fs.c

 
#include <stdio.h>
#include "fs.h"
#include "mmc_driver.h"
 
 
/***============================================================================================================================
 * Private variables definitions
 * These variables are only accessible from within the file's scope
 *=============================================================================================================================*/
 
static fs_s this = FS_DEFAULT;
static FATFS _fatfs;
static TCHAR _path[4];
 
 
/***============================================================================================================================
 * Public functions definitions
 * These functions can be accessed outside of the file's scope
 * @see DMX512_chaser.h for declarations
 *=============================================================================================================================*/
 
fs_err_e fs_init(void){
 
    fs_err_e err = FS_OK;
 
    mmc_init();
 
    this._link_status = FATFS_LinkDriver(&SD_Driver, (char *)_path);
 
    if(this._mount_status == FS_MOUNTED){
        err = FS_OK;
    }else if(this._link_status == FS_LINKSTATUS_UNLINKED){
        err = FS_CANNOT_LINK_SD;
    }else if(f_mount(&_fatfs, _path, 0) != FR_OK){
        err = FS_CANNOT_MOUNT_SD;
    }else{
        this._mount_status = FS_MOUNTED;
    }
 
    return err;
 
}
 
fs_mount_status_e fs_get_mount_status(void){
    return this._mount_status;
}