Another smart home (or how to lose 2 months because of one stupid mistake)

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
#include <PubSubClient.h>

#define RELEPIN 4

const char *ssid_ap = "Rozetka_Setup";  //   
const char *password_ap = "12345678";  //   
const char *ID = "rele_1";

String ssid = "";  // wifi
String password = "";  // wifi
String device_id; // ID 
bool setup_mode; // true -   , false -   
bool rele;

String auto_name = "example";
int auto_data = 10;
int auto_oper = 0;
bool auto_stat = false;// false -  , true - 
bool auto_mode = false; //false - , true - 

const char *mqtt_server = "M5.WQTT.RU"; //   MQTT
const int mqtt_port = 2602; //      MQTT
const char *mqtt_user = "u_RSELYN"; //   a
const char *mqtt_pass = "bhbtIJue"; //   

String names[10];//   
String znach[10];//    
int data[10];//   
int lng = 0;// 


IPAddress local_ip(192, 168, 1, 1);
IPAddress gateway(192, 168, 1, 1);
IPAddress subnet(255, 255, 255, 0);

IPAddress local_ip_2(192, 168, 0, 250);
IPAddress gateway_2(192, 168, 0, 1);
IPAddress subnet_2(255, 255, 255, 0);

ESP8266WebServer server(80);// server  

WiFiClient wclient;
PubSubClient client(wclient, mqtt_server, mqtt_port);

void write_string_EEPROM (int Addr, String Str) {
  byte lng = Str.length();
  EEPROM.begin (256);
  EEPROM.write(Addr , lng);
  unsigned char* buf = new unsigned char[15];
  Str.getBytes(buf, lng + 1);
  Addr++;
  for (byte i = 0; i < lng; i++) {
    EEPROM.write(Addr + i, buf[i]);
    delay(10);
  }
  EEPROM.commit();
  EEPROM.end();
}

char *read_string_EEPROM (int Addr) {
  EEPROM.begin(256);
  byte lng = EEPROM.read(Addr);
  char* buf = new char[15];
  Addr++;
  for (byte i = 0; i < lng && i < 15; i++) buf[i] = char(EEPROM.read(i + Addr));
  buf[lng] = '\x0';
  EEPROM.end();
  return buf;
}



void setup() {
  pinMode(RELEPIN, OUTPUT);
  Serial.begin(115200);
  EEPROM.begin(256);
  setup_mode = EEPROM.read(45);//   EERPOM  
  rele = EEPROM.read(60);//   EERPOM   
  EEPROM.end();
  if (rele) digitalWrite(RELEPIN, HIGH); else digitalWrite(RELEPIN, LOW);
  if (!setup_mode) { //     
    
    local_ip_2.fromString(String(read_string_EEPROM(200)));// IP  eeprom 
    gateway_2.fromString(String(read_string_EEPROM(220)));//   eeprom 

    //Serial.println(read_string_EEPROM(0));
    //Serial.println(read_string_EEPROM(20));
    WiFi.begin(read_string_EEPROM(0), read_string_EEPROM(20));
    int sm = 0;
    while (WiFi.status() != WL_CONNECTED) {
      delay(500); sm++;
      Serial.print(".");
      if (sm > 120) {
        handle_ReturnSetup();
      }
    }
    WiFi.config(local_ip_2, gateway_2, subnet_2);
    Serial.println("WiFi connected");
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
    read_auto();
    server.on("/", handle_OnConnect_2);
    server.on("/select_auto", handle_SelectAuto);
    server.on("/rele_auto", handle_ReleAuto);
    server.on("/delete_page", handle_Delete);
    server.on("/return_setup", handle_ReturnSetup);
    server.on("/control_menu", handle_ControlMenu);
    server.on("/rele_off", handle_ReleOff);
    server.on("/rele_on", handle_ReleOn);
    server.on("/auto_off", handle_AutoOff);
    server.on("/auto_on", handle_AutoOn);
    server.onNotFound(handle_NotFound);
    server.begin();
    Serial.println("HTTP server started");

