DRESULT disk_read(BYTE drv, BYTE *buff, DWORD sector, BYTE count)
{
U8 result;
DRESULT res = RES_ERROR;
U32 addr, len;
if(sdMed.blockSize < SECTOR_SIZE_DEFAULT)
{
addr = sector * (SECTOR_SIZE_DEFAULT / sdMed.blockSize);
len = count * (SECTOR_SIZE_DEFAULT / sdMed.blockSize);
}
else
{
addr = sector;
len = count;
}
result = MEDIA_Read(addr, (void*)buff, len, NULL, NULL);
if( result == MED_STATUS_SUCCESS )
{
res = RES_OK;
}
else
{
TRACE_ERR("MED_Read pb: 0x%X", result);
res = RES_ERROR;
}
return res;
}
/**
* @brief Reads Sector(s)
* @param lun : not used
* @param *buff: Data buffer to store read data
* @param sector: Sector address (LBA)
* @param count: Number of sectors to read (1..128)
* @retval DRESULT: Operation result
*/
DRESULT PPP_read(BYTE lun, BYTE *buff, DWORD sector, UINT count)
{
DRESULT res = RES_OK;
if(MEDIA_Read((uint32_t*)buff,
sector,
count) != PPP_OK)
{
res = RES_ERROR;
}
return res;
}
