void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) {
FRESULT err;
unsigned long clusters;
unsigned long long total = 0;
FATFS *fsp;
(void)argv;
if (argc > 0) {
SHELLDBG("Usage: tree\r\n");
return;
}
if (!fs_ready) {
SHELLDBG("File System not mounted\r\n");
return;
}
err = f_getfree("/", &clusters, &fsp);
if (err != FR_OK) {
err = f_getfree("/", &clusters, &fsp);
if (err != FR_OK) {
SHELLDBG("FS: f_getfree() failed. FRESULT: %d\r\n", err);
return;
}
}
SHELLDBG("FS: %lu free clusters, %lu sectors per cluster, %lu bytes free.\r\n",
clusters, (uint32_t)SDC_FS.csize,
total);
fbuff[0] = 0;
sdc_scan_files(chp, (char *)fbuff);
}
/*! \brief used in cmd_tree function
*
* Find files on sd card.
*/
FRESULT sdc_scan_files(BaseSequentialStream *chp, char *path) {
FRESULT res;
FILINFO fno;
DIR dir;
int i;
char *fn;
#if _USE_LFN
fno.lfname = 0;
fno.lfsize = 0;
#endif
res = f_opendir(&dir, path);
if (res == FR_OK) {
i = strlen(path);
for (;;) {
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
break;
if (fno.fname[0] == '.')
continue;
fn = fno.fname;
if (fno.fattrib & AM_DIR) {
path[i++] = '/';
strcpy(&path[i], fn);
res = sdc_scan_files(chp, path);
if (res != FR_OK)
break;
path[--i] = 0;
}
else {
SDCDEBUG("%s/%s\r\n", path, fn);
}
}
}
return res;
}