    if (client.connect(MQTT::Connect(ID).set_auth(mqtt_user, mqtt_pass))) {
      Serial.println("Connected to MQTT server");
      client.subscribe("/datk"); //      
      //client.subscribe("/cmd"); //     
      client.set_callback(callback);
    } else {
      Serial.println("Could not connect to MQTT server");
    }
  }
  else {//    
    delay(1000);
    WiFi.softAP(ssid_ap, password_ap);
    WiFi.softAPConfig(local_ip, gateway, subnet);
    delay(100);
    server.on("/", handle_OnConnect);
    server.on("/end_setup", handle_EndSetup);
    server.on("/action_page", handleForm);
    server.onNotFound(handle_NotFound);
    server.begin();
    Serial.println("HTTP server started");
  }
}

void read_auto() {
  EEPROM.begin(256);
  auto_mode = EEPROM.read(130);
  EEPROM.end();
  auto_data = String(read_string_EEPROM(90)).toInt();
  Serial.println(read_string_EEPROM(90));
  auto_oper = String(read_string_EEPROM(110)).toInt();
  auto_name = read_string_EEPROM(70);
}

void perek(bool per) { //per = true =  , per = true =  
  EEPROM.begin(256);
  if (auto_mode) {
    if (per) {
      rele = 0;
      digitalWrite(RELEPIN, LOW);
    }
    else {
      rele = 1;
      digitalWrite(RELEPIN, HIGH);
    }
  }
  else {
    if (per) {
      rele = 1;
      digitalWrite(RELEPIN, HIGH);
    }
    else {
      rele = 0;
      digitalWrite(RELEPIN, LOW);
    }
  }
  EEPROM.write(60, rele);
  EEPROM.commit();
  EEPROM.end();
}

void loop() {
  server.handleClient();
  if (client.connected()) {
    client.loop();
  }
}

void callback(const MQTT::Publish& pub)
{
  Serial.print(pub.topic()); //      
  Serial.print(" => ");
  Serial.print(pub.payload_string()); //       
  String payload = pub.payload_string();
  if (String(pub.topic()) == "/datk") //        
  {
    String tmpstr = "", namest, znachs;
    int datat;
    int mod = 0;
    bool tr = false;
    for (int i = 0 ; i < payload.length(); i++) {
      if (payload[i] != '#') tmpstr += payload[i]; else {
        switch (mod) {
          case 0:
            namest = tmpstr;
            break;
          case 1:
            datat = tmpstr.toInt();
            break;
          case 2:
            znachs = tmpstr;
            break;
        }
        tmpstr = "";
        mod++;
      }
    }
    for (int i = 0; i < lng && !tr; i++) {
      if (names[i] == namest) {
        data[i] = datat;
        tr = true;
      }
    }
    if (!tr) {
      lng++;
      names[lng - 1] = namest;
      data[lng - 1] = datat;
      znach[lng - 1] = znachs;
    }
    if (auto_stat && namest == auto_name) {
      switch (auto_oper) {
        case 0:
          if (auto_data > datat) perek(true);
          if (auto_data < datat) perek(false);
          break;
        case 1:
          if (auto_data < datat) perek(true);
          if (auto_data > datat) perek(false);
          break;
        case 2:
          if (auto_data = datat) perek(true);
          if (auto_data != datat) perek(false);
          break;
      }
    }
  }

  /*if (String(pub.topic()) == "/md"){
    if(pub.payload_string()=="ON")
    {
      rele = 1;
    digitalWrite(RELEPIN, HIGH  );
    EEPROM.begin(256);
    EEPROM.write(60, 1);
    EEPROM.commit();
    EEPROM.end();
    }
    else
    {
      rele = 0;
    digitalWrite(RELEPIN, LOW  );
    EEPROM.begin(256);
    EEPROM.write(60, 0);
    EEPROM.commit();
    EEPROM.end();
    }
    }*/
}


void handle_ReturnSetup() {
  EEPROM.begin(256);
  EEPROM.write(45, true);
  setup_mode = true;
  EEPROM.commit();
  EEPROM.end();
  ESP.reset();
}

