control;
+} USBD_VIDEO_HandleTypeDef;
+
+typedef struct
+{
+  int8_t (* Init)(void);
+  int8_t (* DeInit)(void);
+  int8_t (* Control)(uint8_t, uint8_t *, uint16_t);
+  int8_t (* Data)(uint8_t **, uint16_t *, uint16_t *);
+  uint8_t  *pStrDesc;
+} USBD_VIDEO_ItfTypeDef;
+
+/* UVC uses only 26 first bytes */
+typedef struct
+{
+  uint16_t    bmHint;
+  uint8_t     bFormatIndex;
+  uint8_t     bFrameIndex;
+  uint32_t    dwFrameInterval;
+  uint16_t    wKeyFrameRate;
+  uint16_t    wPFrameRate;
+  uint16_t    wCompQuality;
+  uint16_t    wCompWindowSize;
+  uint16_t    wDelay;
+  uint32_t    dwMaxVideoFrameSize;
+  uint32_t    dwMaxPayloadTransferSize;
+  uint32_t    dwClockFrequency;
+  uint8_t     bmFramingInfo;
+  uint8_t     bPreferedVersion;
+  uint8_t     bMinVersion;
+  uint8_t     bMaxVersion;
+} __PACKED USBD_VideoControlTypeDef;
+
+extern USBD_ClassTypeDef    USBD_VIDEO;
+#define USBD_VIDEO_CLASS    &USBD_VIDEO
+/**
+  * @}
+  */
+
+/** @defgroup USB_CORE_Exported_Functions
+  * @{
+  */
+
+uint8_t USBD_VIDEO_RegisterInterface(USBD_HandleTypeDef *pdev, USBD_VIDEO_ItfTypeDef *fops);
+
+/**
+  * @}
+  */
+
+
+#endif /* _USBD_VIDEO_H_ */

Class/VIDEO/Inc/usbd_video_if_template.h

@@ -0,0 +1,142 @@
+/**
+  ******************************************************************************
+  * @file    usbd_video_if_template.h
+  * @author  MCD Application Team
+  * @brief   Template Header file for the video Interface application layer functions
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                      www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_VIDEO_IF_H__
+#define __USBD_VIDEO_IF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_video.h"
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+  * @brief For Usb device.
+  * @{
+  */
+
+/** @defgroup USBD_VIDEO_IF
+  * @brief Usb VIDEO interface device module.
+  * @{
+  */
+
+/** @defgroup USBD_VIDEO_IF_Exported_Defines
+  * @brief Defines.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_DEFINES */
+
+/* USER CODE END EXPORTED_DEFINES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Exported_Types
+  * @brief Types.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_TYPES */
+
+/* USER CODE END EXPORTED_TYPES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Exported_Macros
+  * @brief Aliases.
+  * @{
+  */
+
+/* USER CODE BEGIN EXPORTED_MACRO */
+
+/* USER CODE END EXPORTED_MACRO */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Exported_Variables
+  * @brief Public variables.
+  * @{
+  */
+
+/** VIDEO_IF Interface callback. */
+extern USBD_VIDEO_ItfTypeDef USBD_VIDEO_fops_FS;
+
+/* USER CODE BEGIN EXPORTED_VARIABLES */
+
+/* USER CODE END EXPORTED_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Exported_FunctionsPrototype
+  * @brief Public functions declaration.
+  * @{
+  */
+
+/**
+  * @brief  Manages the DMA full transfer complete event.
+  * @retval None
+  */
+void TransferComplete_CallBack_FS(void);
+
+/**
+  * @brief  Manages the DMA half transfer complete event.
+  * @retval None
+  */
+void HalfTransfer_CallBack_FS(void);
+
+/* USER CODE BEGIN EXPORTED_FUNCTIONS */
+
+/* USER CODE END EXPORTED_FUNCTIONS */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* USBD_VIDEO_IF_H_ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
+
+

Class/VIDEO/Src/usbd_video_if_template.c

@@ -0,0 +1,296 @@
+/**
+  ******************************************************************************
+  * @file    usbd_video_if_template.c
+  * @author  MCD Application Team
+  * @brief   Template file for Video Interface application layer functions
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                      www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_video_if.h"
+
+/* Include you image binary file here
+    Binary image template shall provide:
+     - tImagesList: table containing pointers to all images
+     - tImagesSizes: table containing sizes of each image respectively
+     - img_count: global image counter variable
+     - IMG_NBR: Total image number
+
+     To generate such file, it is possible to use tools converting video to MJPEG then to JPEG images.
+ */
+/* #include "img_bin.h" */
+
+/* USER CODE BEGIN INCLUDE */
+
+/* USER CODE END INCLUDE */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+  * @brief Usb device library.
+  * @{
+  */
+
+/** @addtogroup USBD_VIDEO_IF
+  * @{
+  */
+
+/** @defgroup USBD_VIDEO_IF_Private_TypesDefinitions
+  * @brief Private types.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_TYPES */
+
+/* USER CODE END PRIVATE_TYPES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Private_Defines
+  * @brief Private defines.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_DEFINES */
+
+/* USER CODE END PRIVATE_DEFINES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Private_Macros
+  * @brief Private macros.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_MACRO */
+
+/* USER CODE END PRIVATE_MACRO */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Private_Variables
+  * @brief Private variables.
+  * @{
+  */
+
+/* USER CODE BEGIN PRIVATE_VARIABLES */
+
+/* USER CODE END PRIVATE_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Exported_Variables
+  * @brief Public variables.
+  * @{
+  */
+
+
+
+/* USER CODE BEGIN EXPORTED_VARIABLES */
+
+/* USER CODE END EXPORTED_VARIABLES */
+
+/**
+  * @}
+  */
+
+/** @defgroup USBD_VIDEO_IF_Private_FunctionPrototypes
+  * @brief Private functions declaration.
+  * @{
+  */
+
+static int8_t VIDEO_Itf_Init(void);
+static int8_t VIDEO_Itf_DeInit(void);
+static int8_t VIDEO_Itf_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length);
+static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx);
+
+
+/* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */
+
+/* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */
+
+/**
+  * @}
+  */
+
+USBD_VIDEO_ItfTypeDef USBD_VIDEO_fops_FS =
+{
+  VIDEO_Itf_Init,
+  VIDEO_Itf_DeInit,
+  VIDEO_Itf_Control,
+  VIDEO_Itf_Data,
+};
+
+/* Private functions ---------------------------------------------------------*/
+/**
+  * @brief  Initializes the VIDEO media low layer over USB FS IP
+  * @param  VIDEOFreq: VIDEO frequency used to play the VIDEO stream.
+  * @param  Volume: Initial volume level (from 0 (Mute) to 100 (Max))
+  * @param  options: Reserved for future use
+  * @retval USBD_OK if all operations are OK else USBD_FAIL
+  */
+static int8_t VIDEO_Itf_Init(void)
+{
+  /*
+     Add your initialization code here
+  */
+
+  return (0);
+}
+
+/**
+  * @brief  TEMPLATE_DeInit
+  *         DeInitializes the UVC media low layer
+  * @param  None
+  * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
+  */
+static int8_t VIDEO_Itf_DeInit(void)
+{
+  /*
+     Add your deinitialization code here
+  */
+  return (0);
+}
+
+
+/**
+  * @brief  TEMPLATE_Control
+  *         Manage the UVC class requests
+  * @param  Cmd: Command code
+  * @param  Buf: Buffer containing command data (request parameters)
+  * @param  Len: Number of data to be sent (in bytes)
+  * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
+  */
+static int8_t VIDEO_Itf_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length)
+{
+
+  return (0);
+}
+
+/**
+  * @brief  TEMPLATE_Data
+  *         Manage the UVC data packets
+  * @param  pbuf: pointer to the buffer data to be filled
+  * @param  psize: pointer tot he current packet size to be filled
+  * @param  pcktidx: pointer to the current packet index in the current image
+  * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
+  */
+static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx)
+{
+  /*
+    Implementation of this function is mandatory to provide the video data to the USB video class
+    This function shall parse the MJPEG images and provide each time the buffer packet relative to
+    current packet index and its size.
+    If the packet is the first packet in the current MJPEG image, then packet size shall be zero and
+    the pbuf is ignored and pcktidx shall be zero.
+    Below is typical implementation of this function based on a binary image template.
+
+    Binary image template shall provide:
+     - tImagesList: table containing pointers to all images
+     - tImagesSizes: table containing sizes of each image respectively
+     - img_count: global image counter variable
+     - IMG_NBR: Total image number
+
+     To generate such file, it is possible to use tools converting video to MJPEG then to JPEG images.
+
+  */
+  const uint8_t *(*ImagePtr) = tImagesList;
+  uint32_t packet_count = (tImagesSizes[img_count]) / ((uint16_t)(UVC_PACKET_SIZE - (UVC_HEADER_PACKET_CNT * 2U)));
+  uint32_t packet_remainder = (tImagesSizes[img_count]) % ((uint16_t)(UVC_PACKET_SIZE - (UVC_HEADER_PACKET_CNT * 2U)));
+  static uint8_t packet_index = 0;
+
+  /* Check if end of current image has been reached */
+  if (packet_index < packet_count)
+  {
+    /* Set the current packet size */
+    *psize = (uint16_t)UVC_PACKET_SIZE;
+
+    /* Get the pointer to the next packet to be transmitted */
+    *pbuf = (uint8_t *)(*(ImagePtr + img_count) + packet_index * ((uint16_t)(UVC_PACKET_SIZE - (UVC_HEADER_PACKET_CNT * 2U))));
+  }
+  else if ((packet_index == packet_count))
+  {
+    if (packet_remainder != 0U)
+    {
+      /* Get the pointer to the next packet to be transmitted */
+      *pbuf = (uint8_t *)(*(ImagePtr + img_count) + packet_index * ((uint16_t)(UVC_PACKET_SIZE - (UVC_HEADER_PACKET_CNT * 2U))));
+
+      /* Set the current packet size */
+      *psize = packet_remainder + (UVC_HEADER_PACKET_CNT * 2U);
+    }
+    else
+    {
+      packet_index++;
+
+      /* New image to be started, send only the packet header */
+      *psize = 2;
+    }
+  }
+  else
+  {
+    /* New image to be started, send only the packet header */
+    *psize = 2;
+  }
+
+  /* Update the packet index */
+  *pcktidx = packet_index;
+
+  /* Increment the packet count and check if it reached the end of current image buffer */
+  if (packet_index++ >= (packet_count + 1))
+  {
+    /* Reset the packet count to zero */
+    packet_index = 0U;
+
+    /* Move to the next image in the images table */
+
+    img_count++;
+    HAL_Delay(USBD_VIDEO_IMAGE_LAPS);
+    /* Check if images count has been reached, then reset to zero (go back to first image in circular loop) */
+    if (img_count == IMG_NBR)
+    {
+      img_count = 0U;
+    }
+  }
+
+  return (0);
+}
+
+/* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */
+
+/* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Core/Inc/usbd_conf_template.h

