flashdiskstart.c

嵌入式文件系统 ucfs.包含全部源代码

/*
**********************************************************************
*                          Micrium, Inc.
*                      949 Crestview Circle
*                     Weston,  FL 33327-1848
*
*                            uC/FS
*
*             (c) Copyright 2001 - 2003, Micrium, Inc.
*                      All rights reserved.
*
***********************************************************************

----------------------------------------------------------------------
File        : Flash_Sample.c
Purpose     : Sample program for using the file system with Flash driver
---------------------------END-OF-HEADER------------------------------
*/

#include "fs_api.h"
#include <stdio.h>

/*********************************************************************
*
*             Global functions
*
**********************************************************************
*/
void MainTask(void);

void MainTask(void) {
  /* buffers used to read and write to file */
  char acWriteText[20] = "Hello World";
  char acReadText[20];
  FS_FILE* pFile;

  if (FS_IoCtl("flash:", FS_CMD_REQUIRES_FORMAT, 0, 0)) {
    FS_FormatLow("flash:");  /* Erase & Low-level  format the flash */
    FS_Format("flash:", NULL);       /* High-level format the flash */
  }
  /* Now Flash is ready to be used with file system */
  pFile = FS_FOpen("flash:\\hello.txt", "w+"); /* open a file for read/write */
  FS_FWrite(acWriteText, 1, sizeof(acWriteText), pFile);   /* write to file */
  FS_FSeek(pFile, 0, FS_SEEK_SET);                         /* set file position to 0 */
  FS_FRead(acReadText, 1, sizeof(acReadText), pFile);      /* read the file */
  FS_X_Log("This text was written to flash:\\hello.txt: \n");
  FS_X_Log(acReadText);
  FS_FClose(pFile);                                        /* Close the file */
}

/*************************** End of file ****************************/