JuReceiver/fs_helper.h

#include <LittleFS.h>
#include <jmutex.h>

#include "FS.h"

mutex_t littelfs_mut;

void init_little_fs() {
    mutex_init(&littelfs_mut);
    mutex_enter_blocking(&littelfs_mut);
    if (!LittleFS.begin()) {
        LittleFS.format();
        LittleFS.begin();
    }
    mutex_exit(&littelfs_mut);
}

bool fs_read(String path, void *buffer, size_t len) {
    char centerData[len];
    mutex_enter_blocking(&littelfs_mut);
    File f = LittleFS.open(path, "r");
    bool succ = false;
    if (f) {
        if (f.readBytes((char *)centerData, len) == len) {
            memmove(&buffer, &centerData, len);
            succ = true;
        }
        f.close();
    }
    mutex_exit(&littelfs_mut);
    return succ;
}

bool fs_write(String path, void *buffer, size_t len) {
    mutex_enter_blocking(&littelfs_mut);
    File f = LittleFS.open(path, "w+");
    bool succ = false;
    if (f) {
        if (f.write((const unsigned char *)buffer, len) == len) {
            succ = true;
        }
        f.close();
    }
    mutex_exit(&littelfs_mut);
    return succ;
}