mirror of
https://github.com/Atmosphere-NX/Atmosphere
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37 lines
700 B
C
37 lines
700 B
C
#include "sd_utils.h"
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#include "hwinit.h"
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#include "sdmmc.h"
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#include "lib/printk.h"
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#include "lib/fatfs/ff.h"
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FATFS sd_fs;
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static int mounted_sd = 0;
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int mount_sd(void) {
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if (mounted_sd) {
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return 1;
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}
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if (f_mount(&sd_fs, "", 1) == FR_OK) {
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printk("Mounted SD card!\n");
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mounted_sd = 1;
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}
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return mounted_sd;
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}
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size_t read_sd_file(void *dst, size_t dst_size, const char *filename) {
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if (!mounted_sd && mount_sd() == 0) {
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return 0;
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}
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FIL f;
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if (f_open(&f, filename, FA_READ) != FR_OK) {
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return 0;
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}
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UINT br;
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int res = f_read(&f, dst, dst_size, &br);
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f_close(&f);
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return res == FR_OK ? (int)br : 0;
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}
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