/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : usbd_storage_if.c * @version : v3.0_Cube * @brief : Memory management layer. ****************************************************************************** * @attention * * Copyright (c) 2024 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. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "usbd_storage_if.h" /* USER CODE BEGIN INCLUDE */ /* USER CODE END INCLUDE */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PV */ extern unsigned char *buff; /* Private variables ---------------------------------------------------------*/ /* USER CODE END PV */ /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY * @brief Usb device. * @{ */ /** @defgroup USBD_STORAGE * @brief Usb mass storage device module * @{ */ /** @defgroup USBD_STORAGE_Private_TypesDefinitions * @brief Private types. * @{ */ /* USER CODE BEGIN PRIVATE_TYPES */ /* USER CODE END PRIVATE_TYPES */ /** * @} */ /** @defgroup USBD_STORAGE_Private_Defines * @brief Private defines. * @{ */ #define STORAGE_LUN_NBR 1 //#define STORAGE_BLK_NBR 0x10000 #define STORAGE_BLK_NBR 0x3AB780 #define STORAGE_BLK_SIZ 0x200 /* USER CODE BEGIN PRIVATE_DEFINES */ /* USER CODE END PRIVATE_DEFINES */ /** * @} */ /** @defgroup USBD_STORAGE_Private_Macros * @brief Private macros. * @{ */ /* USER CODE BEGIN PRIVATE_MACRO */ /* USER CODE END PRIVATE_MACRO */ /** * @} */ /** @defgroup USBD_STORAGE_Private_Variables * @brief Private variables. * @{ */ /* USER CODE BEGIN INQUIRY_DATA_FS */ /** USB Mass storage Standard Inquiry Data. */ const int8_t STORAGE_Inquirydata_FS[] = {/* 36 */ /* LUN 0 */ 0x00, 0x80, 0x02, 0x02, (STANDARD_INQUIRY_DATA_LEN - 5), 0x00, 0x00, 0x00, 'S', 'T', 'M', ' ', ' ', ' ', ' ', ' ', /* Manufacturer : 8 bytes */ 'P', 'r', 'o', 'd', 'u', 'c', 't', ' ', /* Product : 16 Bytes */ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '0', '.', '0' ,'1' /* Version : 4 Bytes */ }; /* USER CODE END INQUIRY_DATA_FS */ /* USER CODE BEGIN PRIVATE_VARIABLES */ /* USER CODE END PRIVATE_VARIABLES */ /** * @} */ /** @defgroup USBD_STORAGE_Exported_Variables * @brief Public variables. * @{ */ extern USBD_HandleTypeDef hUsbDeviceFS; /* USER CODE BEGIN EXPORTED_VARIABLES */ extern SPI_HandleTypeDef hspi1; /* USER CODE END EXPORTED_VARIABLES */ /** * @} */ /** @defgroup USBD_STORAGE_Private_FunctionPrototypes * @brief Private functions declaration. * @{ */ static int8_t STORAGE_Init_FS(uint8_t lun); static int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size); static int8_t STORAGE_IsReady_FS(uint8_t lun); static int8_t STORAGE_IsWriteProtected_FS(uint8_t lun); static int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); static int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len); static int8_t STORAGE_GetMaxLun_FS(void); /* USER CODE BEGIN PRIVATE_FUNCTIONS_DECLARATION */ /* USER CODE END PRIVATE_FUNCTIONS_DECLARATION */ /** * @} */ USBD_StorageTypeDef USBD_Storage_Interface_fops_FS = { STORAGE_Init_FS, STORAGE_GetCapacity_FS, STORAGE_IsReady_FS, STORAGE_IsWriteProtected_FS, STORAGE_Read_FS, STORAGE_Write_FS, STORAGE_GetMaxLun_FS, (int8_t *)STORAGE_Inquirydata_FS }; /* Private functions ---------------------------------------------------------*/ /** * @brief Initializes over USB FS IP * @param lun: * @retval USBD_OK if all operations are OK else USBD_FAIL */ int8_t STORAGE_Init_FS(uint8_t lun) { /* USER CODE BEGIN 2 */ USBD_StatusTypeDef ret = USBD_FAIL; if(SD_disk_initialize(0) == 0){ ret = USBD_OK; } return ret; /* USER CODE END 2 */ } /** * @brief . * @param lun: . * @param block_num: . * @param block_size: . * @retval USBD_OK if all operations are OK else USBD_FAIL */ int8_t STORAGE_GetCapacity_FS(uint8_t lun, uint32_t *block_num, uint16_t *block_size) { /* USER CODE BEGIN 3 */ *block_num = STORAGE_BLK_NBR; *block_size = STORAGE_BLK_SIZ; return (USBD_OK); /* USER CODE END 3 */ } /** * @brief . * @param lun: . * @retval USBD_OK if all operations are OK else USBD_FAIL */ int8_t STORAGE_IsReady_FS(uint8_t lun) { /* USER CODE BEGIN 4 */ USBD_StatusTypeDef ret = USBD_FAIL; if(SD_disk_status(0) == 0){ ret = USBD_OK; } return ret; /* USER CODE END 4 */ } /** * @brief . * @param lun: . * @retval USBD_OK if all operations are OK else USBD_FAIL */ int8_t STORAGE_IsWriteProtected_FS(uint8_t lun) { /* USER CODE BEGIN 5 */ return (USBD_OK); /* USER CODE END 5 */ } /** * @brief . * @param lun: . * @retval USBD_OK if all operations are OK else USBD_FAIL */ int8_t STORAGE_Read_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) { /* USER CODE BEGIN 6 */ USBD_StatusTypeDef ret = USBD_FAIL; if(SD_disk_read(0, buf, blk_addr, blk_len) == 0){ ret = USBD_OK; } return ret; /* USER CODE END 6 */ } /** * @brief . * @param lun: . * @retval USBD_OK if all operations are OK else USBD_FAIL */ int8_t STORAGE_Write_FS(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len) { /* USER CODE BEGIN 7 */ USBD_StatusTypeDef ret = USBD_FAIL; if(SD_disk_write(0, buf, blk_addr,blk_len) == 0){ ret = USBD_OK; } return ret; /* USER CODE END 7 */ } /** * @brief . * @param None * @retval . */ int8_t STORAGE_GetMaxLun_FS(void) { /* USER CODE BEGIN 8 */ return (STORAGE_LUN_NBR - 1); /* USER CODE END 8 */ } /* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */ /* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */ /** * @} */ /** * @} */