stm/stm32-mw-usb-device
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Release v2.9.0

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slimih
2021-09-09 10:10:00 +01:00
parent 5af065de85
commit 06808a92fe
80 changed files with 10318 additions and 2098 deletions
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36
Class/VIDEO/Src/usbd_video_if_template.c
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@@ -6,19 +6,18 @@
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
* All rights reserved.</center></h2>
* Copyright (c) 2020 STMicroelectronics.
* All rights reserved.
*
* 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
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "usbd_video_if.h"
#include "usbd_video_if_template.h"
/* Include you image binary file here
Binary image template shall provide:
@@ -41,7 +40,7 @@
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
uint8_t img_count;
/* USER CODE END PV */
/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
@@ -189,6 +188,9 @@ static int8_t VIDEO_Itf_DeInit(void)
*/
static int8_t VIDEO_Itf_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length)
{
UNUSED(cmd);
UNUSED(pbuf);
UNUSED(length);
return (0);
}
@@ -221,9 +223,9 @@ static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx)
*/
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;
uint32_t packet_count = (tImagesSizes[img_count]) / ((UVC_PACKET_SIZE - (UVC_HEADER_PACKET_CNT * 2U)));
uint32_t packet_remainder = (tImagesSizes[img_count]) % ((UVC_PACKET_SIZE - (UVC_HEADER_PACKET_CNT * 2U)));
static uint8_t packet_index = 0U;
/* Check if end of current image has been reached */
if (packet_index < packet_count)
@@ -232,17 +234,17 @@ static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx)
*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))));
*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))));
*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);
*psize = (uint16_t)(packet_remainder + (UVC_HEADER_PACKET_CNT * 2U));
}
else
{
@@ -262,7 +264,7 @@ static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx)
*pcktidx = packet_index;
/* Increment the packet count and check if it reached the end of current image buffer */
if (packet_index++ >= (packet_count + 1))
if (packet_index++ >= (packet_count + 1U))
{
/* Reset the packet count to zero */
packet_index = 0U;
@@ -270,7 +272,7 @@ static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx)
/* Move to the next image in the images table */
img_count++;
HAL_Delay(USBD_VIDEO_IMAGE_LAPS);
USBD_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)
{
@@ -292,5 +294,3 @@ static int8_t VIDEO_Itf_Data(uint8_t **pbuf, uint16_t *psize, uint16_t *pcktidx)
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/