394 lines
10 KiB
C
394 lines
10 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : App/usbd_desc.c
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* @version : v2.0_Cube
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* @brief : This file implements the USB device descriptors.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2020 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 "usbd_core.h"
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#include "usbd_desc.h"
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#include "usbd_conf.h"
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/* USER CODE BEGIN INCLUDE */
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/* USER CODE END INCLUDE */
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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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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/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
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* @{
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*/
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/** @addtogroup USBD_DESC
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* @{
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*/
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/** @defgroup USBD_DESC_Private_TypesDefinitions USBD_DESC_Private_TypesDefinitions
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* @brief Private types.
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* @{
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*/
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/* USER CODE BEGIN PRIVATE_TYPES */
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/* USER CODE END PRIVATE_TYPES */
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Defines USBD_DESC_Private_Defines
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* @brief Private defines.
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* @{
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*/
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#define USBD_VID 0x483
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#define USBD_LANGID_STRING 1031
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#define USBD_MANUFACTURER_STRING "STMicroelectronics"
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#define USBD_PID_FS 0x5740
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#define USBD_PRODUCT_STRING_FS "STM32 Virtual ComPort"
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#define USBD_CONFIGURATION_STRING_FS "CDC Config"
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#define USBD_INTERFACE_STRING_FS "CDC Interface"
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/* USER CODE BEGIN PRIVATE_DEFINES */
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/* USER CODE END PRIVATE_DEFINES */
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/**
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* @}
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*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/** @defgroup USBD_DESC_Private_Macros USBD_DESC_Private_Macros
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* @brief Private macros.
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* @{
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*/
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/* USER CODE BEGIN PRIVATE_MACRO */
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/* USER CODE END PRIVATE_MACRO */
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes
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* @brief Private functions declaration.
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* @{
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*/
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static void Get_SerialNum(void);
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static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len);
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes
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* @brief Private functions declaration for FS.
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* @{
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*/
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uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables
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* @brief Private variables.
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* @{
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*/
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USBD_DescriptorsTypeDef FS_Desc =
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{
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USBD_FS_DeviceDescriptor
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, USBD_FS_LangIDStrDescriptor
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, USBD_FS_ManufacturerStrDescriptor
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, USBD_FS_ProductStrDescriptor
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, USBD_FS_SerialStrDescriptor
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, USBD_FS_ConfigStrDescriptor
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, USBD_FS_InterfaceStrDescriptor
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};
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#if defined ( __ICCARM__ ) /* IAR Compiler */
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#pragma data_alignment=4
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#endif /* defined ( __ICCARM__ ) */
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/** USB standard device descriptor. */
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__ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END =
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{
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0x12, /*bLength */
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USB_DESC_TYPE_DEVICE, /*bDescriptorType*/
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0x00, /*bcdUSB */
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0x02,
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0x02, /*bDeviceClass*/
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0x02, /*bDeviceSubClass*/
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0x00, /*bDeviceProtocol*/
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USB_MAX_EP0_SIZE, /*bMaxPacketSize*/
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LOBYTE(USBD_VID), /*idVendor*/
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HIBYTE(USBD_VID), /*idVendor*/
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LOBYTE(USBD_PID_FS), /*idProduct*/
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HIBYTE(USBD_PID_FS), /*idProduct*/
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0x00, /*bcdDevice rel. 2.00*/
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0x02,
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USBD_IDX_MFC_STR, /*Index of manufacturer string*/
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USBD_IDX_PRODUCT_STR, /*Index of product string*/
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USBD_IDX_SERIAL_STR, /*Index of serial number string*/
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USBD_MAX_NUM_CONFIGURATION /*bNumConfigurations*/
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};
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/* USB_DeviceDescriptor */
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables
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* @brief Private variables.
