setupwifi2

*/
/*

char auth[] = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; //valid auth
char ssid[] = "aaaaaaaa";   // default ssid
char pass[] = "bbbbbbbbbbbb"; // default pass
*/
char auth[] = "6a9442c5d30d4e83a7d5c2xxxxxxxxx"; //valid auth
char ssid[] = "aaa";
char pass[] = "12345678";

char t_auth[] = "77778888999911112222333344445555"; // declare same 32 char
char t_ssid[] = "same AP name 123456789"; // declare
char t_pass[] = "same AP password 123456789"; // declare

#define BLYNK_PRINT Serial
#include <ESP8266_Lib.h>
#include <BlynkSimpleShieldEsp8266.h>
#include <EEPROM.h>

#define EspSerial Serial // Set ESP8266 Serial object
ESP8266 wifi(&EspSerial);


WidgetTerminal terminal(V15);

const int SW_pin = 8; //Working mode switch. HIGH = default WiFi. LOW = castom WiFi

String      y_ssid = "";
String      y_pass = "";
String      y_auth = "";
int wpis = 0;
int dl_i = 0;
int dl_j = 0;
int dl_k = 0;
BLYNK_WRITE(V15)
{
  String  coscos = param.asStr(); // string from terminal
  switch (wpis)
  {
    case 1:
      y_auth = coscos;  //from terminal
      dl_i = y_auth.length() + 1;  //change string to char[]
      y_auth.toCharArray(t_auth, dl_i); //change string to char[]
      break;

    case 2:
      y_ssid = coscos;
      dl_j = y_ssid.length() + 1;
      y_ssid.toCharArray(t_ssid, dl_j);
      break;

    case 3:
      y_pass = coscos;
      dl_k = y_pass.length() + 1;
      y_pass.toCharArray(t_pass, dl_k);
      break;
    default: ;
  }
}



BLYNK_WRITE(V17) //button SETUP
{
  String coscos;
  int klawin = param.asInt(); //klaw SETUP
  if (klawin == 1) {
    wpis = wpis + 1;
    if ((wpis > 4) || (wpis < 1)) {
      wpis = 1;
    }
 switch (wpis)
  {
    case 1:
      terminal.println("print your auth: ");
      terminal.flush();
      break;

    case 2:
      terminal.println("print your ssid: ");
      terminal.flush();
      break;

    case 3:
      terminal.println("print your pass: ");
      terminal.flush();
       break;

    case 4:
      terminal.print("your auth: ");
      terminal.println(t_auth);
      terminal.print("your ssid: ");
      terminal.println(t_ssid);
      terminal.print("your pass: ");
      terminal.println(t_pass);
      terminal.println("data wifi OK ?");
      terminal.flush();
      break;
    default: ;
  }
  }

}

BLYNK_WRITE(V18)
{
  int klawplus = param.asInt();
  if (klawplus == 1) {
    terminal.println("**** DEF ****");
    terminal.print("auth: ");
    terminal.println(auth);
    terminal.print("ssid: ");
    terminal.println(ssid);
    terminal.print("pass: ");
    terminal.println(pass);
    terminal.println("********");
    terminal.flush();
  }
}

BLYNK_WRITE(V19)
{
  int klawminus = param.asInt();
  if (klawminus == 1) {
    terminal.println("**** SET ****");
    terminal.print("your_auth: ");
    terminal.println(t_auth);
    terminal.print("your_ssid: ");
    terminal.println(t_ssid);
    terminal.print("your_pass: ");
    terminal.println(t_pass);
    terminal.println("********");
    terminal.flush();
  }

}

BLYNK_WRITE(V20) //button OK
{
  int klawok = param.asInt();
  if (klawok == 1) {

    int eeAddr = 0;
    EEPROM.put(eeAddr, auth); //................................auth not change

    eeAddr = 50;
    EEPROM.put(eeAddr, t_ssid);

    eeAddr = 100;
    EEPROM.put(eeAddr, t_pass);

    terminal.println("save new WiFi data");
    terminal.flush();

  }
}


BLYNK_WRITE(V21) // button READ for test only
{
  int  klawread = param.asInt();
  if (klawread == 1) {

    int eeAddr = 0;
    EEPROM.get(eeAddr, t_auth);

    eeAddr = 50;
    EEPROM.get(eeAddr, t_ssid);

    eeAddr = 100;
    EEPROM.get(eeAddr, t_pass);

    terminal.print("your data from ee ");
    terminal.println(t_auth);
    terminal.println(t_ssid);
    terminal.println(t_pass);
    terminal.flush();
  }
}

void wyborwifi() // choice wifi setup data after reset - SW_pin = HIGH > default wifi, LOW > new setup wifi
{
  pinMode(SW_pin, INPUT_PULLUP);

  int m = digitalRead(SW_pin);
  if (m == 0) {

    int eeAddr = 0;
    EEPROM.get(eeAddr, t_auth);

    eeAddr = 50;
    EEPROM.get(eeAddr, t_ssid);

    eeAddr = 100;
    EEPROM.get(eeAddr, t_pass);

    Blynk.begin(t_auth, wifi, t_ssid, t_pass);
  }
  else
  {
    Blynk.begin(auth, wifi, ssid, pass);
  }

}

//+++++++++++++++++++++++++++++++++++++++++++++++++++   setup

void setup() {

  Serial.begin(115200);  // Set console baud rate
  EspSerial.begin(115200);  // Set ESP8266 baud rate

  wyborwifi();

  Serial.println("Arduino.cc 1.6.9"); //  Arduino.org  doesn't have  EEPROM.get i EEPROM.put functions
}

void loop() {
  Blynk.run();
}