Momentum-Firmware/applications/services/power/power_service/power_settings.c

#include "power_settings.h"
#include "power_settings_filename.h"

#include <saved_struct.h>
#include <storage/storage.h>

#define TAG "PowerSettings"

#define POWER_SETTINGS_VER   (1)
#define POWER_SETTINGS_MAGIC (0x21)

void power_settings_load(PowerSettings* settings) {
    furi_assert(settings);

    const bool success = saved_struct_load(
        POWER_SETTINGS_PATH,
        settings,
        sizeof(PowerSettings),
        POWER_SETTINGS_MAGIC,
        POWER_SETTINGS_VER);

    if(!success) {
        FURI_LOG_W(TAG, "Failed to load file, using defaults");
        memset(settings, 0, sizeof(PowerSettings));
        // power_settings_save(settings);
    }
}

void power_settings_save(const PowerSettings* settings) {
    furi_assert(settings);

    const bool success = saved_struct_save(
        POWER_SETTINGS_PATH,
        settings,
        sizeof(PowerSettings),
        POWER_SETTINGS_MAGIC,
        POWER_SETTINGS_VER);

    if(!success) {
        FURI_LOG_E(TAG, "Failed to save file");
    }
}