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| 16 | mjames | 1 | /* USER CODE BEGIN Header */ |
| 2 | /** |
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| 3 | ****************************************************************************** |
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| 4 | * @file : App/usbd_desc.c |
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| 5 | * @version : v2.0_Cube |
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| 6 | * @brief : This file implements the USB device descriptors. |
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| 7 | ****************************************************************************** |
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| 8 | * @attention |
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| 9 | * |
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| 10 | * <h2><center>© Copyright (c) 2021 STMicroelectronics. |
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| 11 | * All rights reserved.</center></h2> |
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| 12 | * |
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| 13 | * This software component is licensed by ST under Ultimate Liberty license |
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| 14 | * SLA0044, the "License"; You may not use this file except in compliance with |
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| 15 | * the License. You may obtain a copy of the License at: |
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| 16 | * www.st.com/SLA0044 |
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| 17 | * |
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| 18 | ****************************************************************************** |
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| 19 | */ |
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| 20 | /* USER CODE END Header */ |
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| 21 | |||
| 22 | /* Includes ------------------------------------------------------------------*/ |
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| 23 | #include "usbd_core.h" |
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| 24 | #include "usbd_desc.h" |
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| 25 | #include "usbd_conf.h" |
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| 26 | |||
| 27 | /* USER CODE BEGIN INCLUDE */ |
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| 28 | |||
| 29 | /* USER CODE END INCLUDE */ |
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| 30 | |||
| 31 | /* Private typedef -----------------------------------------------------------*/ |
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| 32 | /* Private define ------------------------------------------------------------*/ |
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| 33 | /* Private macro -------------------------------------------------------------*/ |
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| 34 | |||
| 35 | /* USER CODE BEGIN PV */ |
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| 36 | /* Private variables ---------------------------------------------------------*/ |
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| 37 | |||
| 38 | /* USER CODE END PV */ |
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| 39 | |||
| 40 | /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY |
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| 41 | * @{ |
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| 42 | */ |
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| 43 | |||
| 44 | /** @addtogroup USBD_DESC |
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| 45 | * @{ |
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| 46 | */ |
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| 47 | |||
| 48 | /** @defgroup USBD_DESC_Private_TypesDefinitions USBD_DESC_Private_TypesDefinitions |
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| 49 | * @brief Private types. |
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| 50 | * @{ |
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| 51 | */ |
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| 52 | |||
| 53 | /* USER CODE BEGIN PRIVATE_TYPES */ |
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| 54 | |||
| 55 | /* USER CODE END PRIVATE_TYPES */ |
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| 56 | |||
| 57 | /** |
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| 58 | * @} |
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| 59 | */ |
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| 60 | |||
| 61 | /** @defgroup USBD_DESC_Private_Defines USBD_DESC_Private_Defines |
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| 62 | * @brief Private defines. |
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| 63 | * @{ |
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| 64 | */ |
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| 65 | |||
| 66 | #define USBD_VID 1155 |
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| 67 | #define USBD_LANGID_STRING 1033 |
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| 68 | #define USBD_MANUFACTURER_STRING "STMicroelectronics" |
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| 69 | #define USBD_PID_FS 22336 |
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| 70 | #define USBD_PRODUCT_STRING_FS "STM32 Virtual ComPort" |
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| 71 | #define USBD_CONFIGURATION_STRING_FS "CDC Config" |
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| 72 | #define USBD_INTERFACE_STRING_FS "CDC Interface" |
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| 73 | |||
| 74 | /* USER CODE BEGIN PRIVATE_DEFINES */ |
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| 75 | |||
| 76 | /* USER CODE END PRIVATE_DEFINES */ |
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| 77 | |||
| 78 | /** |
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| 79 | * @} |
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| 80 | */ |
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| 81 | |||
| 82 | /* USER CODE BEGIN 0 */ |
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| 83 | |||
| 84 | /* USER CODE END 0 */ |
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| 85 | |||
| 86 | /** @defgroup USBD_DESC_Private_Macros USBD_DESC_Private_Macros |
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| 87 | * @brief Private macros. |
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| 88 | * @{ |
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| 89 | */ |
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| 90 | |||
| 91 | /* USER CODE BEGIN PRIVATE_MACRO */ |
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| 92 | |||
| 93 | /* USER CODE END PRIVATE_MACRO */ |
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| 94 | |||
| 95 | /** |
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| 96 | * @} |
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| 97 | */ |
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| 98 | |||
| 99 | /** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes |
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| 100 | * @brief Private functions declaration. |
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| 101 | * @{ |
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| 102 | */ |
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| 103 | |||