@@ -44,50 +44,101 @@ extern "C" {
   * @{
   */
 
-#define USBD_MAX_NUM_INTERFACES                1U
+#define USBD_MAX_NUM_INTERFACES                     1U
-#define USBD_MAX_NUM_CONFIGURATION             1U
+#define USBD_MAX_NUM_CONFIGURATION                  1U
-#define USBD_MAX_STR_DESC_SIZ                  0x100U
+#define USBD_MAX_STR_DESC_SIZ                       0x100U
-#define USBD_SELF_POWERED                      1U
+#define USBD_SELF_POWERED                           1U
-#define USBD_DEBUG_LEVEL                       2U
+#define USBD_DEBUG_LEVEL                            2U
 
 /* ECM, RNDIS, DFU Class Config */
-#define USBD_SUPPORT_USER_STRING_DESC          1U
+#define USBD_SUPPORT_USER_STRING_DESC               1U
 
 /* BillBoard Class Config */
-#define USBD_CLASS_USER_STRING_DESC            1U
+#define USBD_CLASS_USER_STRING_DESC                 1U
-#define USBD_CLASS_BOS_ENABLED                 1U
+#define USBD_CLASS_BOS_ENABLED                      1U
-#define USB_BB_MAX_NUM_ALT_MODE                0x2U
+#define USB_BB_MAX_NUM_ALT_MODE                     0x2U
 
 /* MSC Class Config */
-#define MSC_MEDIA_PACKET                       8192U
+#define MSC_MEDIA_PACKET                            8192U
 
 /* CDC Class Config */
-#define USBD_CDC_INTERVAL                      2000U
+#define USBD_CDC_INTERVAL                           2000U
 
 /* DFU Class Config */
-#define USBD_DFU_MAX_ITF_NUM                   1U
+#define USBD_DFU_MAX_ITF_NUM                        1U
-#define USBD_DFU_XFERS_IZE                     1024U
+#define USBD_DFU_XFERS_IZE                          1024U
 
 /* AUDIO Class Config */
-#define USBD_AUDIO_FREQ                        22100U
+#define USBD_AUDIO_FREQ                             22100U
+
+/* CustomHID Class Config */
+#define CUSTOM_HID_HS_BINTERVAL                     0x05U
+#define CUSTOM_HID_FS_BINTERVAL                     0x05U
+#define USBD_CUSTOMHID_OUTREPORT_BUF_SIZE           0x02U
+#define USBD_CUSTOM_HID_REPORT_DESC_SIZE            163U
+
+/* VIDEO Class Config */
+#define UVC_1_1 /* #define UVC_1_0 */
+
+/* To be used only with YUY2 and NV12 Video format, shouldn't be defined for MJPEG format */
+#define USBD_UVC_FORMAT_UNCOMPRESSED
+
+#ifdef USBD_UVC_FORMAT_UNCOMPRESSED
+#define UVC_BITS_PER_PIXEL                          12U
+#define UVC_UNCOMPRESSED_GUID                       UVC_GUID_NV12 /* UVC_GUID_YUY2 */
+
+/* refer to Table 3-18 Color Matching Descriptor video class v1.1 */
+#define UVC_COLOR_PRIMARIE                          0x01U
+#define UVC_TFR_CHARACTERISTICS                     0x01U
+#define UVC_MATRIX_COEFFICIENTS                     0x04U
+#endif
+
+/* Video Stream frame width and height */
+#define UVC_WIDTH                                   176U
+#define UVC_HEIGHT                                  144U
+
+/* bEndpointAddress in Endpoint Descriptor */
+#define UVC_IN_EP                                   0x81U
+
+#define UVC_CAM_FPS_FS                              10U
+#define UVC_CAM_FPS_HS                              5U
+
+#define UVC_ISO_FS_MPS                              512U
+#define UVC_ISO_HS_MPS                              512U
+
+#define UVC_PACKET_SIZE                             UVC_ISO_FS_MPS
+/* To be used with Device Only IP supporting double buffer mode */
+/* #define UVC_HEADER_PACKET_CNT                     0x02U */
+/* #define UVC_PACKET_SIZE                           (UVC_ISO_FS_MPS * UVC_HEADER_PACKET_CNT) */
+
+#define UVC_MAX_FRAME_SIZE                          (UVC_WIDTH * UVC_HEIGHT * 16U / 8U)
 
 /** @defgroup USBD_Exported_Macros
   * @{
   */
 
-/* Memory management macros */
+/* Memory management macros make sure to use static memory allocation */
-#define USBD_malloc               malloc
+/** Alias for memory allocation. */
-#define USBD_free                 free
+#define USBD_malloc         (void *)USBD_static_malloc
-#define USBD_memset               memset
+
-#define USBD_memcpy               memcpy
+/** Alias for memory release. */
-#define USBD_Delay                HAL_Delay
+#define USBD_free           USBD_static_free
+
+/** Alias for memory set. */
+#define USBD_memset         memset
+
+/** Alias for memory copy. */
+#define USBD_memcpy         memcpy
+
+/** Alias for delay. */
+#define USBD_Delay          HAL_Delay
 
 /* DEBUG macros */
 #if (USBD_DEBUG_LEVEL > 0U)
 #define  USBD_UsrLog(...)   do { \
-                            printf(__VA_ARGS__); \
+                                 printf(__VA_ARGS__); \
-                            printf("\n"); \
+                                 printf("\n"); \
-} while (0)
+                               } while (0)
 #else
 #define USBD_UsrLog(...) do {} while (0)
 #endif
@@ -95,20 +146,20 @@ extern "C" {
 #if (USBD_DEBUG_LEVEL > 1U)
 
 #define  USBD_ErrLog(...) do { \
-                            printf("ERROR: ") ; \
+                               printf("ERROR: ") ; \
-                            printf(__VA_ARGS__); \
+                               printf(__VA_ARGS__); \
-                            printf("\n"); \
+                               printf("\n"); \
-} while (0)
+                             } while (0)
 #else
 #define USBD_ErrLog(...) do {} while (0)
 #endif
 
