Files
stm32-mw-usb-device/Class/CustomHID/Src/usbd_customhid_if_template.c
2021-09-16 17:30:01 +01:00

98 lines
3.1 KiB
C

/**
******************************************************************************
* @file usbd_customhid_if_template.c
* @author MCD Application Team
* @brief USB Device Custom HID interface file.
* This template should be copied to the user folder, renamed and customized
* following user needs.
******************************************************************************
* @attention
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* 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.
*
******************************************************************************
*/
/* BSPDependencies
- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
- "stm32xxxxx_{eval}{discovery}_io.c"
EndBSPDependencies */
/* Includes ------------------------------------------------------------------*/
#include "usbd_customhid_if_template.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static int8_t TEMPLATE_CUSTOM_HID_Init(void);
static int8_t TEMPLATE_CUSTOM_HID_DeInit(void);
static int8_t TEMPLATE_CUSTOM_HID_OutEvent(uint8_t event_idx, uint8_t state);
/* Private variables ---------------------------------------------------------*/
extern USBD_HandleTypeDef USBD_Device;
__ALIGN_BEGIN static uint8_t TEMPLATE_CUSTOM_HID_ReportDesc[USBD_CUSTOM_HID_REPORT_DESC_SIZE] __ALIGN_END = {0};
USBD_CUSTOM_HID_ItfTypeDef USBD_CustomHID_template_fops =
{
TEMPLATE_CUSTOM_HID_ReportDesc,
TEMPLATE_CUSTOM_HID_Init,
TEMPLATE_CUSTOM_HID_DeInit,
TEMPLATE_CUSTOM_HID_OutEvent,
};
/* Private functions ---------------------------------------------------------*/
/**
* @brief TEMPLATE_CUSTOM_HID_Init
* Initializes the CUSTOM HID media low layer
* @param None
* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
*/
static int8_t TEMPLATE_CUSTOM_HID_Init(void)
{
return (0);
}
/**
* @brief TEMPLATE_CUSTOM_HID_DeInit
* DeInitializes the CUSTOM HID media low layer
* @param None
* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
*/
static int8_t TEMPLATE_CUSTOM_HID_DeInit(void)
{
/*
Add your deinitialization code here
*/
return (0);
}
/**
* @brief TEMPLATE_CUSTOM_HID_Control
* Manage the CUSTOM HID class events
* @param event_idx: event index
* @param state: event state
* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
*/
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 */
if (USBD_CUSTOM_HID_ReceivePacket(&USBD_Device) != (uint8_t)USBD_OK)
{
return -1;
}
return (0);
}