#include "fatfs.h"

#include <errno.h>
#include <stdio.h>

FRESULT f_open (
	FIL* fp,			/* Pointer to the blank file object */
	const TCHAR* path,	/* Pointer to the file name */
	BYTE mode			/* Access mode and file open mode flags */
){
	FILE* f;
	printf("mode %d\n", mode);
	if(mode & FA_READ)
		f = fopen(path, "r");
	else if(mode & FA_WRITE && mode & FA_OPEN_ALWAYS)
		f = fopen(path, "w+");
	else
		printf("Unimplemented mode");
	if(f == NULL){
		printf("errno %d\n",errno);
		return FR_NO_FILE;
	}
	*fp = f;

  return FR_OK;
}

FRESULT f_read (
	FIL* fp, 		/* Pointer to the file object */
	void* buff,		/* Pointer to data buffer */
	UINT btr,		/* Number of bytes to read */
	UINT* br		/* Pointer to number of bytes read */
){
	*br = fread(buff, 1, btr, *fp);
  return FR_OK;
}

FRESULT f_close (
	FIL *fp		/* Pointer to the file object to be closed */
){
	fclose(*fp);
  return FR_OK;
}

FRESULT f_write (
	FIL* fp,			/* Pointer to the file object */
	const void *buff,	/* Pointer to the data to be written */
	UINT btw,			/* Number of bytes to write */
	UINT* bw			/* Pointer to number of bytes written */
){
	*bw = fwrite(buff, 1, btw, *fp);
  return FR_OK;
}