void handle_Delete() {
  String delname = server.arg("DELETE_NAME");
  bool tr = false;
  for (int i = 0 ; i < lng; i++) {
    if (tr) {
      names[i - 1] = names[i];
      data[i - 1] = data[i];
      znach[i - 1] = znach[i];
    }
    else if (names[i] == delname) {
      tr = true;
    }
  }
  if (tr) lng--;
  server.send(200, "text/html", SendControlMenuHTML());
}

void handle_ReleAuto() {
  server.send(200, "text/html", SendControlReleAutoHTML());
}


void handle_SelectAuto() {
  auto_name = names[server.arg("DAT_NAME").toInt()];
  auto_oper = server.arg("OPER").toInt();
  auto_data = server.arg("DATA_P").toInt();
  auto_mode = server.arg("ON_OFF").toInt();
  Serial.println(auto_name);
  Serial.println(auto_oper);
  Serial.println(auto_data);
  Serial.println(auto_mode);
  write_string_EEPROM(70, auto_name);
  write_string_EEPROM(110, server.arg("OPER"));
  write_string_EEPROM(90, server.arg("DATA_P"));
  EEPROM.begin(256);
  EEPROM.write(130, auto_mode);
  EEPROM.commit();
  EEPROM.end();
  server.send(200, "text/html", SendControlReleAutoHTML());
}

void handle_AutoOff() {
  auto_stat = 0;
  server.send(200, "text/html", SendControlReleAutoHTML());
}

void handle_AutoOn() {
  auto_stat = 1;
  server.send(200, "text/html", SendControlReleAutoHTML());
}

void handle_ReleOff() {
  rele = 0;
  digitalWrite(RELEPIN, LOW);
  EEPROM.begin(256);
  EEPROM.write(60, 0);
  EEPROM.commit();
  EEPROM.end();
  server.send(200, "text/html", SendControlMenuHTML());
}

void handle_ReleOn() {
  rele = 1;
  digitalWrite(RELEPIN, HIGH  );
  EEPROM.begin(256);
  EEPROM.write(60, 1);
  EEPROM.commit();
  EEPROM.end();
  server.send(200, "text/html", SendControlMenuHTML());
}

void handle_OnConnect() {
  server.send(200, "text/html", SendHTML());
}

void handle_OnConnect_2() {
  server.send(200, "text/html", SendMenuHTML());
}

void handleForm() {
  ssid = server.arg("WIFI_NAME");
  password = server.arg("WIFI_password");
  device_id = server.arg("DEVICE_ID");
  local_ip_2.fromString(server.arg("LOCAL_IP"));
  gateway_2.fromString(server.arg("GATEWAY"));
  write_string_EEPROM(200, server.arg("LOCAL_IP"));
  write_string_EEPROM(220, server.arg("GATEWAY"));
  Serial.print("WIFI: ");
  Serial.println(ssid);

  Serial.print("password: ");
  Serial.println(password);

  server.send(200, "text/html", SendEndHTML()); //Send web page
}

void handle_EndSetup() {
  write_string_EEPROM(0, ssid);
  write_string_EEPROM(20, password);
  EEPROM.begin(256);
  EEPROM.write(45, false);
  setup_mode = false;
  EEPROM.commit();
  EEPROM.end();
  WiFi.softAPdisconnect(true);
  ESP.reset();
}

void handle_ControlMenu() {
  server.send(200, "text/html", SendControlMenuHTML());
}

void handle_NotFound() {
  server.send(404, "text/plain", "Not found");
}

String SendEndHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/><html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<a href='/'><h1>  </h1></a>\n";
  ptr += "<a href='/end_setup'><h1></h1></a>\n";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}

String SendHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/> <html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n";
  ptr += ".button {display: block;width: 80px;background-color: #1abc9c;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}\n";
  ptr += ".button-on {background-color: #1abc9c;}\n";
  ptr += ".button-on:active {background-color: #16a085;}\n";
  ptr += ".button-off {background-color: #34495e;}\n";
  ptr += ".button-off:active {background-color: #2c3e50;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<h1> WIFI</h1>\n";
  ptr += "<h3>      wifi </h3>\n";
  ptr += "<form action=\"/action_page\">";
  ptr += ":<br>";
  ptr += "<input type=\"text\" name=\"WIFI_NAME\" value=\"_\">";
  ptr += "<br>";
  ptr += ":<br>";
  ptr += "<input type=\"text\" name=\"WIFI_password\" value=\"123456789\">";
  ptr += "<br>";
  ptr += " :<br>";
  ptr += "<input type=\"text\" maxlength=\"14\" name=\"DEVICE_ID\" value=\"\"><br>";
  ptr += "Local_ip:<br>";
  ptr += "<input type=\"text\" name=\"LOCAL_IP\" value=\"192.168.0.250\">";
  ptr += "<br>";
  ptr += "Gateway:<br>";
  ptr += "<input type=\"text\" name=\"GATEWAY\" value=\"192.168.0.1\">";
  ptr += "<br>";
  ptr += "<br><br>";
  ptr += "<input type=\"submit\" value=\"\">";
  ptr += "</form>";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}

String SendMenuHTML() {
  String ptr = "<!DOCTYPE html> <html lang='ru-RU'><head><meta charset='UTF-8'/><html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n";
  ptr += ".button {display: block;width: 80px;background-color: #1abc9c;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}\n";
  ptr += ".button-on {background-color: #1abc9c;}\n";
  ptr += ".button-on:active {background-color: #16a085;}\n";
  ptr += ".button-off {background-color: #34495e;}\n";
  ptr += ".button-off:active {background-color: #2c3e50;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<h1>WIFI </h1>\n";
  ptr += "<h3>  :</h3>\n";
  ptr += "<br><input type=\"button\" value=\"   \" onClick=\"document.location = '/return_setup'\" /><br>";
  ptr += "<br><input type=\"button\" value=\" \" onClick=\"document.location = '/control_menu'\" /><br>";
  ptr += "<br><input type=\"button\" value=\"  \" onClick=\"document.location = '/rele_auto'\" /><br>";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}

String SendControlMenuHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/> <html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px; } h3 {color: #444444;margin-bottom: 50px;} h4 {color: #444444;margin-bottom: 20px;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<h1> </h1>\n";
  ptr += "<br><input type=\"button\" value=\"  \" onClick=\"document.location = '/'\" /><br>";
  if (rele) {
    ptr += "<br><input type=\"button\" value=\" \" onClick=\"document.location = '/rele_off'\" /><br>";
  }
  if (!rele) {
    ptr += "<br><input type=\"button\" value=\" \" onClick=\"document.location = '/rele_on'\" /><br>";
  }
  ptr += "<h3>:</h3>\n";
  //ptr += "<h4>:</h4>\n";
  for (int i = 0 ; i < lng; i++) {
    ptr += "<h4>" + names[i] + " : " + data[i] + " " + znach[i] + "</h4>";
  }
  ptr += "<form action=\"/delete_page\">";
  ptr += ":  ";
  ptr += "<input type=\"text\" name=\"DELETE_NAME\" value=\"\">   ";
  //ptr += "<br><br>";
  ptr += "<input type=\"submit\" value=\"\">";
  ptr += "</form>";
  ptr += "<br><input type=\"button\" value=\"\" onClick=\"document.location = '/control_menu'\" /><br>";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}

String SendControlReleAutoHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/> <html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px; } h3 {color: #444444;margin-bottom: 50px;} h4 {color: #444444;margin-bottom: 20px;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<h1>    </h1>";
  if (auto_stat) {
    ptr += "<h3>  </h3>";
  }
  else {
    ptr += "<h3>  </h3>";
  }
  ptr += "<h3> :" + auto_name + " ";
  switch (auto_oper) {
    case 0 : ptr += "> ";
      break;
    case 1 : ptr += "< ";
      break;
    case 2 : ptr += "= ";
      break;
  }
  if (auto_mode)
    ptr += String(auto_data) + "  </h3>";
  else
    ptr += String(auto_data) + "  </h3>";
  ptr += "<h3>     :</h3>\n";
  ptr += "<form action=\"/select_auto\">";
  ptr += "<select size=\"1\" name=\"DAT_NAME\">";
  for (int i = 0 ; i < lng; i++) {
    ptr += "<option value=\"" + String(i) + "\">" + names[i] + "</option>";
  }
  ptr += "</select>  ";
  ptr += "<select size=\"1\" name=\"OPER\">";
  ptr += "<option value=0>></option>";
  ptr += "<option value=1><</option>";
  ptr += "<option value=2>=</option>";
  ptr += "</select>  ";
  ptr += "</select>  ";
  ptr += "<input type=\"text\" name=\"DATA_P\" value=\"10\">";
  ptr += "<select size=\"1\" name=\"ON_OFF\">";
  ptr += "<option value=0></option>";
  ptr += "<option value=1></option>";
  ptr += "</select>  ";
  //ptr += "<br><br>";
  ptr += "<input type=\"submit\" value=\"\">";
  ptr += "</form>";
  ptr += "<br><input type=\"button\" value=\"\" onClick=\"document.location = '/rele_auto'\" /><br>";
  if (auto_stat) {
    ptr += "<br><input type=\"button\" value=\" \" onClick=\"document.location = '/auto_off'\" /><br>";
  }
  else {
    ptr += "<br><input type=\"button\" value=\" \" onClick=\"document.location = '/auto_on'\" /><br>";
  }
  ptr += "<br><input type=\"button\" value=\"  \" onClick=\"document.location = '/'\" /><br>";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
#include <PubSubClient.h>
#include "DHT.h"

#define DHTTYPE DHT11
uint8_t DHTPin = 5; 
int tempC = 0;
int humC = 0;
int tmi = 10;
DHT dht(DHTPin, DHTTYPE); 

const char *ssid_ap = "Datchik_Setup";  //   
const char *password_ap = "12345678";  //   
const char *ID = "temp_1";

String ssid = "";  // wifi
String password = "";  // wifi
String device_id; // ID 
bool setup_mode ; // true -   , false -   

const char *mqtt_server = "M5.WQTT.RU"; //   MQTT
const int mqtt_port = 2602; //      MQTT
const char *mqtt_user = "u_RSELYN"; //   a
const char *mqtt_pass = "bhbtIJue"; //   

ESP8266WebServer server(80);// server  

WiFiClient wclient;
PubSubClient client(wclient, mqtt_server, mqtt_port);

IPAddress local_ip(192, 168, 1, 1);
IPAddress gateway(192, 168, 1, 1);
IPAddress subnet(255, 255, 255, 0);

void write_string_EEPROM (int Addr, String Str) {
  byte lng = Str.length();
  EEPROM.begin (256);
  EEPROM.write(Addr , lng);
  unsigned char* buf = new unsigned char[15];
  Str.getBytes(buf, lng + 1);
  Addr++;
  for (byte i = 0; i < lng; i++) {
    EEPROM.write(Addr + i, buf[i]);
    delay(10);
  }
  EEPROM.commit();
  EEPROM.end();
}

char *read_string_EEPROM (int Addr) {
  EEPROM.begin(256);
  byte lng = EEPROM.read(Addr);
  char* buf = new char[15];
  Addr++;
  for (byte i = 0; i < lng && i < 15; i++) buf[i] = char(EEPROM.read(i + Addr));
  buf[lng] = '\x0';
  EEPROM.end();
  return buf;
}

void setup() {
  pinMode(DHTPin, INPUT);
  Serial.begin(115200);
  EEPROM.begin(256);
  setup_mode = EEPROM.read(85);
  EEPROM.end();
  device_id = read_string_EEPROM(40);
  if (!setup_mode) {
    dht.begin();
    tmi = String(read_string_EEPROM(200)).toInt();
    local_ip.fromString(String(read_string_EEPROM(200)));
    gateway.fromString(String(read_string_EEPROM(220)));
    Serial.println(read_string_EEPROM(0));
    Serial.println(read_string_EEPROM(20));
    WiFi.begin(read_string_EEPROM(0), read_string_EEPROM(20));
    int sm = 0;
    while (WiFi.status() != WL_CONNECTED) {
      delay(500); sm++;
      Serial.print(".");
      if (sm > 120) {
        ReturnSetup();
      }
    }
    
