Ventoy/vtoycli/fat_io_lib/release/example.c
2021-11-12 19:56:05 +08:00

88 lines
1.7 KiB
C

#include <stdio.h>
#include "fat_filelib.h"
int media_init()
{
// ...
return 1;
}
int media_read(unsigned long sector, unsigned char *buffer, unsigned long sector_count)
{
unsigned long i;
for (i=0;i<sector_count;i++)
{
// ...
// Add platform specific sector (512 bytes) read code here
//..
sector ++;
buffer += 512;
}
return 1;
}
int media_write(unsigned long sector, unsigned char *buffer, unsigned long sector_count)
{
unsigned long i;
for (i=0;i<sector_count;i++)
{
// ...
// Add platform specific sector (512 bytes) write code here
//..
sector ++;
buffer += 512;
}
return 1;
}
void main()
{
FL_FILE *file;
// Initialise media
media_init();
// Initialise File IO Library
fl_init();
// Attach media access functions to library
if (fl_attach_media(media_read, media_write) != FAT_INIT_OK)
{
printf("ERROR: Media attach failed\n");
return;
}
// List root directory
fl_listdirectory("/");
// Create File
file = fl_fopen("/file.bin", "w");
if (file)
{
// Write some data
unsigned char data[] = { 1, 2, 3, 4 };
if (fl_fwrite(data, 1, sizeof(data), file) != sizeof(data))
printf("ERROR: Write file failed\n");
}
else
printf("ERROR: Create file failed\n");
// Close file
fl_fclose(file);
// Delete File
if (fl_remove("/file.bin") < 0)
printf("ERROR: Delete file failed\n");
// List root directory
fl_listdirectory("/");
fl_shutdown();
}