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127 lines
3.2 KiB
127 lines
3.2 KiB
#pragma GCC optimize ("O2") |
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/*-----------------------------------------------------------------------*/ |
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/* |
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(c) 2017 night_ghost@ykoctpa.ru |
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based on: |
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*/ |
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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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#include "diskio.h" /* FatFs lower layer API */ |
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#include "FatFs/drivers/sd.h" |
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/* Definitions of physical drive number for each drive */ |
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#define DEV_SD 0 |
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#define DEV_NODEV 1 |
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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 nmuber to identify the drive */ |
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){ |
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switch (pdrv) { |
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case DEV_SD : |
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return sd_status(); |
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} |
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return STA_NOINIT; |
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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 nmuber to identify the drive */ |
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){ |
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switch (pdrv) { |
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case DEV_SD : |
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return sd_initialize(); |
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} |
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return STA_NOINIT; |
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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 nmuber to identify the drive */ |
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BYTE *buff, /* Data buffer to store read data */ |
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DWORD 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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switch (pdrv) { |
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case DEV_SD: |
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return sd_read(buff, sector, count); |
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} |
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return RES_PARERR; |
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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 ( |
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BYTE pdrv, /* Physical drive nmuber to identify the drive */ |
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const BYTE *buff, /* Data to be written */ |
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DWORD 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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switch (pdrv) { |
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case DEV_SD : |
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return sd_write(buff, sector, count); |
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} |
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return RES_PARERR; |
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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 ( |
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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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switch (pdrv) { |
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case DEV_SD : |
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return sd_ioctl(cmd, buff); |
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} |
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return RES_PARERR; |
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} |
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