 #if (USBD_DEBUG_LEVEL > 2U)
 #define  USBD_DbgLog(...)   do { \
-                            printf("DEBUG : ") ; \
+                                 printf("DEBUG : ") ; \
-                            printf(__VA_ARGS__); \
+                                 printf(__VA_ARGS__); \
-                            printf("\n"); \
+                                 printf("\n"); \
-} while (0)
+                               } while (0)
 #else
 #define USBD_DbgLog(...) do {} while (0)
 #endif
@@ -149,6 +200,9 @@ extern "C" {
 /** @defgroup USBD_CONF_Exported_FunctionsPrototype
   * @{
   */
+/* Exported functions -------------------------------------------------------*/
+void *USBD_static_malloc(uint32_t size);
+void USBD_static_free(void *p);
 /**
   * @}
   */

Core/Inc/usbd_core.h

@@ -149,8 +149,8 @@ void  USBD_LL_Delay(uint32_t Delay);
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 

Core/Inc/usbd_ctlreq.h

@@ -96,8 +96,8 @@ void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len);
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Core/Inc/usbd_def.h

@@ -61,6 +61,10 @@ extern "C" {
 #define USBD_SELF_POWERED                               1U
 #endif /*USBD_SELF_POWERED */
 
+#ifndef USBD_MAX_POWER
+#define USBD_MAX_POWER                                  0x32U /* 100 mA */
+#endif /* USBD_MAX_POWER */
+
 #ifndef USBD_SUPPORT_USER_STRING_DESC
 #define USBD_SUPPORT_USER_STRING_DESC                   0U
 #endif /* USBD_SUPPORT_USER_STRING_DESC */
@@ -114,6 +118,7 @@ extern "C" {
 #define  USB_DESC_TYPE_ENDPOINT                         0x05U
 #define  USB_DESC_TYPE_DEVICE_QUALIFIER                 0x06U
 #define  USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION        0x07U
+#define  USB_DESC_TYPE_IAD                              0x0BU
 #define  USB_DESC_TYPE_BOS                              0x0FU
 
 #define USB_CONFIG_REMOTE_WAKEUP                        0x02U
@@ -125,6 +130,11 @@ extern "C" {
 
 #define USB_DEVICE_CAPABITY_TYPE                        0x10U
 
+#define USB_CONF_DESC_SIZE                              0x09U
+#define USB_IF_DESC_SIZE                                0x09U
+#define USB_EP_DESC_SIZE                                0x07U
+#define USB_IAD_DESC_SIZE                               0x08U
+
 #define USB_HS_MAX_PACKET_SIZE                          512U
 #define USB_FS_MAX_PACKET_SIZE                          64U
 #define USB_MAX_EP0_SIZE                                64U
@@ -150,7 +160,6 @@ extern "C" {
 #define USBD_EP_TYPE_BULK                               0x02U
 #define USBD_EP_TYPE_INTR                               0x03U
 
-
 /**
   * @}
   */
@@ -173,8 +182,7 @@ typedef struct
 {
   uint8_t   bLength;
   uint8_t   bDescriptorType;
-  uint8_t   wDescriptorLengthLow;
+  uint16_t  wTotalLength;
-  uint8_t   wDescriptorLengthHigh;
   uint8_t   bNumInterfaces;
   uint8_t   bConfigurationValue;
   uint8_t   iConfiguration;
@@ -190,6 +198,15 @@ typedef struct
   uint8_t   bNumDeviceCaps;
 } USBD_BosDescTypedef;
 
+typedef struct
+{
+  uint8_t   bLength;
+  uint8_t   bDescriptorType;
+  uint8_t   bEndpointAddress;
+  uint8_t   bmAttributes;
+  uint16_t  wMaxPacketSize;
+  uint8_t   bInterval;
+} USBD_EpDescTypedef;
 
 struct _USBD_HandleTypeDef;
 
@@ -274,10 +291,10 @@ typedef struct _USBD_HandleTypeDef
   USBD_SpeedTypeDef       dev_speed;
   USBD_EndpointTypeDef    ep_in[16];
   USBD_EndpointTypeDef    ep_out[16];
-  uint32_t                ep0_state;
+  __IO uint32_t           ep0_state;
   uint32_t                ep0_data_len;
-  uint8_t                 dev_state;
+  __IO uint8_t            dev_state;
-  uint8_t                 dev_old_state;
+  __IO uint8_t            dev_old_state;
   uint8_t                 dev_address;
   uint8_t                 dev_connection_status;
   uint8_t                 dev_test_mode;
@@ -317,11 +334,21 @@ __STATIC_INLINE uint16_t SWAPBYTE(uint8_t *addr)
   return _SwapVal;
 }
 
+#ifndef LOBYTE
 #define LOBYTE(x)  ((uint8_t)((x) & 0x00FFU))
-#define HIBYTE(x)  ((uint8_t)(((x) & 0xFF00U) >> 8U))
+#endif
-#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
-#define MAX(a, b)  (((a) > (b)) ? (a) : (b))
 
+#ifndef HIBYTE
+#define HIBYTE(x)  ((uint8_t)(((x) & 0xFF00U) >> 8U))
+#endif
+
+#ifndef MIN
+#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef MAX
+#define MAX(a, b)  (((a) > (b)) ? (a) : (b))
+#endif
 
 #if  defined ( __GNUC__ )
 #ifndef __weak
@@ -388,6 +415,6 @@ __STATIC_INLINE uint16_t SWAPBYTE(uint8_t *addr)
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Core/Inc/usbd_ioreq.h

@@ -109,6 +109,6 @@ uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr);
   */
 
 /**
-* @}
+  * @}
-*/
+  */
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Core/Src/usbd_conf_template.c

@@ -21,6 +21,7 @@
 
 /* Includes ------------------------------------------------------------------*/
 #include "usbd_core.h"
+#include "usbd_hid.h" /* Include class header file */
 /* Private typedef -----------------------------------------------------------*/
 /* Private define ------------------------------------------------------------*/
 /* Private macro -------------------------------------------------------------*/
@@ -223,7 +224,7 @@ USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev,
   * @brief  Returns the last transferred packet size.
   * @param  pdev: Device handle
   * @param  ep_addr: Endpoint Number
-  * @retval Recived Data Size
+  * @retval Received Data Size
   */
 uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 {
@@ -233,6 +234,27 @@ uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
   return 0U;
 }
 
+/**
+  * @brief  Static single allocation.
+  * @param  size: Size of allocated memory
+  * @retval None
+  */
+void *USBD_static_malloc(uint32_t size)
+{
+  static uint32_t mem[(sizeof(USBD_HID_HandleTypeDef) / 4) + 1]; /* On 32-bit boundary */
+  return mem;
+}
+
+/**
+  * @brief  Dummy memory free
+  * @param  p: Pointer to allocated  memory address
+  * @retval None
+  */
+void USBD_static_free(void *p)
+{
+
+}
+
 /**
   * @brief  Delays routine for the USB Device Library.
   * @param  Delay: Delay in ms

Core/Src/usbd_core.c

@@ -21,71 +21,71 @@
 #include "usbd_core.h"
 
 /** @addtogroup STM32_USBD_DEVICE_LIBRARY
-* @{
+  * @{
-*/
+  */
 
 
 /** @defgroup USBD_CORE
-* @brief usbd core module
+  * @brief usbd core module
-* @{
+  * @{
-*/
+  */
 
 /** @defgroup USBD_CORE_Private_TypesDefinitions
-* @{
+  * @{
-*/
+  */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /** @defgroup USBD_CORE_Private_Defines
-* @{
+  * @{
-*/
+  */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /** @defgroup USBD_CORE_Private_Macros
-* @{
+  * @{
-*/
+  */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /** @defgroup USBD_CORE_Private_FunctionPrototypes
-* @{
+  * @{
-*/
+  */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 /** @defgroup USBD_CORE_Private_Variables
-* @{
+  * @{
-*/
+  */
 
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /** @defgroup USBD_CORE_Private_Functions
-* @{
+  * @{
-*/
+  */
 
 /**
-* @brief  USBD_Init
+  * @brief  USBD_Init
-*         Initializes the device stack and load the class driver
+  *         Initializes the device stack and load the class driver
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  pdesc: Descriptor structure address
+  * @param  pdesc: Descriptor structure address
-* @param  id: Low level core index
+  * @param  id: Low level core index
-* @retval None
+  * @retval None
-*/
+  */
 USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev,
                              USBD_DescriptorsTypeDef *pdesc, uint8_t id)
 {
@@ -122,11 +122,11 @@ USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev,
 }
 
 /**
-* @brief  USBD_DeInit
+  * @brief  USBD_DeInit
-*         Re-Initialize th device library
+  *         Re-Initialize the device library
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status: status
+  * @retval status: status
-*/
+  */
 USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev)
 {
   USBD_StatusTypeDef ret;
@@ -226,11 +226,11 @@ USBD_StatusTypeDef USBD_Stop(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_RunTestMode
+  * @brief  USBD_RunTestMode
-*         Launch test mode process
+  *         Launch test mode process
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_RunTestMode(USBD_HandleTypeDef  *pdev)
 {
   /* Prevent unused argument compilation warning */
@@ -240,12 +240,12 @@ USBD_StatusTypeDef USBD_RunTestMode(USBD_HandleTypeDef  *pdev)
 }
 
