- /* Includes ------------------------------------------------------------------*/
- #include "usbd_msc_storage.h"
- /* USER CODE BEGIN INCLUDE */
- #include "spiflash/bsp_spiflash.h"
- /* USER CODE END INCLUDE */
- /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
- * @{
- */
- /** @defgroup USBD_STORAGE
- * [url=home.php?mod=space&uid=247401]@brief[/url] usbd core module
- * @{
- */
- /** @defgroup USBD_STORAGE_Private_TypesDefinitions
- * @{
- */
- /* USER CODE BEGIN PRIVATE_TYPES */
- /* USER CODE END PRIVATE_TYPES */
- /**
- * @}
- */
- /** @defgroup USBD_STORAGE_Private_Defines
- * @{
- */
- #define SPI_FLASH_SECTOR_SIZE 4096 // 串行Flash扇区大小
- #define SPI_FLASH_START_SECTOR 1792 // 串行Flash文件系统FatFS偏移量
- #define SPI_FLASH_SECTOR_COUNT 2304 // 串行Flash文件系统FatFS占用扇区个数
-
- #define STORAGE_LUN_NBR 1
- #define STORAGE_BLK_SIZ SPI_FLASH_SECTOR_SIZE
- /* USER CODE BEGIN PRIVATE_DEFINES */
- /* USER CODE END PRIVATE_DEFINES */
-
- /**
- * @}
- */
- /** @defgroup USBD_STORAGE_Private_Macros
- * @{
- */
- /* USER CODE BEGIN PRIVATE_MACRO */
- /* USER CODE END PRIVATE_MACRO */
- /**
- * @}
- */
- /** @defgroup USBD_STORAGE_IF_Private_Variables
- * @{
- */
- /* USB handler declaration */
- /* Handle for USB Full Speed IP */
- USBD_HandleTypeDef *hUsbDevice_0;
- /* 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_IF_Exported_Variables
- * @{
- */
- extern USBD_HandleTypeDef hUsbDeviceFS;
- /* USER CODE BEGIN EXPORTED_VARIABLES */
- /* USER CODE END EXPORTED_VARIABLES */
- /**
- * @}
- */
-
- /** @defgroup USBD_STORAGE_Private_FunctionPrototypes
- * @{
- */
- 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 ---------------------------------------------------------*/
- /*******************************************************************************
- * Function Name : STORAGE_Init_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_Init_FS (uint8_t lun)
- {
- /* USER CODE BEGIN 2 */
- int8_t res=-1;
- MX_SPIFlash_Init();
- if(SPI_FLASH_ReadID()==SPI_FLASH_ID)
- {
- res=USBD_OK;
- }
- return res;
- /* USER CODE END 2 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_GetCapacity_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_GetCapacity_FS (uint8_t lun, uint32_t *block_num, uint16_t *block_size)
- {
- /* USER CODE BEGIN 3 */
- *block_num = SPI_FLASH_SECTOR_COUNT;
- *block_size = STORAGE_BLK_SIZ;
- return (USBD_OK);
- /* USER CODE END 3 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_IsReady_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_IsReady_FS (uint8_t lun)
- {
- /* USER CODE BEGIN 4 */
- if(SPI_FLASH_ReadID()==SPI_FLASH_ID)
- return (USBD_OK);
- else
- return -1;
- /* USER CODE END 4 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_IsWriteProtected_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_IsWriteProtected_FS (uint8_t lun)
- {
- /* USER CODE BEGIN 5 */
- return (USBD_OK);
- /* USER CODE END 5 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_Read_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_Read_FS (uint8_t lun,
- uint8_t *buf,
- uint32_t blk_addr,
- uint16_t blk_len)
- {
- /* USER CODE BEGIN 6 */
- blk_addr+=SPI_FLASH_START_SECTOR;
- SPI_FLASH_BufferRead(buf, blk_addr*SPI_FLASH_SECTOR_SIZE, blk_len*SPI_FLASH_SECTOR_SIZE);
- return (USBD_OK);
- /* USER CODE END 6 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_Write_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- int8_t STORAGE_Write_FS (uint8_t lun,
- uint8_t *buf,
- uint32_t blk_addr,
- uint16_t blk_len)
- {
- /* USER CODE BEGIN 7 */
- uint32_t write_addr;
- /* 扇区偏移7MB,外部Flash文件系统空间放在SPI Flash后面9MB空间 */
- blk_addr+=SPI_FLASH_START_SECTOR;
- write_addr = blk_addr*SPI_FLASH_SECTOR_SIZE;
- SPI_FLASH_SectorErase(write_addr);
- SPI_FLASH_BufferWrite(buf,write_addr,blk_len*SPI_FLASH_SECTOR_SIZE);
- return USBD_OK;
- /* USER CODE END 7 */
- }
- /*******************************************************************************
- * Function Name : STORAGE_GetMaxLun_FS
- * Description :
- * Input : None.
- * Output : None.
- * Return : None.
- *******************************************************************************/
- 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 */
- /**
- * @}
- */
- /**
- * @}
- */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/