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STM32F070RB USB MSC on internal Flash can not format

Greeting_to_you
Associate II

Hello,everybody Nice to meet you,My trouble is "STM32F070RB USB MSC on internal Flash can not format " ..I have try some idea in community but did not help,so I decided to ask for help,Here are my code on usbd_storage_if.c.

Thank you so much !

#define STORAGE_LUN_NBR                  1
#define STORAGE_BLK_NBR                  128
#define STORAGE_BLK_SIZ                  0x200
 
/* USER CODE BEGIN PRIVATE_DEFINES */
#define     FLASH_START_ADDR        0x08010000   
#define     FLASH_PAGE_NBR               32
uint8_t cache[STORAGE_BLK_SIZ];
FLASH_EraseInitTypeDef USB_ZONE;
 
/* 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 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 */
  HAL_FLASH_Unlock();
  USB_ZONE.TypeErase        =     FLASH_TYPEERASE_PAGES;
  USB_ZONE.PageAddress   =     FLASH_START_ADDR  ;
  USB_ZONE.NbPages           =     FLASH_PAGE_NBR;
   uint32_t PageError = 0;
	HAL_FLASHEx_Erase(&USB_ZONE, &PageError);
  printf("---------------------Earse Flash Finish------------------------\n");
  HAL_FLASH_Lock(); 
  return (USBD_OK);
  /* 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 */
  return (USBD_OK);
  /* 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 */
  uint32_t n,i,ADDRESS;
  ADDRESS = FLASH_START_ADDR+(blk_addr*STORAGE_BLK_SIZ);
  memcpy(buf,(uint8_t*)ADDRESS,blk_len*STORAGE_BLK_SIZ);
  return (USBD_OK);
  /* 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 */
  
  HAL_FLASH_Unlock();
 
uint32_t n,i,ADDRESS,addr;
uint16_t data;
ADDRESS = FLASH_START_ADDR+(blk_addr*STORAGE_BLK_SIZ);
  
  for(i = 0;i<blk_len*STORAGE_BLK_SIZ;i+=2){
    data = buf[i]<<8 | buf[i+1];
    HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD,
                      ADDRESS+i, 
                      data);
 }
  HAL_FLASH_Lock();
  return (USBD_OK);
 
  /* 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 */
}

 my CubeMX configuration

0690X00000888T9QAI.png

10 REPLIES 10
David.Cheng
Associate II

EVERY block erase two pages works for me