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Rename sd_utils to fs_utils, etc

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This commit is contained in:
TuxSH 2018-05-13 23:49:50 +02:00
parent a3792d94dc
commit 8df624a10d
12 changed files with 34 additions and 34 deletions
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36
fusee/fusee-primary/src/fs_utils.c Normal file
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@ -0,0 +1,36 @@
#include "fs_utils.h"
#include "hwinit.h"
#include "sdmmc.h"
#include "lib/printk.h"
#include "lib/fatfs/ff.h"
FATFS sd_fs;
static int mounted_sd = 0;
int mount_sd(void) {
if (mounted_sd) {
return 1;
}
if (f_mount(&sd_fs, "", 1) == FR_OK) {
printk("Mounted SD card!\n");
mounted_sd = 1;
}
return mounted_sd;
}
size_t read_from_file(void *dst, size_t dst_size, const char *filename) {
if (!mounted_sd && mount_sd() == 0) {
return 0;
}
FIL f;
if (f_open(&f, filename, FA_READ) != FR_OK) {
return 0;
}
UINT br;
int res = f_read(&f, dst, dst_size, &br);
f_close(&f);
return res == FR_OK ? (int)br : 0;
}