FAT16 library written for an ATmega project with SD card
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c-fat16/main.c

107 lines
1.5 KiB

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "fat16.h"
// ------------- test ----------------
BLOCKDEV test;
FILE* testf;
void test_seek(const uint32_t pos)
{
fseek(testf, pos, SEEK_SET);
}
void test_rseek(const int16_t pos)
{
fseek(testf, pos, SEEK_CUR);
}
void test_load(void* dest, const uint16_t len)
{
fread(dest, len, 1, testf);
// for (int a = 0; a < len; a++) {
// fread(dest+a, 1, 1, testf);
// }
}
void test_store(const void* source, const uint16_t len)
{
fwrite(source, len, 1, testf);
// for (int a = 0; a < len; a++) {
// fwrite(source+a, 1, 1, testf);
// }
}
void test_write(const uint8_t b)
{
fwrite(&b, 1, 1, testf);
}
uint8_t test_read()
{
uint8_t a;
fread(&a, 1, 1, testf);
return a;
}
void test_open()
{
test.read = &test_read;
test.write = &test_write;
test.load = &test_load;
test.store = &test_store;
test.seek = &test_seek;
test.rseek = &test_rseek;
testf = fopen("imgs/hamlet.img", "rb+");
}
void test_close()
{
fflush(testf);
fclose(testf);
}
// --- testing ---
int main()
{
test_open();
// Initialize the FS
FAT16 fat;
fat16_init(&test, &fat);
FAT16_FILE file;
fat16_root(&fat, &file);
char str[12];
printf("Disk label: %s\n", fat16_disk_label(&fat, str));
do
{
if (!fat16_is_file_valid(&file)) continue;
printf("File name: %s, %c, %d B, @ 0x%x\n",
fat16_dispname(&file, str),
file.type, file.size, file.clu_start);
}
while (fat16_next(&file));
test_close();
return 0;
}