DRESULT disk_readp (
void* dest, /* Pointer to the destination object */
DWORD sector, /* Sector number (LBA) */
WORD sofs, /* Offset in the sector */
WORD count /* Byte count (bit15:destination) */
)
{
DRESULT ErrorCode = RES_OK;
uint8_t BlockTemp[512];
if (USB_CurrentMode == USB_MODE_HOST)
{
#if defined(USB_CAN_BE_HOST)
if (USB_HostState != HOST_STATE_Configured)
ErrorCode = RES_NOTRDY;
else if (MS_Host_ReadDeviceBlocks(&DiskHost_MS_Interface, 0, sector, 1, 512, BlockTemp))
ErrorCode = RES_ERROR;
#endif
}
else
{
#if defined(USB_CAN_BE_DEVICE)
DataflashManager_ReadBlocks_RAM(sector, 1, BlockTemp);
#endif
}
memcpy(dest, &BlockTemp[sofs], count);
return ErrorCode;
}
DRESULT disk_read (
BYTE drv, /* Physical drive number (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
DataflashManager_ReadBlocks_RAM(sector, count, buff);
return RES_OK;
}
DRESULT disk_readp (
void* dest, /* Pointer to the destination object */
DWORD sector, /* Sector number (LBA) */
WORD sofs, /* Offset in the sector */
WORD count /* Byte count (bit15:destination) */
)
{
DRESULT res;
uint8_t BlockTemp[512];
DataflashManager_ReadBlocks_RAM(sector, 1, BlockTemp);
memcpy(dest, &BlockTemp[sofs], count);
res = RES_OK;
return res;
}