DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
DRESULT res;
int result;
switch (drv) {
case ATA :
result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case MMC :
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case USB :
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..128) */
)
{
DRESULT res;
int result;
switch (drv) {
#ifdef PAKAI_ATA
case ATA :
// translate the arguments here
result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
return res;
#endif
#ifdef PAKAI_MMC
case MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
#endif
#ifdef PAKAI_USB_STORAGE
case USB :
// translate the arguments here
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
#endif
case SDC :
return res;
case ROM :
return res;
}
return RES_PARERR;
}
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to read */
)
{
DRESULT res = RES_OK;
int result;
#if 0
switch (pdrv) {
case ATA :
// translate the arguments here
result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case USB :
// translate the arguments here
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
#else
result = (g_tFatDrvs[pdrv].DrvRead)(buff, sector, count);
if(0 == result)
return res; // 成功
#endif
return RES_PARERR;
}
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to read */
)
{
DRESULT res;
int result;
switch (pdrv) {
case ATA :
// translate the arguments here
result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case USB :
// translate the arguments here
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
}
DRESULT disk_read_fs (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
DWORD count /* Number of sectors to read (1..128) */
)
{
#ifndef CONFIG_ALLWINNER
DRESULT res;
#endif
int result;
unsigned int start_block;
#ifndef CONFIG_ALLWINNER
switch (pdrv) {
case ATA :
// translate the arguments here
result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case USB :
// translate the arguments here
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
#else
// result = sunxi_test_mmc_read(sector+0x12000, count, buff);
start_block = sunxi_partition_get_offset_byname(PART_NAME[pdrv]);
if (!start_block)
{
printf("[disk_read_fs] no the partition\n");
return RES_ERROR;
}
// printf("read part %s\n", PART_NAME[pdrv]);
// result = sunxi_test_nand_read((unsigned int)(sector+start_block),(unsigned int)count,buff);
result = sunxi_flash_read(sector+start_block,count, buff);
if(!result)
{
printf("read all error: start=%lx, addr=0x%x count=0x%x\n", sector, (unsigned int)buff,(unsigned int)count);
return 1;
}
return RES_OK;
#endif
}