| 104 | static void Get_SerialNum(void); |
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| 105 | static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len); |
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| 106 | |||
| 107 | /** |
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| 108 | * @} |
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| 109 | */ |
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| 110 | |||
| 111 | /** @defgroup USBD_DESC_Private_FunctionPrototypes USBD_DESC_Private_FunctionPrototypes |
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| 112 | * @brief Private functions declaration for FS. |
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| 113 | * @{ |
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| 114 | */ |
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| 115 | |||
| 116 | uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 117 | uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 118 | uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 119 | uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 120 | uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 121 | uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 122 | uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length); |
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| 123 | |||
| 124 | /** |
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| 125 | * @} |
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| 126 | */ |
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| 127 | |||
| 128 | /** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables |
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| 129 | * @brief Private variables. |
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| 130 | * @{ |
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| 131 | */ |
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| 132 | |||
| 133 | USBD_DescriptorsTypeDef FS_Desc = |
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| 134 | { |
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| 135 | USBD_FS_DeviceDescriptor |
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| 136 | , USBD_FS_LangIDStrDescriptor |
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| 137 | , USBD_FS_ManufacturerStrDescriptor |
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| 138 | , USBD_FS_ProductStrDescriptor |
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| 139 | , USBD_FS_SerialStrDescriptor |
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| 140 | , USBD_FS_ConfigStrDescriptor |
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| 141 | , USBD_FS_InterfaceStrDescriptor |
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| 142 | }; |
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| 143 | |||
| 144 | #if defined ( __ICCARM__ ) /* IAR Compiler */ |
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| 145 | #pragma data_alignment=4 |
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| 146 | #endif /* defined ( __ICCARM__ ) */ |
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| 147 | /** USB standard device descriptor. */ |
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| 148 | __ALIGN_BEGIN uint8_t USBD_FS_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = |
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| 149 | { |
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| 150 | 0x12, /*bLength */ |
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| 151 | USB_DESC_TYPE_DEVICE, /*bDescriptorType*/ |
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| 152 | 0x00, /*bcdUSB */ |
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| 153 | 0x02, |
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| 154 | 0x02, /*bDeviceClass*/ |
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| 155 | 0x02, /*bDeviceSubClass*/ |
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| 156 | 0x00, /*bDeviceProtocol*/ |
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| 157 | USB_MAX_EP0_SIZE, /*bMaxPacketSize*/ |
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| 158 | LOBYTE(USBD_VID), /*idVendor*/ |
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| 159 | HIBYTE(USBD_VID), /*idVendor*/ |
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| 160 | LOBYTE(USBD_PID_FS), /*idProduct*/ |
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| 161 | HIBYTE(USBD_PID_FS), /*idProduct*/ |
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| 162 | 0x00, /*bcdDevice rel. 2.00*/ |
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| 163 | 0x02, |
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| 164 | USBD_IDX_MFC_STR, /*Index of manufacturer string*/ |
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| 165 | USBD_IDX_PRODUCT_STR, /*Index of product string*/ |
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| 166 | USBD_IDX_SERIAL_STR, /*Index of serial number string*/ |
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| 167 | USBD_MAX_NUM_CONFIGURATION /*bNumConfigurations*/ |
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| 168 | }; |
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| 169 | |||
| 170 | /* USB_DeviceDescriptor */ |
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| 171 | |||
| 172 | /** |
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| 173 | * @} |
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| 174 | */ |
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| 175 | |||
| 176 | /** @defgroup USBD_DESC_Private_Variables USBD_DESC_Private_Variables |
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| 177 | * @brief Private variables. |
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| 178 | * @{ |
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| 179 | */ |
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| 180 | |||
| 181 | #if defined ( __ICCARM__ ) /* IAR Compiler */ |
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| 182 | #pragma data_alignment=4 |
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| 183 | #endif /* defined ( __ICCARM__ ) */ |
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| 184 | |||
| 185 | /** USB lang indentifier descriptor. */ |
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| 186 | __ALIGN_BEGIN uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END = |
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| 187 | { |
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| 188 | USB_LEN_LANGID_STR_DESC, |
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| 189 | USB_DESC_TYPE_STRING, |
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| 190 | LOBYTE(USBD_LANGID_STRING), |
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| 191 | HIBYTE(USBD_LANGID_STRING) |
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| 192 | }; |
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| 193 | |||
| 194 | #if defined ( __ICCARM__ ) /* IAR Compiler */ |
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| 195 | #pragma data_alignment=4 |
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| 196 | #endif /* defined ( __ICCARM__ ) */ |
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| 197 | /* Internal string descriptor. */ |
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| 198 | __ALIGN_BEGIN uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END; |
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| 199 | |||
