/* 
  CONFIG.H - esp8266 configuration class

  Copyright (c) 2014 Luc Lebosse. All rights reserved.
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

//comment to disable
#define MDNS_FEATURE
#define PROGMEM2CHAR progmem2char

extern char * progmem2char(const char* src);
#ifndef CONFIG_h
#define CONFIG_h

#include <Arduino.h>
#include "wifi.h"
extern "C" {
#include "user_interface.h"
}
//version and sources location
#define FW_VERSION "V0.1"
#define REPOSITORY "https://github.com/luc-github/ESP8266"


//pin used to reset setting
#define RESET_CONFIG_PIN 2

//flags
#define AP_MODE					1
#define CLIENT_MODE			2
#define DHCP_MODE				1 
#define STATIC_IP_MODE		2

//position in EEPROM
//AP mode = 1; Station client mode = 2
#define EP_WIFI_MODE				0    //1 byte = flag
#define EP_SSID							1    //33 bytes 32+1 = string  ; warning does not support multibyte char like chinese
#define EP_PASSWORD				34   //65 bytes 64 +1 = string ;warning does not support multibyte char like chinese
#define EP_IP_MODE					99   //1 byte = flag
#define EP_IP_VALUE					100  //4  bytes xxx.xxx.xxx.xxx
#define EP_MASK_VALUE			104  //4  bytes xxx.xxx.xxx.xxx
#define EP_GATEWAY_VALUE		108  //4  bytes xxx.xxx.xxx.xxx
#define EP_BAUD_RATE				112  //4  bytes = int
#define EP_PHY_MODE				116  //1 byte = flag
#define EP_SLEEP_MODE			117  //1 byte = flag
#define EP_CHANNEL					118 //1 byte = flag
#define EP_AUTH_TYPE				119 //1 byte = flag
#define EP_SSID_VISIBLE			120 //1 byte = flag

//default values
#define DEFAULT_WIFI_MODE										AP_MODE
const char DEFAULT_SSID []  PROGMEM =				"ESP8266";
const char DEFAULT_PASSWORD [] PROGMEM =	"12345678";
#define DEFAULT_IP_MODE										STATIC_IP_MODE
const byte DEFAULT_IP_VALUE[]   =			{192,168,0,1};
const byte DEFAULT_MASK_VALUE[]  =	{255,255,255,0};
#define DEFAULT_GATEWAY_VALUE   						DEFAULT_IP_VALUE
const int DEFAULT_BAUD_RATE =							9600;
#ifdef MDNS_FEATURE
const char LOCAL_NAME[] PROGMEM =					"esp8266";
#endif
#define DEFAULT_PHY_MODE									PHY_MODE_11G
#define DEFAULT_SLEEP_MODE									MODEM_SLEEP_T
#define DEFAULT_CHANNEL										11
#define DEFAULT_AUTH_TYPE									AUTH_WPA_PSK
#define DEFAULT_SSID_VISIBLE									1
#define DEFAULT_MAX_CONNECTIONS						4
#define DEFAULT_BEACON_INTERVAL						100

//sizes
#define EEPROM_SIZE					256 //max is 512
#define MAX_SSID_LENGH				32
#define MAX_PASSWORD_LENGH 	64
#define IP_LENGH 							4
#define BAUD_LENGH 					4

class CONFIG
{
  public:
  static bool read_string(word pos, char byte_buffer[], word size_max);
  static bool read_buffer(word pos, byte byte_buffer[], word size_buffer);
  static bool read_byte(word pos, byte * value);
  static bool write_string(word pos, const char * byte_buffer, word size_buffer);
  static bool write_buffer(word pos, const byte * byte_buffer, word size_buffer);
  static bool write_byte(word pos, const byte value);
  static bool reset_config();
  static void print_config();
};

#endif