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174 lines
5.6 KiB
174 lines
5.6 KiB
/**
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******************************************************************************
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* @file : usb_device.c
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* @version : v2.0_Cube
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* @brief : This file implements the USB Device
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******************************************************************************
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* This notice applies to any and all portions of this file
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* that are not between comment pairs USER CODE BEGIN and
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* USER CODE END. Other portions of this file, whether
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* inserted by the user or by software development tools
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* are owned by their respective copyright owners.
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*
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* Copyright (c) 2018 STMicroelectronics International N.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for STMicroelectronics.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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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_cdc.h"
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#include "usbd_cdc_if.h"
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/* USER CODE BEGIN Includes */
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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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/* 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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/* Return USBD_OK if the Battery Charging Detection mode (BCD) is used, else USBD_FAIL. */
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extern USBD_StatusTypeDef USBD_LL_BatteryCharging(USBD_HandleTypeDef *pdev);
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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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void MX_USB_DEVICE_DeInit(void)
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{
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USBD_DeInit(&hUsbDeviceFS);
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}
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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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/* 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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USBD_Init(&hUsbDeviceFS, &FS_Desc, DEVICE_FS);
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USBD_RegisterClass(&hUsbDeviceFS, &USBD_CDC);
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USBD_CDC_RegisterInterface(&hUsbDeviceFS, &USBD_Interface_fops_FS);
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/* Verify if the Battery Charging Detection mode (BCD) is used : */
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/* If yes, the USB device is started in the HAL_PCDEx_BCD_Callback */
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/* upon reception of PCD_BCD_DISCOVERY_COMPLETED message. */
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/* If no, the USB device is started now. */
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if (USBD_LL_BatteryCharging(&hUsbDeviceFS) != USBD_OK) {
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USBD_Start(&hUsbDeviceFS);
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}
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/* USER CODE BEGIN USB_DEVICE_Init_PostTreatment */
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/* USER CODE END USB_DEVICE_Init_PostTreatment */
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}
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/**
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* @brief Send BCD message to user layer
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* @param hpcd: PCD handle
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* @param msg: LPM message
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* @retval None
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*/
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void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
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{
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USBD_HandleTypeDef usbdHandle = hUsbDeviceFS;
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/* USER CODE BEGIN 7 */
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if (hpcd->battery_charging_active == ENABLE)
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{
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switch(msg)
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{
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case PCD_BCD_CONTACT_DETECTION:
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break;
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case PCD_BCD_STD_DOWNSTREAM_PORT:
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break;
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case PCD_BCD_CHARGING_DOWNSTREAM_PORT:
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break;
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case PCD_BCD_DEDICATED_CHARGING_PORT:
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break;
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case PCD_BCD_DISCOVERY_COMPLETED:
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USBD_Start(&usbdHandle);
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break;
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case PCD_BCD_ERROR:
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default:
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break;
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}
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}
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/* USER CODE END 7 */
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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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