in read /write operation  blk_addr, blk_len alway it shows zero value.

in read and write functions what i need to write to formate my device [total 256 pages,each page 2k 512kb= flash memory]i am using page 6 so i am formating page6 is it enough to formate myy device or completly formate my device memoryinit_fs(){ E...

in my computer shows my device if click on it it is asking to formate if i click on formate it shows windows was unable to complete the formateSCSI_Write10();while excuting this function above problem came.

static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params){ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef*)pdev->pClassData;    uint16_t blk_size; uint32_t blk_nbr; uint16_t i;   for(i=0 ; i < 12 ; ...

it is detecting as device but asking to formate the device in my computerint8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev,              uint8_t lun,               uint8_t *params){   switch (params[0]) { case SCSI_TEST_UNIT_READY:  return SCSI_TestUni...