112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : usb_device.c
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* @version : v1.0_Cube
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* @brief : This file implements the USB Device
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "usb_device.h"
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#include "usbd_core.h"
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#include "usbd_desc.h"
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#include "usbd_dfu.h"
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#include "usbd_dfu_if.h"
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/* USER CODE BEGIN Includes */
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#include "stm32h7xx_hal.h"
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#include "pin_config.h"
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/* USER CODE END Includes */
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/* USER CODE BEGIN PV */
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/* Private variables ---------------------------------------------------------*/
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extern uint8_t g_DFU;
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/* USER CODE END PV */
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/* USER CODE BEGIN PFP */
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE END PFP */
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/* USB Device Core handle declaration. */
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USBD_HandleTypeDef hUsbDeviceFS;
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/*
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* -- Insert your variables declaration here --
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*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/*
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* -- Insert your external function declaration here --
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*/
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/**
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* Init USB device Library, add supported class and start the library
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* @retval None
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*/
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void MX_USB_DEVICE_Init(void)
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{
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/* USER CODE BEGIN USB_DEVICE_Init_PreTreatment */
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if(HAL_GPIO_ReadPin(BTN_PORT, BTN_PIN) == BTN_INACTIVE_STATE && g_DFU == 0) return;
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g_DFU = 1;
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/* USER CODE END USB_DEVICE_Init_PreTreatment */
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/* Init Device Library, add supported class and start the library. */
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if (USBD_Init(&hUsbDeviceFS, &FS_Desc, DEVICE_FS) != USBD_OK)
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{
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Error_Handler();
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}
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if (USBD_RegisterClass(&hUsbDeviceFS, &USBD_DFU) != USBD_OK)
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{
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Error_Handler();
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}
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if (USBD_DFU_RegisterMedia(&hUsbDeviceFS, &USBD_DFU_fops_FS) != USBD_OK)
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{
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Error_Handler();
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}
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if (USBD_Start(&hUsbDeviceFS) != USBD_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USB_DEVICE_Init_PostTreatment */
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HAL_PWREx_EnableUSBVoltageDetector();
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/* USER CODE END USB_DEVICE_Init_PostTreatment */
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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