add drive to access an area on emmc/sd as disk

This commit is contained in:
Christoph Baumann
2025-04-27 01:05:09 +02:00
parent 0be3fd4f64
commit 31c8ad0d88
5 changed files with 66 additions and 3 deletions

View File

@@ -16,6 +16,7 @@
#include <libs/fatfs/diskio.h> /* FatFs lower layer API */
#include <fatfs_cfg.h>
#include "../../storage/sfd.h"
static u32 sd_rsvd_sectors = 0;
static u32 ramdisk_sectors = 0;
@@ -35,6 +36,7 @@ static bool ensure_partition(BYTE pdrv){
case DRIVE_RAM:
case DRIVE_BIS:
case DRIVE_EMU:
case DRIVE_SFD:
return true;
default:
return false;
@@ -96,6 +98,8 @@ DRESULT disk_read (
return sdmmc_storage_read(&emmc_storage, sector + (0x100000 / 512), count, buff) ? RES_OK : RES_ERROR;
case DRIVE_BOOT1:
return sdmmc_storage_read(&emmc_storage, sector, count, buff) ? RES_OK : RES_ERROR;
case DRIVE_SFD:
return sfd_read(sector, count ,buff) ? RES_OK : RES_ERROR;
}
return RES_ERROR;
@@ -130,6 +134,8 @@ DRESULT disk_write (
return sdmmc_storage_write(&emmc_storage, sector + (0x100000 / 512), count, (void*)buff) ? RES_OK : RES_ERROR;
case DRIVE_BOOT1:
return sdmmc_storage_write(&emmc_storage, sector, count, (void*)buff) ? RES_OK : RES_ERROR;
case DRIVE_SFD:
return sfd_write(sector, count, (void*)buff) ? RES_OK : RES_ERROR;
}
return RES_ERROR;