- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * [url=home.php?mod=space&uid=288409]@file[/url] : usbd_storage_if.c
- * [url=home.php?mod=space&uid=895143]@version[/url] : v1.0_Cube
- * [url=home.php?mod=space&uid=247401]@brief[/url] : Memory management layer.
- ******************************************************************************
- * @attention
- *
- * Copyright (c) 2023 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 */
- #include "fatfs.h"
- #include "stdio.h"
- /* USER CODE END INCLUDE */
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* Private macro -------------------------------------------------------------*/
- /* USER CODE BEGIN PV */
- /* Private variables ---------------------------------------------------------*/
- extern SD_HandleTypeDef hsd1;
- /* 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_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 */
- /* 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 the storage unit (medium) over USB FS IP
- * @param lun: Logical unit number.
- * @retval USBD_OK if all operations are OK else USBD_FAIL
- */
- int8_t STORAGE_Init_FS(uint8_t lun)
- {
- /* USER CODE BEGIN 2 */
- UNUSED(lun);
- return USBD_OK;
- /* USER CODE END 2 */
- }
- /**
- * @brief Returns the medium capacity.
- * @param lun: Logical unit number.
- * @param block_num: Number of total block number.
- * @param block_size: 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 */
- int8_t ret = -1;
- HAL_SD_CardInfoTypeDef info;
- ret = HAL_SD_GetCardInfo(&hsd1, &info);
- *block_num = info.LogBlockNbr - 1;
- *block_size = info.LogBlockSize;
- return ret;
- /* USER CODE END 3 */
- }
- /**
- * @brief Checks whether the medium is ready.
- * @param lun: Logical unit number.
- * @retval USBD_OK if all operations are OK else USBD_FAIL
- */
- int8_t STORAGE_IsReady_FS(uint8_t lun)
- {
- /* USER CODE BEGIN 4 */
- int8_t ret = -1;
- UNUSED(lun);
- if (HAL_SD_GetCardState(&hsd1) == HAL_SD_CARD_TRANSFER)
- ret = 0;
- return ret;
- /* USER CODE END 4 */
- }
- /**
- * @brief Checks whether the medium is write protected.
- * @param lun: Logical unit number.
- * @retval USBD_OK if all operations are OK else USBD_FAIL
- */
- int8_t STORAGE_IsWriteProtected_FS(uint8_t lun)
- {
- /* USER CODE BEGIN 5 */
- UNUSED(lun);
- return (USBD_OK);
- /* USER CODE END 5 */
- }
- /**
- * @brief Reads data from the medium.
- * @param lun: Logical unit number.
- * @param buf: data buffer.
- * @param blk_addr: Logical block address.
- * @param blk_len: Blocks number.
- * @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 */
- int8_t ret = USBD_FAIL;
- uint32_t timer;
- if (HAL_SD_ReadBlocks_DMA(&hsd1, buf, blk_addr, blk_len) == HAL_OK) {
- ret = USBD_OK;
- }
- if (USBD_OK == ret) {
- timer = osKernelSysTick();
- while (HAL_SD_GetState(&hsd1) == HAL_SD_STATE_BUSY) {
- if (osKernelSysTick() - timer > 30 * 1000) {
- return USBD_FAIL;
- }
- };
- timer = osKernelSysTick();
- while (HAL_SD_GetCardState(&hsd1) != HAL_SD_CARD_TRANSFER) {
- if (osKernelSysTick() - timer > 30 * 1000) {
- return USBD_FAIL;
- }
- };
- }
- return USBD_OK;
- /* USER CODE END 6 */
- }
- /**
- * @brief Writes data into the medium.
- * @param lun: Logical unit number.
- * @param buf: data buffer.
- * @param blk_addr: Logical block address.
- * @param blk_len: Blocks number.
- * @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 */
- int8_t ret = USBD_FAIL;
- uint32_t timer;
- if (HAL_SD_WriteBlocks_DMA(&hsd1, buf, blk_addr, blk_len) == HAL_OK) {
- ret = USBD_OK;
- }
- if (USBD_OK == ret) {
- timer = osKernelSysTick();
- while (HAL_SD_GetState(&hsd1) == HAL_SD_STATE_BUSY) {
- if (osKernelSysTick() - timer > 30 * 1000) {
- return USBD_FAIL;
- }
- };
- timer = osKernelSysTick();
- while (HAL_SD_GetCardState(&hsd1) != HAL_SD_CARD_TRANSFER) {
- if (osKernelSysTick() - timer > 30 * 1000) {
- return USBD_FAIL;
- }
- };
- }
- return USBD_OK;
- /* USER CODE END 7 */
- }
- /**
- * @brief Returns the Max Supported LUNs.
- * @param None
- * @retval Lun(s) number.
- */
- int8_t STORAGE_GetMaxLun_FS(void)
- {
- /* USER CODE BEGIN 8 */
- HAL_SD_CardInfoTypeDef info;
- HAL_SD_GetCardInfo(&hsd1, &info);
- if (info.LogBlockNbr)
- return STORAGE_LUN_NBR - 1;
- else
- return STORAGE_LUN_NBR - 2;
- /* USER CODE END 8 */
- }
- /* USER CODE BEGIN PRIVATE_FUNCTIONS_IMPLEMENTATION */
- /* USER CODE END PRIVATE_FUNCTIONS_IMPLEMENTATION */
- /**
- * @}
- */
- /**
- * @}
- */