vtoycli/fat_io_lib/release/example.c

   1 #include <stdio.h>
   2 #include "fat_filelib.h"
   3
   4 int media_init()
   5 {
   6     // ...
   7     return 1;
   8 }
   9
  10 int media_read(unsigned long sector, unsigned char *buffer, unsigned long sector_count)
  11 {
  12     unsigned long i;
  13
  14     for (i=0;i<sector_count;i++)
  15     {
  16         // ...
  17         // Add platform specific sector (512 bytes) read code here
  18         //..
  19
  20         sector ++;
  21         buffer += 512;
  22     }
  23
  24     return 1;
  25 }
  26
  27 int media_write(unsigned long sector, unsigned char *buffer, unsigned long sector_count)
  28 {
  29     unsigned long i;
  30
  31     for (i=0;i<sector_count;i++)
  32     {
  33         // ...
  34         // Add platform specific sector (512 bytes) write code here
  35         //..
  36
  37         sector ++;
  38         buffer += 512;
  39     }
  40
  41     return 1;
  42 }
  43
  44 void main()
  45 {
  46     FL_FILE *file;
  47
  48     // Initialise media
  49     media_init();
  50
  51     // Initialise File IO Library
  52     fl_init();
  53
  54     // Attach media access functions to library
  55     if (fl_attach_media(media_read, media_write) != FAT_INIT_OK)
  56     {
  57         printf("ERROR: Media attach failed\n");
  58         return;
  59     }
  60
  61     // List root directory
  62     fl_listdirectory("/");
  63
  64     // Create File
  65     file = fl_fopen("/file.bin", "w");
  66     if (file)
  67     {
  68         // Write some data
  69         unsigned char data[] = { 1, 2, 3, 4 };
  70         if (fl_fwrite(data, 1, sizeof(data), file) != sizeof(data))
  71             printf("ERROR: Write file failed\n");
  72     }
  73     else
  74         printf("ERROR: Create file failed\n");
  75
  76     // Close file
  77     fl_fclose(file);
  78
  79     // Delete File
  80     if (fl_remove("/file.bin") < 0)
  81         printf("ERROR: Delete file failed\n");
  82
  83     // List root directory
  84     fl_listdirectory("/");
  85
  86     fl_shutdown();
  87 }