/**
 * @file    bsp_flash.h
 * @brief   Flash storage driver for saving settings
 */

#ifndef __BSP_FLASH_H
#define __BSP_FLASH_H

#include <stdint.h>
#include <stdbool.h>

/* Settings structure - stored in Flash */
typedef struct {
    float fan_threshold;   // Temperature threshold
    uint8_t fan_mode;      // Fan mode: 0=manual, 1=auto
    uint8_t light_state;   // Light state: 0=off, 1=on
    uint8_t valid;         // Valid flag (0xAA = valid)
} system_settings_t;

#define SETTINGS_VALID_FLAG  0xAA
#define SETTINGS_ADDR        0x0801F800  // Last page of 64KB Flash

/* Exported functions ---------------------------------------------------------*/

/**
 * @brief  Load settings from Flash
 * @return true if valid settings found
 */
bool BSP_Flash_LoadSettings(system_settings_t *settings);

/**
 * @brief  Save settings to Flash
 * @return true if success
 */
bool BSP_Flash_SaveSettings(const system_settings_t *settings);

/**
 * @brief  Reset settings to default
 */
void BSP_Flash_ResetSettings(void);

#endif