 /**
-* @brief  USBD_SetClassConfig
+  * @brief  USBD_SetClassConfig
-*        Configure device and start the interface
+  *        Configure device and start the interface
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  cfgidx: configuration index
+  * @param  cfgidx: configuration index
-* @retval status
+  * @retval status
-*/
+  */
 
 USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
 {
@@ -261,12 +261,12 @@ USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
 }
 
 /**
-* @brief  USBD_ClrClassConfig
+  * @brief  USBD_ClrClassConfig
-*         Clear current configuration
+  *         Clear current configuration
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  cfgidx: configuration index
+  * @param  cfgidx: configuration index
-* @retval status: USBD_StatusTypeDef
+  * @retval status: USBD_StatusTypeDef
-*/
+  */
 USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
 {
   /* Clear configuration and De-initialize the Class process */
@@ -280,11 +280,11 @@ USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
 
 
 /**
-* @brief  USBD_SetupStage
+  * @brief  USBD_LL_SetupStage
-*         Handle the setup stage
+  *         Handle the setup stage
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup)
 {
   USBD_StatusTypeDef ret;
@@ -318,12 +318,13 @@ USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup)
 }
 
 /**
-* @brief  USBD_DataOutStage
+  * @brief  USBD_LL_DataOutStage
-*         Handle data OUT stage
+  *         Handle data OUT stage
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval status
+  * @param  pdata: data pointer
-*/
+  * @retval status
+  */
 USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev,
                                         uint8_t epnum, uint8_t *pdata)
 {
@@ -344,11 +345,14 @@ USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev,
       }
       else
       {
-        if ((pdev->pClass->EP0_RxReady != NULL) &&
+        if (pdev->dev_state == USBD_STATE_CONFIGURED)
-            (pdev->dev_state == USBD_STATE_CONFIGURED))
         {
-          pdev->pClass->EP0_RxReady(pdev);
+          if (pdev->pClass->EP0_RxReady != NULL)
+          {
+            pdev->pClass->EP0_RxReady(pdev);
+          }
         }
+
         (void)USBD_CtlSendStatus(pdev);
       }
     }
@@ -358,40 +362,40 @@ USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev,
       if (pdev->ep0_state == USBD_EP0_STATUS_OUT)
       {
         /*
-         * STATUS PHASE completed, update ep0_state to idle
+          * STATUS PHASE completed, update ep0_state to idle
-         */
+          */
         pdev->ep0_state = USBD_EP0_IDLE;
         (void)USBD_LL_StallEP(pdev, 0U);
       }
 #endif
     }
   }
-  else if ((pdev->pClass->DataOut != NULL) &&
-           (pdev->dev_state == USBD_STATE_CONFIGURED))
-  {
-    ret = (USBD_StatusTypeDef)pdev->pClass->DataOut(pdev, epnum);
-
-    if (ret != USBD_OK)
-    {
-      return ret;
-    }
-  }
   else
   {
-    /* should never be in this condition */
+    if (pdev->dev_state == USBD_STATE_CONFIGURED)
-    return USBD_FAIL;
+    {
+      if (pdev->pClass->DataOut != NULL)
+      {
+        ret = (USBD_StatusTypeDef)pdev->pClass->DataOut(pdev, epnum);
+
+        if (ret != USBD_OK)
+        {
+          return ret;
+        }
+      }
+    }
   }
 
   return USBD_OK;
 }
 
 /**
-* @brief  USBD_DataInStage
+  * @brief  USBD_LL_DataInStage
-*         Handle data in stage
+  *         Handle data in stage
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  epnum: endpoint index
+  * @param  epnum: endpoint index
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev,
                                        uint8_t epnum, uint8_t *pdata)
 {
@@ -411,7 +415,7 @@ USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev,
         (void)USBD_CtlContinueSendData(pdev, pdata, pep->rem_length);
 
         /* Prepare endpoint for premature end of transfer */
-       (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U);
+        (void)USBD_LL_PrepareReceive(pdev, 0U, NULL, 0U);
       }
       else
       {
@@ -428,10 +432,12 @@ USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev,
         }
         else
         {
-          if ((pdev->pClass->EP0_TxSent != NULL) &&
+          if (pdev->dev_state == USBD_STATE_CONFIGURED)
-              (pdev->dev_state == USBD_STATE_CONFIGURED))
           {
-            pdev->pClass->EP0_TxSent(pdev);
+            if (pdev->pClass->EP0_TxSent != NULL)
+            {
+              pdev->pClass->EP0_TxSent(pdev);
+            }
           }
           (void)USBD_LL_StallEP(pdev, 0x80U);
           (void)USBD_CtlReceiveStatus(pdev);
@@ -455,31 +461,31 @@ USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev,
       pdev->dev_test_mode = 0U;
     }
   }
-  else if ((pdev->pClass->DataIn != NULL) &&
-           (pdev->dev_state == USBD_STATE_CONFIGURED))
-  {
-    ret = (USBD_StatusTypeDef)pdev->pClass->DataIn(pdev, epnum);
-
-    if (ret != USBD_OK)
-    {
-      return ret;
-    }
-  }
   else
   {
-    /* should never be in this condition */
+    if (pdev->dev_state == USBD_STATE_CONFIGURED)
-    return USBD_FAIL;
+    {
+      if (pdev->pClass->DataIn != NULL)
+      {
+        ret = (USBD_StatusTypeDef)pdev->pClass->DataIn(pdev, epnum);
+
+        if (ret != USBD_OK)
+        {
+          return ret;
+        }
+      }
+    }
   }
 
   return USBD_OK;
 }
 
 /**
-* @brief  USBD_LL_Reset
+  * @brief  USBD_LL_Reset
-*         Handle Reset event
+  *         Handle Reset event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 
 USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev)
 {
@@ -489,12 +495,17 @@ USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev)
   pdev->dev_config = 0U;
   pdev->dev_remote_wakeup = 0U;
 
-  if (pdev->pClassData != NULL)
+  if (pdev->pClass == NULL)
   {
-    pdev->pClass->DeInit(pdev, (uint8_t)pdev->dev_config);
+    return USBD_FAIL;
   }
 
-    /* Open EP0 OUT */
+  if (pdev->pClass->DeInit != NULL)
+  {
+    (void)pdev->pClass->DeInit(pdev, (uint8_t)pdev->dev_config);
+  }
+
+  /* Open EP0 OUT */
   (void)USBD_LL_OpenEP(pdev, 0x00U, USBD_EP_TYPE_CTRL, USB_MAX_EP0_SIZE);
   pdev->ep_out[0x00U & 0xFU].is_used = 1U;
 
@@ -510,11 +521,11 @@ USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_LL_Reset
+  * @brief  USBD_LL_SetSpeed
-*         Handle Reset event
+  *         Handle Reset event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev,
                                     USBD_SpeedTypeDef speed)
 {
@@ -524,11 +535,11 @@ USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef *pdev,
 }
 
 /**
-* @brief  USBD_Suspend
+  * @brief  USBD_LL_Suspend
-*         Handle Suspend event
+  *         Handle Suspend event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 
 USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev)
 {
@@ -539,11 +550,11 @@ USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_Resume
+  * @brief  USBD_LL_Resume
-*         Handle Resume event
+  *         Handle Resume event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 
 USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev)
 {
@@ -556,19 +567,24 @@ USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_SOF
+  * @brief  USBD_LL_SOF
-*         Handle SOF event
+  *         Handle SOF event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 
 USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev)
 {
+  if (pdev->pClass == NULL)
+  {
+    return USBD_FAIL;
+  }
+
   if (pdev->dev_state == USBD_STATE_CONFIGURED)
   {
     if (pdev->pClass->SOF != NULL)
     {
-      pdev->pClass->SOF(pdev);
+      (void)pdev->pClass->SOF(pdev);
     }
   }
 
