111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2019 */
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/*-----------------------------------------------------------------------*/
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/* If a working storage control module is available, it should be */
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/* attached to the FatFs via a glue function rather than modifying it. */
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/* This is an example of glue functions to attach various exsisting */
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/* storage control modules to the FatFs module with a defined API. */
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/*-----------------------------------------------------------------------*/
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#include "ff.h" /* Obtains integer types */
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#include "diskio.h" /* Declarations of disk functions */
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#include <switch.h>
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#include "utils.h"
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/*-----------------------------------------------------------------------*/
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/* Get Drive Status */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_status (
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BYTE pdrv /* Physical drive number to identify the drive */
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)
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{
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(void)pdrv;
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return 0;
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}
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/*-----------------------------------------------------------------------*/
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/* Inidialize a Drive */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_initialize (
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BYTE pdrv /* Physical drive number to identify the drive */
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)
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{
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(void)pdrv;
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return 0;
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}
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/*-----------------------------------------------------------------------*/
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/* Read Sector(s) */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_read (
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BYTE pdrv, /* Physical drive number to identify the drive */
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BYTE *buff, /* Data buffer to store read data */
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LBA_t sector, /* Start sector in LBA */
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UINT count /* Number of sectors to read */
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)
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{
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(void)pdrv;
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Result rc = 0;
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u64 start_offset = ((u64)FF_MAX_SS * (u64)sector);
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u64 read_size = ((u64)FF_MAX_SS * (u64)count);
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rc = fsStorageRead(utilsGetEmmcBisSystemPartitionStorage(), start_offset, buff, read_size);
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return (R_SUCCEEDED(rc) ? RES_OK : RES_ERROR);
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}
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/*-----------------------------------------------------------------------*/
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/* Write Sector(s) */
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/*-----------------------------------------------------------------------*/
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#if FF_FS_READONLY == 0
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DRESULT disk_write (
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BYTE pdrv, /* Physical drive number to identify the drive */
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const BYTE *buff, /* Data to be written */
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LBA_t sector, /* Start sector in LBA */
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UINT count /* Number of sectors to write */
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)
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{
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(void)pdrv;
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(void)buff;
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(void)sector;
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(void)count;
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return RES_OK;
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}
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#endif
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/*-----------------------------------------------------------------------*/
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/* Miscellaneous Functions */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_ioctl (
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BYTE pdrv, /* Physical drive nmuber (0..) */
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BYTE cmd, /* Control code */
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void *buff /* Buffer to send/receive control data */
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)
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{
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(void)pdrv;
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(void)cmd;
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(void)buff;
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return RES_OK;
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}
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