Yeah, I'm using that example, and already tried the f_getfree code, which don't work( got both 0 size)
I also tried to use 1: or 2: instead of 0: in f_getfree, they would make the program crash.

Any ideas?

Thanks for replying.


https://sourcegraph.com/github.com/espressif/esp-idf/-/blob ...

Are you using this
https://sourcegraph.com/github.com/espressif/esp-idf/-/blob/examples/storage/sd_card/sdspi/main/sd_card_example_main.c
example

try this
int file_space()
{
FATFS *fs;
DWORD fre_clust, fre_sect, tot_sect;
/* Get volume information and free clusters of drive 0 */
int res = f ...

This works please look the attached file

[/#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event_loop.h"
#include "esp_log.h"
#include "nvs_flash.h"

#include "lwip/err.h"
#include "lwip/sys.h"

#define EXAMPLE_ESP ...