| 200 | #if defined ( __ICCARM__ ) /*!< IAR Compiler */ |
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| 201 | #pragma data_alignment=4 |
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| 202 | #endif |
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| 203 | __ALIGN_BEGIN uint8_t USBD_StringSerial[USB_SIZ_STRING_SERIAL] __ALIGN_END = { |
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| 204 | USB_SIZ_STRING_SERIAL, |
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| 205 | USB_DESC_TYPE_STRING, |
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| 206 | }; |
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| 207 | |||
| 208 | /** |
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| 209 | * @} |
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| 210 | */ |
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| 211 | |||
| 212 | /** @defgroup USBD_DESC_Private_Functions USBD_DESC_Private_Functions |
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| 213 | * @brief Private functions. |
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| 214 | * @{ |
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| 215 | */ |
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| 216 | |||
| 217 | /** |
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| 218 | * @brief Return the device descriptor |
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| 219 | * @param speed : Current device speed |
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| 220 | * @param length : Pointer to data length variable |
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| 221 | * @retval Pointer to descriptor buffer |
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| 222 | */ |
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| 223 | uint8_t * USBD_FS_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 224 | { |
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| 225 | UNUSED(speed); |
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| 226 | *length = sizeof(USBD_FS_DeviceDesc); |
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| 227 | return USBD_FS_DeviceDesc; |
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| 228 | } |
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| 229 | |||
| 230 | /** |
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| 231 | * @brief Return the LangID string descriptor |
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| 232 | * @param speed : Current device speed |
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| 233 | * @param length : Pointer to data length variable |
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| 234 | * @retval Pointer to descriptor buffer |
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| 235 | */ |
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| 236 | uint8_t * USBD_FS_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 237 | { |
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| 238 | UNUSED(speed); |
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| 239 | *length = sizeof(USBD_LangIDDesc); |
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| 240 | return USBD_LangIDDesc; |
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| 241 | } |
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| 242 | |||
| 243 | /** |
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| 244 | * @brief Return the product string descriptor |
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| 245 | * @param speed : Current device speed |
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| 246 | * @param length : Pointer to data length variable |
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| 247 | * @retval Pointer to descriptor buffer |
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| 248 | */ |
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| 249 | uint8_t * USBD_FS_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 250 | { |
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| 251 | if(speed == 0) |
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| 252 | { |
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| 253 | USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length); |
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| 254 | } |
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| 255 | else |
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| 256 | { |
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| 257 | USBD_GetString((uint8_t *)USBD_PRODUCT_STRING_FS, USBD_StrDesc, length); |
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| 258 | } |
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| 259 | return USBD_StrDesc; |
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| 260 | } |
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| 261 | |||
| 262 | /** |
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| 263 | * @brief Return the manufacturer string descriptor |
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| 264 | * @param speed : Current device speed |
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| 265 | * @param length : Pointer to data length variable |
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| 266 | * @retval Pointer to descriptor buffer |
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| 267 | */ |
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| 268 | uint8_t * USBD_FS_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 269 | { |
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| 270 | UNUSED(speed); |
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| 271 | USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length); |
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| 272 | return USBD_StrDesc; |
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| 273 | } |
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| 274 | |||
| 275 | /** |
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| 276 | * @brief Return the serial number string descriptor |
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| 277 | * @param speed : Current device speed |
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| 278 | * @param length : Pointer to data length variable |
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| 279 | * @retval Pointer to descriptor buffer |
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| 280 | */ |
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| 281 | uint8_t * USBD_FS_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 282 | { |
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| 283 | UNUSED(speed); |
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| 284 | *length = USB_SIZ_STRING_SERIAL; |
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| 285 | |||
| 286 | /* Update the serial number string descriptor with the data from the unique |
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| 287 | * ID */ |
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| 288 | Get_SerialNum(); |
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| 289 | /* USER CODE BEGIN USBD_FS_SerialStrDescriptor */ |
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| 290 | |||
| 291 | /* USER CODE END USBD_FS_SerialStrDescriptor */ |
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| 292 | return (uint8_t *) USBD_StringSerial; |
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| 293 | } |
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| 294 | |||