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* @{
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*/
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#if defined ( __ICCARM__ ) /* IAR Compiler */
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#pragma data_alignment=4
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#endif /* defined ( __ICCARM__ ) */
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/** USB lang indentifier descriptor. */
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__ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END =
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{
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USB_LEN_LANGID_STR_DESC,
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USB_DESC_TYPE_STRING,
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LOBYTE(USBD_LANGID_STRING),
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HIBYTE(USBD_LANGID_STRING)
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};
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#if defined ( __ICCARM__ ) /* IAR Compiler */
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#pragma data_alignment=4
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#endif /* defined ( __ICCARM__ ) */
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/* Internal string descriptor. */
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__ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
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#if defined ( __ICCARM__ ) /*!< IAR Compiler */
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#pragma data_alignment=4
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#endif
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__ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] __ALIGN_END = {
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USB_SIZ_STRING_SERIAL,
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USB_DESC_TYPE_STRING,
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};
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/**
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* @}
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*/
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/** @defgroup USBD_DESC_Private_Functions USBD_DESC_Private_Functions
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* @brief Private functions.
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* @{
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*/
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/**
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* @brief Return the device descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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UNUSED(speed);
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*length = sizeof(USBD_FS_DeviceDesc);
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return USBD_FS_DeviceDesc;
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}
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/**
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* @brief Return the LangID string descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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UNUSED(speed);
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*length = sizeof(USBD_LangIDDesc);
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return USBD_LangIDDesc;
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}
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/**
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* @brief Return the product string descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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if(speed == 0)
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{
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USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
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}
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else
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{
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USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
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}
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return USBD_StrDesc;
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}
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/**
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* @brief Return the manufacturer string descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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UNUSED(speed);
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USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
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return USBD_StrDesc;
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}
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/**
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* @brief Return the serial number string descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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UNUSED(speed);
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*length = USB_SIZ_STRING_SERIAL;
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/* Update the serial number string descriptor with the data from the unique
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* ID */
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Get_SerialNum();
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/* USER CODE BEGIN USBD_FS_SerialStrDescriptor */
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/* USER CODE END USBD_FS_SerialStrDescriptor */
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return (uint8_t *) USBD_StringSerial;
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}
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/**
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* @brief Return the configuration string descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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if(speed == USBD_SPEED_HIGH)
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{
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USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
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}
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else
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{
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USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
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}
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return USBD_StrDesc;
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}
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/**
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* @brief Return the interface string descriptor
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* @param speed : Current device speed
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* @param length : Pointer to data length variable
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* @retval Pointer to descriptor buffer
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*/
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uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
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{
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if(speed == 0)
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{
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USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
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}
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else
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{
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USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
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}
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return USBD_StrDesc;
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}
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/**
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* @brief Create the serial number string descriptor
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* @param None
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* @retval None
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*/
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static void Get_SerialNum(void)
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{
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uint32_t deviceserial0, deviceserial1, deviceserial2;
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deviceserial0 = *(uint32_t *) DEVICE_ID1;
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deviceserial1 = *(uint32_t *) DEVICE_ID2;
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deviceserial2 = *(uint32_t *) DEVICE_ID3;
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deviceserial0 += deviceserial2;
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if (deviceserial0 != 0)
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{
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IntToUnicode(deviceserial0, &USBD_StringSerial[2], 8);
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IntToUnicode(deviceserial1, &USBD_StringSerial[18], 4);
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}
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}
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/**
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* @brief Convert Hex 32Bits value into char
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* @param value: value to convert
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* @param pbuf: pointer to the buffer
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* @param len: buffer length
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* @retval None
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*/
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static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len)
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{
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uint8_t idx = 0;
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for (idx = 0; idx < len; idx++)
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{
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if (((value >> 28)) < 0xA)
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{
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pbuf[2 * idx] = (value >> 28) + '0';
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}
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else
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{
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pbuf[2 * idx] = (value >> 28) + 'A' - 10;
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}
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value = value << 4;
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pbuf[2 * idx + 1] = 0;
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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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*/
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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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