@@ -576,43 +592,61 @@ USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_IsoINIncomplete
+  * @brief  USBD_LL_IsoINIncomplete
-*         Handle iso in incomplete event
+  *         Handle iso in incomplete event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef *pdev,
                                            uint8_t epnum)
 {
-  /* Prevent unused arguments compilation warning */
+  if (pdev->pClass == NULL)
-  UNUSED(pdev);
+  {
-  UNUSED(epnum);
+    return USBD_FAIL;
+  }
+
+  if (pdev->dev_state == USBD_STATE_CONFIGURED)
+  {
+    if (pdev->pClass->IsoINIncomplete != NULL)
+    {
+      (void)pdev->pClass->IsoINIncomplete(pdev, epnum);
+    }
+  }
 
   return USBD_OK;
 }
 
 /**
-* @brief  USBD_IsoOUTIncomplete
+  * @brief  USBD_LL_IsoOUTIncomplete
-*         Handle iso out incomplete event
+  *         Handle iso out incomplete event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef *pdev,
                                             uint8_t epnum)
 {
-  /* Prevent unused arguments compilation warning */
+  if (pdev->pClass == NULL)
-  UNUSED(pdev);
+  {
-  UNUSED(epnum);
+    return USBD_FAIL;
+  }
+
+  if (pdev->dev_state == USBD_STATE_CONFIGURED)
+  {
+    if (pdev->pClass->IsoOUTIncomplete != NULL)
+    {
+      (void)pdev->pClass->IsoOUTIncomplete(pdev, epnum);
+    }
+  }
 
   return USBD_OK;
 }
 
 /**
-* @brief  USBD_DevConnected
+  * @brief  USBD_LL_DevConnected
-*         Handle device connection event
+  *         Handle device connection event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev)
 {
   /* Prevent unused argument compilation warning */
@@ -622,11 +656,11 @@ USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_DevDisconnected
+  * @brief  USBD_LL_DevDisconnected
-*         Handle device disconnection event
+  *         Handle device disconnection event
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev)
 {
   /* Free Class Resources */
@@ -634,24 +668,24 @@ USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef *pdev)
 
   if (pdev->pClass != NULL)
   {
-    pdev->pClass->DeInit(pdev, (uint8_t)pdev->dev_config);
+    (void)pdev->pClass->DeInit(pdev, (uint8_t)pdev->dev_config);
   }
 
   return USBD_OK;
 }
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /**
-* @}
+  * @}
-*/
+  */
 
 
 /**
-* @}
+  * @}
-*/
+  */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 

Core/Src/usbd_desc_template.c

@@ -52,7 +52,7 @@ uint8_t *USBD_Class_UserStrDescriptor(USBD_SpeedTypeDef speed, uint8_t idx, uint
 #endif /* USB_CLASS_USER_STRING_DESC */
 
 #if ((USBD_LPM_ENABLED == 1) || (USBD_CLASS_BOS_ENABLED == 1))
-uint8_t *USBD_USR_BOSDescriptor(USBD_SpeedTypeDef speed , uint16_t *length);
+uint8_t *USBD_USR_BOSDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
 #endif
 
 /* Private variables ---------------------------------------------------------*/
@@ -109,7 +109,7 @@ __ALIGN_BEGIN uint8_t USBD_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
 /* USB Device LPM BOS descriptor */
 #if (USBD_LPM_ENABLED == 1)
 #if defined ( __ICCARM__ ) /*!< IAR Compiler */
-  #pragma data_alignment=4
+#pragma data_alignment=4
 #endif
 __ALIGN_BEGIN  uint8_t USBD_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END =
 {
@@ -132,87 +132,87 @@ __ALIGN_BEGIN  uint8_t USBD_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END =
 /* USB Device Billboard BOS descriptor Template */
 #if (USBD_CLASS_BOS_ENABLED == 1)
 #if defined ( __ICCARM__ ) /*!< IAR Compiler */
-  #pragma data_alignment=4
+#pragma data_alignment=4
 #endif
 __ALIGN_BEGIN  uint8_t USBD_BOSDesc[USB_SIZ_BOS_DESC] __ALIGN_END =
 {
-0x05,                                /* bLength */
+  0x05,                                /* bLength */
-USB_DESC_TYPE_BOS,                   /* Device Descriptor Type */
+  USB_DESC_TYPE_BOS,                   /* Device Descriptor Type */
-USB_SIZ_BOS_DESC,                    /* Total length of BOS descriptor and all of its sub descs */
+  USB_SIZ_BOS_DESC,                    /* Total length of BOS descriptor and all of its sub descs */
-0x00,
+  0x00,
-0x04,                                /* The number of separate device capability descriptors in the BOS */
+  0x04,                                /* The number of separate device capability descriptors in the BOS */
 
-    /* ----------- Device Capability Descriptor: CONTAINER_ID ---------- */
+  /* ----------- Device Capability Descriptor: CONTAINER_ID ---------- */
-0x14,                                /* bLength */
+  0x14,                                /* bLength */
-0x10,                                /* bDescriptorType: DEVICE CAPABILITY Type */
+  0x10,                                /* bDescriptorType: DEVICE CAPABILITY Type */
-0x04,                                /* bDevCapabilityType: CONTAINER_ID */
+  0x04,                                /* bDevCapabilityType: CONTAINER_ID */
-0x00,                                /* bReserved */
+  0x00,                                /* bReserved */
-0xa7, 0xd6, 0x1b, 0xfa,              /* ContainerID: This is a Unique 128-bit number GUID */
+  0xa7, 0xd6, 0x1b, 0xfa,              /* ContainerID: This is a Unique 128-bit number GUID */
-0x91, 0xa6, 0xa8, 0x4e,
+  0x91, 0xa6, 0xa8, 0x4e,
-0xa8, 0x21, 0x9f, 0x2b,
+  0xa8, 0x21, 0x9f, 0x2b,
-0xaf, 0xf7, 0x94, 0xd4,
+  0xaf, 0xf7, 0x94, 0xd4,
 
-    /* ----------- Device Capability Descriptor: BillBoard ---------- */
+  /* ----------- Device Capability Descriptor: BillBoard ---------- */
-0x34,                                /* bLength */
+  0x34,                                /* bLength */
-0x10,                                /* bDescriptorType: DEVICE CAPABILITY Type */
+  0x10,                                /* bDescriptorType: DEVICE CAPABILITY Type */
-0x0D,                                /* bDevCapabilityType: BILLBOARD_CAPABILITY */
+  0x0D,                                /* bDevCapabilityType: BILLBOARD_CAPABILITY */
-USBD_BB_URL_STRING_INDEX,            /* iAddtionalInfoURL: Index of string descriptor providing a URL where the user can go to get more
+  USBD_BB_URL_STRING_INDEX,            /* iAddtionalInfoURL: Index of string descriptor providing a URL where the user can go to get more
                                         detailed information about the product and the various Alternate Modes it supports */
 
-0x02,                                /* bNumberOfAlternateModes: Number of Alternate modes supported. The
+  0x02,                                /* bNumberOfAlternateModes: Number of Alternate modes supported. The
                                         maximum value that this field can be set to is MAX_NUM_ALT_MODE. */
 
-0x00,                                /* bPreferredAlternateMode: Index of the preferred Alternate Mode. System
+  0x00,                                /* bPreferredAlternateMode: Index of the preferred Alternate Mode. System
                                         software may use this information to provide the user with a better user experience. */
 
-0x00, 0x00,                          /* VCONN Power needed by the adapter for full functionality 000b = 1W */
+  0x00, 0x00,                          /* VCONN Power needed by the adapter for full functionality 000b = 1W */
 
-0x01,0x00,0x00,0x00,                 /* bmConfigured. 01b: Alternate Mode configuration not attempted or exited */
+  0x01, 0x00, 0x00, 0x00,              /* bmConfigured. 01b: Alternate Mode configuration not attempted or exited */
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x00,0x00,0x00,0x00,
+  0x00, 0x00, 0x00, 0x00,
-0x21, 0x01,                          /* bcdVersion = 0x0121 */
+  0x21, 0x01,                          /* bcdVersion = 0x0121 */
-0x00,                                /* bAdditionalFailureInfo */
+  0x00,                                /* bAdditionalFailureInfo */
-0x00,                                /* bReserved */
+  0x00,                                /* bReserved */
-LOBYTE(USBD_VID),
+  LOBYTE(USBD_VID),
-HIBYTE(USBD_VID),                    /* wSVID[0]: Standard or Vendor ID. This shall match one of the SVIDs
+  HIBYTE(USBD_VID),                    /* wSVID[0]: Standard or Vendor ID. This shall match one of the SVIDs
                                         returned in response to a USB PD Discover SVIDs command */
 
-0x00,                                /* bAlternateMode[0] Index of the Alternate Mode within the SVID as
+  0x00,                                /* bAlternateMode[0] Index of the Alternate Mode within the SVID as
                                         returned in response to a Discover Modes command. Example:
                                         0 <20> first Mode entry
                                         1 <20> second mode entry */
 
-USBD_BB_ALTMODE0_STRING_INDEX,           /* iAlternateModeString[0]: Index of string descriptor describing protocol.
+  USBD_BB_ALTMODE0_STRING_INDEX,           /* iAlternateModeString[0]: Index of string descriptor describing protocol.
                                         It is optional to support this string. */
-LOBYTE(USBD_VID),
+  LOBYTE(USBD_VID),
-HIBYTE(USBD_VID),                    /* wSVID[1]: Standard or Vendor ID. This shall match one of the SVIDs
+  HIBYTE(USBD_VID),                    /* wSVID[1]: Standard or Vendor ID. This shall match one of the SVIDs
                                         returned in response to a USB PD Discover SVIDs command */
 
-0x01,                                /* bAlternateMode[1] Index of the Alternate Mode within the SVID as
+  0x01,                                /* bAlternateMode[1] Index of the Alternate Mode within the SVID as
                                         returned in response to a Discover Modes command. Example:
                                         0 <20> first Mode entry
                                         1 <20> second Mode entry */
 
-USBD_BB_ALTMODE1_STRING_INDEX,           /* iAlternateModeString[1]: Index of string descriptor describing protocol.
+  USBD_BB_ALTMODE1_STRING_INDEX,           /* iAlternateModeString[1]: Index of string descriptor describing protocol.
                                         It is optional to support this string. */
- /* Alternate Mode Desc */
+  /* Alternate Mode Desc */
-    /* ----------- Device Capability Descriptor: BillBoard Alternate Mode Desc ---------- */
+  /* ----------- Device Capability Descriptor: BillBoard Alternate Mode Desc ---------- */
-0x08,                                /* bLength */
+  0x08,                                /* bLength */
-0x10,                                /* bDescriptorType: Device Descriptor Type */
+  0x10,                                /* bDescriptorType: Device Descriptor Type */
-0x0F,                                /* bDevCapabilityType: BILLBOARD ALTERNATE MODE CAPABILITY */
+  0x0F,                                /* bDevCapabilityType: BILLBOARD ALTERNATE MODE CAPABILITY */
-0x00,                                /* bIndex: Index of Alternate Mode described in the Billboard Capability Desc */
+  0x00,                                /* bIndex: Index of Alternate Mode described in the Billboard Capability Desc */
-0x10, 0x00, 0x00, 0x00,              /* dwAlternateModeVdo: contents of the Mode VDO for the alternate mode identified by bIndex */
+  0x10, 0x00, 0x00, 0x00,              /* dwAlternateModeVdo: contents of the Mode VDO for the alternate mode identified by bIndex */
 
-0x08,                                /* bLength */
+  0x08,                                /* bLength */
-0x10,                                /* bDescriptorType: Device Descriptor Type */
+  0x10,                                /* bDescriptorType: Device Descriptor Type */
-0x0F,                                /* bDevCapabilityType: BILLBOARD ALTERNATE MODE CAPABILITY */
+  0x0F,                                /* bDevCapabilityType: BILLBOARD ALTERNATE MODE CAPABILITY */
-0x01,                                /* bIndex: Index of Alternate Mode described in the Billboard Capability Desc */
+  0x01,                                /* bIndex: Index of Alternate Mode described in the Billboard Capability Desc */
-0x20, 0x00, 0x00, 0x00,              /* dwAlternateModeVdo: contents of the Mode VDO for the alternate mode identified by bIndex */
+  0x20, 0x00, 0x00, 0x00,              /* dwAlternateModeVdo: contents of the Mode VDO for the alternate mode identified by bIndex */
 };
 #endif
 
@@ -395,10 +395,10 @@ static void Get_SerialNum(void)
   * @param  length : pointer to data length variable
   * @retval pointer to descriptor buffer
   */
-uint8_t *USBD_USR_BOSDescriptor(USBD_SpeedTypeDef speed , uint16_t *length)
+uint8_t *USBD_USR_BOSDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
 {
   *length = sizeof(USBD_BOSDesc);
-  return (uint8_t*)USBD_BOSDesc;
+  return (uint8_t *)USBD_BOSDesc;
 }
 #endif
 

Core/Src/usbd_ioreq.c

@@ -77,20 +77,25 @@
   */
 
 /**
-* @brief  USBD_CtlSendData
+  * @brief  USBD_CtlSendData
-*         send data on the ctl pipe
+  *         send data on the ctl pipe
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  buff: pointer to data buffer
+  * @param  buff: pointer to data buffer
-* @param  len: length of data to be sent
+  * @param  len: length of data to be sent
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev,
                                     uint8_t *pbuf, uint32_t len)
 {
   /* Set EP0 State */
   pdev->ep0_state = USBD_EP0_DATA_IN;
   pdev->ep_in[0].total_length = len;
+
+#ifdef USBD_AVOID_PACKET_SPLIT_MPS
+  pdev->ep_in[0].rem_length = 0U;
+#else
   pdev->ep_in[0].rem_length = len;
+#endif
 
   /* Start the transfer */
   (void)USBD_LL_Transmit(pdev, 0x00U, pbuf, len);
@@ -99,13 +104,13 @@ USBD_StatusTypeDef USBD_CtlSendData(USBD_HandleTypeDef *pdev,
 }
 
 /**
-* @brief  USBD_CtlContinueSendData
+  * @brief  USBD_CtlContinueSendData
-*         continue sending data on the ctl pipe
+  *         continue sending data on the ctl pipe
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  buff: pointer to data buffer
+  * @param  buff: pointer to data buffer
-* @param  len: length of data to be sent
+  * @param  len: length of data to be sent
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev,
                                             uint8_t *pbuf, uint32_t len)
 {
@@ -116,20 +121,25 @@ USBD_StatusTypeDef USBD_CtlContinueSendData(USBD_HandleTypeDef *pdev,
 }
 
 /**
-* @brief  USBD_CtlPrepareRx
+  * @brief  USBD_CtlPrepareRx
-*         receive data on the ctl pipe
+  *         receive data on the ctl pipe
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  buff: pointer to data buffer
+  * @param  buff: pointer to data buffer
-* @param  len: length of data to be received
+  * @param  len: length of data to be received
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev,
                                      uint8_t *pbuf, uint32_t len)
 {
   /* Set EP0 State */
   pdev->ep0_state = USBD_EP0_DATA_OUT;
   pdev->ep_out[0].total_length = len;
+
+#ifdef USBD_AVOID_PACKET_SPLIT_MPS
+  pdev->ep_out[0].rem_length = 0U;
+#else
   pdev->ep_out[0].rem_length = len;
+#endif
 
   /* Start the transfer */
   (void)USBD_LL_PrepareReceive(pdev, 0U, pbuf, len);
@@ -138,13 +148,13 @@ USBD_StatusTypeDef USBD_CtlPrepareRx(USBD_HandleTypeDef *pdev,
 }
 
 /**
-* @brief  USBD_CtlContinueRx
+  * @brief  USBD_CtlContinueRx
-*         continue receive data on the ctl pipe
+  *         continue receive data on the ctl pipe
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  buff: pointer to data buffer
+  * @param  buff: pointer to data buffer
-* @param  len: length of data to be received
+  * @param  len: length of data to be received
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev,
                                       uint8_t *pbuf, uint32_t len)
 {
@@ -154,11 +164,11 @@ USBD_StatusTypeDef USBD_CtlContinueRx(USBD_HandleTypeDef *pdev,
 }
 
 /**
-* @brief  USBD_CtlSendStatus
+  * @brief  USBD_CtlSendStatus
-*         send zero lzngth packet on the ctl pipe
+  *         send zero lzngth packet on the ctl pipe
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev)
 {
   /* Set EP0 State */
@@ -171,11 +181,11 @@ USBD_StatusTypeDef USBD_CtlSendStatus(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_CtlReceiveStatus
+  * @brief  USBD_CtlReceiveStatus
-*         receive zero lzngth packet on the ctl pipe
+  *         receive zero lzngth packet on the ctl pipe
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @retval status
+  * @retval status
-*/
+  */
 USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev)
 {
   /* Set EP0 State */
@@ -188,12 +198,12 @@ USBD_StatusTypeDef USBD_CtlReceiveStatus(USBD_HandleTypeDef *pdev)
 }
 
 /**
-* @brief  USBD_GetRxCount
+  * @brief  USBD_GetRxCount
-*         returns the received data length
+  *         returns the received data length
-* @param  pdev: device instance
+  * @param  pdev: device instance
-* @param  ep_addr: endpoint address
+  * @param  ep_addr: endpoint address
-* @retval Rx Data blength
+  * @retval Rx Data blength
-*/
+  */
 uint32_t USBD_GetRxCount(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
 {
   return USBD_LL_GetRxDataSize(pdev, ep_addr);

Release_Notes.html

@@ -892,7 +892,8 @@ ul
 </xml><![endif]--><!--[if gte mso 9]><xml>
  <o:shapelayout v:ext="edit">
   <o:idmap v:ext="edit" data="1"/>
- </o:shapelayout></xml><![endif]--><meta content="MCD Application Team" name="author"></head><body style="" link="blue" vlink="blue">
+ </o:shapelayout></xml><![endif]--><meta content="MCD Application Team" name="author"></head>
+<body style="" link="blue" vlink="blue">
 
 <div class="WordSection1">
 
@@ -922,8 +923,36 @@ ul
   <table class="MsoNormalTable" style="width: 675pt;" border="0" cellpadding="0" width="900">
    <tbody><tr>
     <td style="padding: 0in;" valign="top">
-    <h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><a name="History"></a><span style="font-size: 12pt; color: white;">Update History</span></h2>
+    <h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;"><a name="History"></a><span style="font-size: 12pt; color: white;">Update History</span></h2>
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.6.1 / 05-June-2020</span></h3>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.7.0 / 12-August-2020</span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
+Changes</span></u></b></p><ul style="margin-top: 0cm;" type="square"><li>Integration of&nbsp; new USB device Class driver:</li><ul><li>USB video Class driver based on USB-IF video class definition version 1.1</li></ul></ul>
+
+
+
+
+
+
+
+
+
+
+
+
+            
+            
+            
+            
+            
+            
+            
+            
+            
+            
+            
+            <ul style="margin-top: 0cm;" type="square"><li>USB Core:</li><ul><li>Enhance NULL pointer check in Core APIs</li><li>Allow supporting both USER and USER Class string desc</li><li>Add support of USB controller which handles packet-size splitting by hardware</li><li>Avoid compilation warning due macro redefinition</li><li>change
+added to USBD_HandleTypeDef structure: dev_state, old_dev_state and
+ep0_state declaration become volatile to disable compiler optimization</li><li>Word spelling correction and file indentation improved</li><li>usbd_conf.h/c Template file updated to suggest using by default a static memory allocation for Class handler</li></ul></ul><ul style="margin-top: 0cm;" type="square"><li>USB All Classes</li><ul><li>Word spelling correction and file indentation improved</li><li>Allow updating device config descriptor Max power from user code usbd_conf.h using USBD_MAX_POWER define</li><li>Fix device config descriptor bmAttributes value which depends on user code define USBD_SELF_POWERED</li></ul></ul><ul style="margin-top: 0cm;" type="square"><li>USB CDC Class:</li><ul><li>Class specific request, add protection to limit the maximum data length to be sent by the CDC device</li></ul></ul><ul style="margin-top: 0cm;" type="square"><li>USB CustomHID Class:</li><ul><li>Allow changing CustomHID data EP size from user code </li></ul></ul>
+            <br><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.6.1 / 05-June-2020</span></h3>
 
 
             
@@ -972,7 +1001,7 @@ compatibility with device library version below v2.6.0<br>
             <ul style="margin-top: 0cm;" type="square">
 <li>Fix minor misra-c 2012 violations</li>
             </ul>
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.6.0 / 27-December-2019</span></h3>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.6.0 / 27-December-2019</span></h3>
 <p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
 Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; color: black;"><o:p></o:p></span></u></p>
 
@@ -996,7 +1025,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
             
             
             
-            <ul style="margin-top: 0cm;" type="square"><li>Integration of three new USB device Class drivers:</li><ul><li>USB CDC ECM Class driver</li><li>USB CDC RNDIS Microsoft Class driver</li><li>USB Billboard Class driver</li></ul><li>Fix mondatory misra-c 2012 violations</li><li>update user core and class template files</li><li>USB Core:</li><ul><li>Fix unexpected EP0 stall during enumeration phase&nbsp;</li><li>Improve APIs error&nbsp;management and prevent accessing NULL pointers</li></ul><li>USB MSC Class:</li><ul><li>Fix USBCV specific class tests</li><li>Fix multiple error with SCSI commands handling</li><li>Protect medium access when host ask for medium ejection</li></ul><li>USB CDC Class:</li><ul><li>Add new function to inform user that current IN transfer is completed</li><li>update transmit and receive APIs to transfer up to 64KB</li></ul></ul><ul style="margin-top: 0cm;" type="square"><li>USB AUDIO Class:</li><ul><li>Fix audio sync start buffer size</li><li>update user callback periodicTC args by adding pointer to user buffer and size</li></ul><li>USB CustomHID Class:</li><ul><li>Rework the OUT transfer complete and prevent automatically re-enabling the OUT EP&nbsp;</li><li>Add new user API to restart the OUT transfer: USBD_CUSTOM_HID_ReceivePacket()</li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.3 / 30-April-2019</span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
+            <ul style="margin-top: 0cm;" type="square"><li>Integration of three new USB device Class drivers:</li><ul><li>USB CDC ECM Class driver</li><li>USB CDC RNDIS Microsoft Class driver</li><li>USB Billboard Class driver</li></ul><li>Fix mandatory misra-c 2012 violations</li><li>update user core and class template files</li><li>USB Core:</li><ul><li>Fix unexpected EP0 stall during enumeration phase&nbsp;</li><li>Improve APIs error&nbsp;management and prevent accessing NULL pointers</li></ul><li>USB MSC Class:</li><ul><li>Fix USBCV specific class tests</li><li>Fix multiple error with SCSI commands handling</li><li>Protect medium access when host ask for medium ejection</li></ul><li>USB CDC Class:</li><ul><li>Add new function to inform user that current IN transfer is completed</li><li>update transmit and receive APIs to transfer up to 64KB</li></ul></ul><ul style="margin-top: 0cm;" type="square"><li>USB AUDIO Class:</li><ul><li>Fix audio sync start buffer size</li><li>update user callback periodicTC args by adding pointer to user buffer and size</li></ul><li>USB CustomHID Class:</li><ul><li>Rework the OUT transfer complete and prevent automatically re-enabling the OUT EP&nbsp;</li><li>Add new user API to restart the OUT transfer: USBD_CUSTOM_HID_ReceivePacket()</li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.3 / 30-April-2019</span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
 Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; color: black;"><o:p></o:p></span></u></p>
 
 
@@ -1019,7 +1048,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
             
             
             
-            <ul style="margin-top: 0cm;" type="square"><li>Fix misra-c 2012 high severity violations</li><li>Core driver:</li><ul><li>protect shared macros __ALIGN_BEGIN, __ALIGN_END with C directive #ifndef</li><li>update Core driver and DFU Class driver to use&nbsp;USBD_SUPPORT_USER_STRING_DESC insead of &nbsp;USBD_SUPPORT_USER_STRING</li><li>&nbsp;prevent accessing to NULL pointer if the get descriptor functions are not defined</li><li>Update on USBD_LL_Resume(),&nbsp; restore the device state only if the current state is USBD_STATE_SUSPENDED </li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.2 / 27-Mars-2019</span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
+            <ul style="margin-top: 0cm;" type="square"><li>Fix misra-c 2012 high severity violations</li><li>Core driver:</li><ul><li>protect shared macros __ALIGN_BEGIN, __ALIGN_END with C directive #ifndef</li><li>update Core driver and DFU Class driver to use&nbsp;USBD_SUPPORT_USER_STRING_DESC instead of &nbsp;USBD_SUPPORT_USER_STRING</li><li>&nbsp;prevent accessing to NULL pointer if the get descriptor functions are not defined</li><li>Update on USBD_LL_Resume(),&nbsp; restore the device state only if the current state is USBD_STATE_SUSPENDED </li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.2 / 27-Mars-2019</span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
 Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; color: black;"><o:p></o:p></span></u></p>
 
 
@@ -1043,7 +1072,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
             
             
             <ul style="margin-top: 0cm;" type="square"><li><span style="font-family: Verdana; font-size: 10pt;">DFU Class:</span></li><ul><li><span style="font-family: Verdana; font-size: 10pt;"></span><span style="font-size: 10pt; font-family: &quot;Verdana&quot;,sans-serif;" lang="EN-US"></span><span style="font-family: Verdana; font-size: 10pt;"></span>fix compilation warning due to&nbsp;<span style="font-size: 11pt; font-family: &quot;Calibri&quot;,sans-serif;" lang="EN-US">unreachable
-</span> instruction code introduced with CMSIS V5.4.0 NVIC_SystemReset() prototype change</li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.1 / 03-August-2018<br>
+</span> instruction code introduced with CMSIS V5.4.0 NVIC_SystemReset() prototype change</li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.1 / 03-August-2018<br>
 </span></h3>
 
 
@@ -1085,7 +1114,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
             
             
             