| 295 | /** |
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| 296 | * @brief Return the configuration string descriptor |
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| 297 | * @param speed : Current device speed |
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| 298 | * @param length : Pointer to data length variable |
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| 299 | * @retval Pointer to descriptor buffer |
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| 300 | */ |
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| 301 | uint8_t * USBD_FS_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 302 | { |
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| 303 | if(speed == USBD_SPEED_HIGH) |
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| 304 | { |
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| 305 | USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length); |
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| 306 | } |
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| 307 | else |
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| 308 | { |
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| 309 | USBD_GetString((uint8_t *)USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length); |
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| 310 | } |
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| 311 | return USBD_StrDesc; |
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| 312 | } |
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| 313 | |||
| 314 | /** |
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| 315 | * @brief Return the interface string descriptor |
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| 316 | * @param speed : Current device speed |
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| 317 | * @param length : Pointer to data length variable |
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| 318 | * @retval Pointer to descriptor buffer |
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| 319 | */ |
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| 320 | uint8_t * USBD_FS_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) |
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| 321 | { |
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| 322 | if(speed == 0) |
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| 323 | { |
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| 324 | USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length); |
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| 325 | } |
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| 326 | else |
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| 327 | { |
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| 328 | USBD_GetString((uint8_t *)USBD_INTERFACE_STRING_FS, USBD_StrDesc, length); |
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| 329 | } |
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| 330 | return USBD_StrDesc; |
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| 331 | } |
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| 332 | |||
| 333 | /** |
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| 334 | * @brief Create the serial number string descriptor |
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| 335 | * @param None |
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| 336 | * @retval None |
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| 337 | */ |
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| 338 | static void Get_SerialNum(void) |
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| 339 | { |
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| 340 | uint32_t deviceserial0, deviceserial1, deviceserial2; |
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| 341 | |||
| 342 | deviceserial0 = *(uint32_t *) DEVICE_ID1; |
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| 343 | deviceserial1 = *(uint32_t *) DEVICE_ID2; |
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| 344 | deviceserial2 = *(uint32_t *) DEVICE_ID3; |
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| 345 | |||
| 346 | deviceserial0 += deviceserial2; |
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| 347 | |||
| 348 | if (deviceserial0 != 0) |
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| 349 | { |
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| 350 | IntToUnicode(deviceserial0, &USBD_StringSerial[2], 8); |
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| 351 | IntToUnicode(deviceserial1, &USBD_StringSerial[18], 4); |
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| 352 | } |
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| 353 | } |
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| 354 | |||
| 355 | /** |
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| 356 | * @brief Convert Hex 32Bits value into char |
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| 357 | * @param value: value to convert |
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| 358 | * @param pbuf: pointer to the buffer |
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| 359 | * @param len: buffer length |
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| 360 | * @retval None |
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| 361 | */ |
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| 362 | static void IntToUnicode(uint32_t value, uint8_t * pbuf, uint8_t len) |
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| 363 | { |
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| 364 | uint8_t idx = 0; |
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| 365 | |||
| 366 | for (idx = 0; idx < len; idx++) |
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| 367 | { |
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| 368 | if (((value >> 28)) < 0xA) |
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| 369 | { |
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| 370 | pbuf[2 * idx] = (value >> 28) + '0'; |
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| 371 | } |
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| 372 | else |
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| 373 | { |
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| 374 | pbuf[2 * idx] = (value >> 28) + 'A' - 10; |
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| 375 | } |
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| 376 | |||
| 377 | value = value << 4; |
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| 378 | |||
| 379 | pbuf[2 * idx + 1] = 0; |
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| 380 | } |
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| 381 | } |
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| 382 | /** |
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| 383 | * @} |
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| 384 | */ |
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| 385 | |||
| 386 | /** |
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| 387 | * @} |
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| 388 | */ |
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| 389 | |||
| 390 | /** |
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| 391 | * @} |
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| 392 | */ |
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| 393 | |||
| 394 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |