/**
  ******************************************************************************
  * @file    iot_flash_config.h
  * @author  MCD Application Team
  * @version V1.1.0
  * @date    04-September-2017
  * @brief   Header for configuration
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
  * All rights reserved.</center></h2>
  *
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  *
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  *    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
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  */

#ifndef __iot_flash_config_H
#define __iot_flash_config_H
#ifdef __cplusplus
 extern "C" {
#endif

#include <stdint.h>
#include <stdlib.h>

#define USER_CONF_WIFI_SSID_MAX_LENGTH  32
#define USER_CONF_WIFI_PSK_MAX_LENGTH   64

#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;


 
/** Static user configuration data which must survive reboot and firmware update.
 * Do not change the field order, due to firewall constraint the tls_device_key size must be placed at a 64 bit boundary.
 * Its size sould also be multiple of 64 bits.
 *
 * Depending on the available board peripherals, the c2c_config and wifi_config fields may not be used.
 */
typedef struct {
  wifi_config_t wifi_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 getInputString(char *inputString, size_t len);

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

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

