/**
  ******************************************************************************
  * @file    iot_flash_config.h
  * @author  MCD Application Team
  * @version V1.0.1
  * @date    12-April-2017
  * @brief   Header for configuration
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V. 
  * All rights reserved.</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without 
  * modification, are permitted, provided that the following conditions are met:
  *
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  *    this list of conditions and the following disclaimer.
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  *    this list of conditions and the following disclaimer in the documentation
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  *    contributors to this software may be used to endorse or promote products 
  *    derived from this software without specific written permission.
  * 4. This software, including modifications and/or derivative works of this 
  *    software, must execute solely and exclusively on microcontroller or
  *    microprocessor devices manufactured by or for STMicroelectronics.
  * 5. Redistribution and use of this software other than as permitted under 
  *    this license is void and will automatically terminate your rights under 
  *    this license. 
  *
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  * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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  ******************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __iot_flash_config_H
#define __iot_flash_config_H
#ifdef __cplusplus
 extern "C" {
#endif

#define USER_CONF_WIFI_SSID_MAX_LENGTH  32
#define USER_CONF_WIFI_PSK_MAX_LENGTH   64  
#define USER_CONF_DEVICE_NAME_LENGTH    32
#define USER_CONF_DEVICE_SECRET_LENGTH  128
#define USER_CONF_PRODUCT_KEY_LENGTH    32
#define USER_CONF_REGION_ID_LENGTH    32
#define USER_CONF_MAGIC                 0x0123456789ABCDEFuLL


   
typedef struct {
  uint64_t magic;                             /**< The USER_CONF_MAGIC magic word signals that the structure was once written to FLASH. */
  char ssid[USER_CONF_WIFI_SSID_MAX_LENGTH];  /**< Wifi network SSID. */
  char psk[USER_CONF_WIFI_PSK_MAX_LENGTH];    /**< Wifi network PSK. */
  uint8_t security_mode;                      /**< Wifi network security mode. See @ref wifi_network_security_t definition. */
} wifi_config_t;

typedef struct {
  uint64_t magic;                             /**< The USER_CONF_MAGIC magic word signals that the structure was once written to FLASH. */
  char product_key[USER_CONF_PRODUCT_KEY_LENGTH];
  char device_name[USER_CONF_DEVICE_NAME_LENGTH];
  char device_secret[USER_CONF_DEVICE_SECRET_LENGTH];
  char region_id[USER_CONF_REGION_ID_LENGTH];
} iot_config_t;
 
typedef struct {
  uint64_t magic;                             /**< The USER_CONF_MAGIC magic word signals that the structure was once written to FLASH. */
  int8_t temprature_threshold; 
}app_config_t;
/** Static user configuration data which must survive reboot and firmware update. */
typedef struct {
  wifi_config_t wifi_config;
  iot_config_t iot_config;
  app_config_t app_config;
} user_config_t;


   
int checkWiFiCredentials(const char ** const ssid, const char ** const psk, uint8_t * const security_mode);
int updateWiFiCredentials(const char ** const ssid, const char ** const psk, uint8_t * const security_mode);
int updateTLSKeys(void);
int getTLSKeys(const char ** const ca_cert, const char ** const device_cert, const char ** const private_key);
int checkTLSCredentials(void);
int updateDeviceConfig(void);
int getServerAddress(const char ** const address);
int getDeviceName(const char ** const name);
int checkDeviceConfig(void);
int getRegionId(const char ** const address);
int getProductKey(const char ** const address);
int getDeviceName(const char ** const name);
int getDeviceSecret(const char ** const name);
int updateTempThreshold(int8_t value);
int getTempThresholdInFlash(int8_t * threshold_p);


#ifdef __cplusplus
}
#endif
#endif /* __iot_flash_config_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