-            <ul style="margin-top: 0cm;" type="square"><li><span style="font-size: 10pt; font-family: Verdana;">Update license section by adding path to get copy of ST Ultimate Liberty license</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Core: Fix unexpected stall during status OUT phase</span></li><li><span style="font-family: Verdana; font-size: 10pt;">DFU Class:</span></li><ul><li><span style="font-family: Verdana; font-size: 10pt;">rework hdfu struct to prevent&nbsp;</span><span style="font-size: 10pt; font-family: &quot;Verdana&quot;,sans-serif;" lang="EN-US">unaligned </span><span style="font-family: Verdana; font-size: 10pt;"> addresses</span></li></ul><li>MSC Class:</li><ul><li>fix lba address overflow during large file transfers &gt; 4Go</li></ul><li>Template Class:</li><ul><li>add missing Switch case Break on USBD_Template_Setup API</li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.0 / 15-December-2017<br>
+            <ul style="margin-top: 0cm;" type="square"><li><span style="font-size: 10pt; font-family: Verdana;">Update license section by adding path to get copy of ST Ultimate Liberty license</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Core: Fix unexpected stall during status OUT phase</span></li><li><span style="font-family: Verdana; font-size: 10pt;">DFU Class:</span></li><ul><li><span style="font-family: Verdana; font-size: 10pt;">rework hdfu struct to prevent&nbsp;</span><span style="font-size: 10pt; font-family: &quot;Verdana&quot;,sans-serif;" lang="EN-US">unaligned </span><span style="font-family: Verdana; font-size: 10pt;"> addresses</span></li></ul><li>MSC Class:</li><ul><li>fix lba address overflow during large file transfers &gt; 4Go</li></ul><li>Template Class:</li><ul><li>add missing Switch case Break on USBD_Template_Setup API</li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.5.0 / 15-December-2017<br>
 </span></h3>
 
 
@@ -1127,7 +1156,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
             
             
             
-            <ul style="margin-top: 0cm;" type="square"><li><span style="font-size: 10pt; font-family: Verdana;">Update license section</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Update</span><span style="font-size: 10pt; font-family: Verdana;">&nbsp;some functions to be&nbsp;</span><span style="font-size: 10pt; font-family: Verdana;">MISRAC 2004</span><span style="font-size: 10pt; font-family: Verdana;"> compliant</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Add HS and OtherSpeed configuration descriptor for HID and&nbsp;CustomHID classes</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Correct error handling in all class setup function</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Add usbd_desc_template.c/ usbd_desc_template.h templates files</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Add support of class and vendor request<br></span></li><li><span style="font-family: Verdana; font-size: 10pt;">CDC Class:&nbsp;</span><span style="font-family: Verdana; font-size: 10pt;">fix zero-length packet issue in bulk IN transfer</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Fix compilation warning with unused arguments for some functions</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Improve USB Core enumeration state machine<br></span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.4.2 / 11-December-2015<br>
+            <ul style="margin-top: 0cm;" type="square"><li><span style="font-size: 10pt; font-family: Verdana;">Update license section</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Update</span><span style="font-size: 10pt; font-family: Verdana;">&nbsp;some functions to be&nbsp;</span><span style="font-size: 10pt; font-family: Verdana;">MISRAC 2004</span><span style="font-size: 10pt; font-family: Verdana;"> compliant</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Add HS and OtherSpeed configuration descriptor for HID and&nbsp;CustomHID classes</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Correct error handling in all class setup function</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Add usbd_desc_template.c/ usbd_desc_template.h templates files</span></li><li><span style="font-size: 10pt; font-family: Verdana;">Add support of class and vendor request<br></span></li><li><span style="font-family: Verdana; font-size: 10pt;">CDC Class:&nbsp;</span><span style="font-family: Verdana; font-size: 10pt;">fix zero-length packet issue in bulk IN transfer</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Fix compilation warning with unused arguments for some functions</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Improve USB Core enumeration state machine<br></span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.4.2 / 11-December-2015<br>
 </span></h3>
 
 
@@ -1174,7 +1203,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
             </ul>
             <br>
 
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.4.1 / 19-June-2015<br>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.4.1 / 19-June-2015<br>
 </span></h3>
 
 
@@ -1233,7 +1262,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
 
 
             
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.4.0 / 28-February-2015<br>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.4.0 / 28-February-2015<br>
 </span></h3>
 
 
@@ -1283,7 +1312,7 @@ USBD_CDC_Setup() function to allow correct user implementation of
 CDC_SET_CONTROL_LINE_STATE and similar no-data setup requests.<br></span></li></ul></ul>
             </ul>
 
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.3.0 / 04-November-2014<br>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.3.0 / 04-November-2014<br>
 </span></h3>
 
 
@@ -1326,7 +1355,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
               </ul>
 <li><span style="font-size: 10pt; font-family: Verdana;">Miscellaneous source code comments update</span></li>
             </ul>
-<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.2.0 / 13-June-2014</span></h3>
+<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.2.0 / 13-June-2014</span></h3>
 
 
 
@@ -1372,7 +1401,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
               </ul>
             </ul>
             <div style="margin-left: 80px;"><span style="font-size: 10pt; font-family: Verdana;">ex. for the HID, the <span style="font-style: italic;">USBD_HID_CLASS</span> macro is defined this way </span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">#define USBD_HID_CLASS&nbsp; &amp;USBD_HID</span></span><br>&nbsp;  <span style="font-size: 10pt; font-family: Verdana;"></span><span style="font-size: 10pt; font-family: Verdana;"></span><span style="font-size: 10pt; font-family: Verdana;">and the application code can use the previous definition: <span style="font-style: italic;">&amp;USBD_HID</span> ex. <span style="font-style: italic;">USBD_RegisterClass(&amp;USBD_Device, &amp;USBD_HID)</span> or the new <span style="font-style: italic;">USBD_HID_CLASS</span> ex. <span style="font-style: italic;">USBD_RegisterClass(&amp;USBD_Device, USBD_HID_CLASS)</span></span></div>
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.1.0 / 22-April-2014</span></h3>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.1.0 / 22-April-2014</span></h3>
 
 
 
@@ -1410,7 +1439,7 @@ Changes</span></u></b><u><span style="font-size: 10pt; font-family: Verdana; col
 
             </ul>
 
-            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.0 / 18-February-2014</span></h3>
+            <h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.0 / 18-February-2014</span></h3>
 
 
 
@@ -1435,14 +1464,14 @@ modified vs. V1.1.0, and thus the 2 versions are not compatible.<br>
             </ul>
 
             
-<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 200px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.1.0 / 19-March-2012<o:p></o:p></span></h3>
+<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 200px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.1.0 / 19-March-2012<o:p></o:p></span></h3>
             <p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
 Changes<o:p></o:p></span></u></b></p>
 
-            <ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Official support of </span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;">STM32F4xx</span> devices</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">All source files: license disclaimer text update and add link to the License file on ST Internet.<br></span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Handle test mode in the set feature request</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Handle dynamically the USB SELF POWERED feature</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Handle correctly the USBD_CtlError process to take into account error during Control OUT stage</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Miscellaneous bug fix</span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 171px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.0 / 22-July-2011<o:p></o:p></span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
+            <ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Official support of </span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;">STM32F4xx</span> devices</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">All source files: license disclaimer text update and add link to the License file on ST Internet.<br></span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Handle test mode in the set feature request</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Handle dynamically the USB SELF POWERED feature</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Handle correctly the USBD_CtlError process to take into account error during Control OUT stage</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Miscellaneous bug fix</span></li></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; margin-right: 500pt; width: 171px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.0 / 22-July-2011<o:p></o:p></span></h3><p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
 Changes<o:p></o:p></span></u></b></p>
 <ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">First official version for <span style="font-weight: bold; font-style: italic;">STM32F105/7xx</span> and <span style="font-weight: bold; font-style: italic;">STM32F2xx</span> devices</span></li></ul><span style="font-size: 10pt; font-family: Verdana;"></span><br><span style="font-size: 10pt; font-family: &quot;Verdana&quot;,&quot;sans-serif&quot;;"></span>
-    <h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><a name="License"></a><span style="font-size: 12pt; color: white;">License<o:p></o:p></span></h2><p>This
+    <h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;"><a name="License"></a><span style="font-size: 12pt; color: white;">License<o:p></o:p></span></h2><p>This
 software component is licensed by ST under Ultimate Liberty license
 SLA0044,&nbsp;the "License"; You may not use this component except in
 compliance with the License. You may obtain a copy of the License at:</p><p style="text-align: center;"><a href="http://www.st.com/SLA0044" target="_blank">http://www.st.com/SLA0044</a></p><p class="MsoNormal" style="text-align: justify;"><span style="font-size: 10pt; font-family: &quot;Verdana&quot;,sans-serif; color: black;"></span><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,serif;"><o:p></o:p></span></p>