format.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        : FormatEx.c
Purpose     : Sample program demonstrating formatting
---------------------------END-OF-HEADER------------------------------
*/

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


/*********************************************************************
*
*             MainTask
*/
void MainTask(void);
void MainTask(void) {
  FS_FORMAT_INFO FormatInfo;

  //
  // Auto format full disk
  //
  FS_Format("", NULL);    /* Auto Format the medium */
  //
  // Format full disk, 64 kb Clusters, 32 Root directory entries
  //
  memset(&FormatInfo, 0, sizeof(FormatInfo));
  FormatInfo.NumRootDirEntries = 32;
  FormatInfo.SectorsPerCluster = 128;
  FS_Format("", &FormatInfo);    /* Format the medium */
  //
  // Format full disk, 16 kb Clusters, 32 Root directory entries
  //
  memset(&FormatInfo, 0, sizeof(FormatInfo));
  FormatInfo.NumRootDirEntries = 32;
  FormatInfo.SectorsPerCluster = 32;
  FS_Format("", &FormatInfo);    /* Format the medium */
  //
  // Format full disk, 2 kb Clusters, 32 Root directory entries
  //
  memset(&FormatInfo, 0, sizeof(FormatInfo));
  FormatInfo.NumRootDirEntries = 32;
  FormatInfo.SectorsPerCluster = 4;
  FS_IoCtl("", FS_CMD_FORMAT_EX, 0, &FormatInfo);    /* Format the medium */
  //
  // Format full disk, 512 byte clusters, 256 Root directory entries
  //
  memset(&FormatInfo, 0, sizeof(FormatInfo));
  FormatInfo.NumRootDirEntries = 256;
  FormatInfo.SectorsPerCluster = 1;
  FS_Format("", &FormatInfo);    /* Format the medium */
  //
  // Custom format:
  // Limit disk size to 512 kB.
  // 1 kb Clusters, 32 Root directory entries
  //
  if (0) {
    FS_DEV_INFO DevInfo;

    memset(&FormatInfo, 0, sizeof(FormatInfo));
    memset(&DevInfo, 0, sizeof(DevInfo));
    DevInfo.NumSectors = 1024;
    FormatInfo.pDevInfo = &DevInfo;
    FormatInfo.NumRootDirEntries = 32;
    FormatInfo.SectorsPerCluster = 2;
    FS_Format("", &FormatInfo);    /* Format the medium */
  }
}

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