cc74572c5b
Adds the diskio interface for the FAT file system. This revision uses RAM to emulate disk storage. Origin: Original Jira: ZEP-285 Change-Id: I7a30c8761d5ed9b564f1d1e08482c5ef199d7372 Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
75 lines
3.2 KiB
C
75 lines
3.2 KiB
C
/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2016 */
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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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/*----------------------------------------------------------------------------/
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/ FatFs - Generic FAT file system module R0.12a /
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/-----------------------------------------------------------------------------/
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/
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/ Copyright (C) 2016, ChaN, all right reserved.
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/
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/ FatFs module is an open source software. Redistribution and use of FatFs in
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/ source and binary forms, with or without modification, are permitted provided
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/ that the following condition is met:
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/ 1. Redistributions of source code must retain the above copyright notice,
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/ this condition and the following disclaimer.
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/
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/ This software is provided by the copyright holder and contributors "AS IS"
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/ and any warranties related to this software are DISCLAIMED.
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/ The copyright owner or contributors be NOT LIABLE for any damages caused
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/ by use of this software.
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/----------------------------------------------------------------------------*/
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#include <diskio.h> /* FatFs lower layer API */
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#include <fs/fat_diskio.h>
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/*-----------------------------------------------------------------------*/
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/* Get Drive Status */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_status(uint8_t pdrv)
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{
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return fat_disk_status();
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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(uint8_t pdrv)
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{
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return fat_disk_initialize();
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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(uint8_t pdrv, uint8_t *buff, unsigned long sector,
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uint32_t count)
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{
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return fat_disk_read(buff, sector, count);
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}
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/*-----------------------------------------------------------------------*/
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/* Write Sector(s) */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_write(uint8_t pdrv,
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const uint8_t *buff, unsigned long sector, uint32_t count)
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{
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return fat_disk_write(buff, sector, count);
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}
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/*-----------------------------------------------------------------------*/
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/* Miscellaneous Functions */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_ioctl(uint8_t pdrv, uint8_t cmd, void *buff)
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{
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return fat_disk_ioctl(cmd, buff);
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}
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