    Serial.println("WiFi connected");
    tempC = (int)dht.readTemperature(); 
  humC = (int)dht.readHumidity();
    if (client.connect(MQTT::Connect(ID).set_auth(mqtt_user, mqtt_pass))) {
      Serial.println("Connected to MQTT server");
    } else {
      Serial.println("Could not connect to MQTT server");
    }
    client.publish("/datk", device_id+"_t" + "#" + String(tempC) + "##");
    client.publish("/datk", device_id+"_hm" + "#" + String(humC) + "##");
    delay(100);
    ESP.deepSleep(tmi * 1000000);
  }
  else {
    delay(1000);
    WiFi.softAP(ssid_ap, password_ap);
    WiFi.softAPConfig(local_ip, gateway, subnet);
    delay(100);
    server.on("/", handle_OnConnect);
    server.on("/end_setup", handle_EndSetup);
    server.on("/action_page", handleForm);
    server.onNotFound(handle_NotFound);
    server.begin();
    Serial.println("HTTP server started");
  }
}

void loop() {
  if (setup_mode)
    server.handleClient();
}

void handle_OnConnect() {
  server.send(200, "text/html", SendHTML());
}

void ReturnSetup() {
  EEPROM.begin(256);
  EEPROM.write(85, true);
  setup_mode = true;
  EEPROM.commit();
  EEPROM.end();
  ESP.reset();
}


void handleForm() {
  ssid = server.arg("WIFI_NAME");
  password = server.arg("WIFI_password");
  device_id =  server.arg("DEVICE_ID");
  tmi = server.arg("TIMING").toInt();
  Serial.print("WIFI: ");
  Serial.println(ssid);

  Serial.print("password: ");
  Serial.println(password);

  server.send(200, "text/html", SendEndHTML()); //Send web page
}

void handle_EndSetup() {
  write_string_EEPROM(0, ssid);
  write_string_EEPROM(20, password);
  write_string_EEPROM(40, device_id);
  write_string_EEPROM(200, String(tmi));
  EEPROM.begin(256);
  EEPROM.write(85, false);
  setup_mode = false;
  EEPROM.commit();
  EEPROM.end();
  WiFi.softAPdisconnect(true);
  ESP.reset();
}

void handle_NotFound() {
  server.send(404, "text/plain", "Not found");
}

String SendEndHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/><html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<a href='/'><h1>  </h1></a>\n";
  ptr += "<a href='/end_setup'><h1></h1></a>\n";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}

String SendHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/> <html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n";
  ptr += ".button {display: block;width: 80px;background-color: #1abc9c;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}\n";
  ptr += ".button-on {background-color: #1abc9c;}\n";
  ptr += ".button-on:active {background-color: #16a085;}\n";
  ptr += ".button-off {background-color: #34495e;}\n";
  ptr += ".button-off:active {background-color: #2c3e50;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<h1> WIFI</h1>\n";
  ptr += "<h3>      wifi </h3>\n";
  ptr += "<form action=\"/action_page\">";
  ptr += ":<br>";
  ptr += "<input type=\"text\" name=\"WIFI_NAME\" value=\"_\">";
  ptr += "<br>";
  ptr += ":<br>";
  ptr += "<input type=\"text\" name=\"WIFI_password\" value=\"123456789\">";
  ptr += "<br>";
  ptr += " ( ):<br>";
  ptr += "<input type=\"text\" name=\"TIMING\" value=\"1\">";
  ptr += "<br>";
  ptr += " :<br>";
  ptr += "<input type=\"text\" maxlength=\"10\" name=\"DEVICE_ID\" value=\"datc_temp\"><br>";
  ptr += "<br><br>";
  ptr += "<input type=\"submit\" value=\"\">";
  ptr += "</form>";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
#include <PubSubClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#define ONE_WIRE_BUS 5
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature DS18B20(&oneWire);
char temperatureCString[7];
int tempC = 0;
int tmi = 10;

const char *ssid_ap = "Datchik_Setup";  //   
const char *password_ap = "12345678";  //   
const char *ID = "temp_1";

String ssid = "";  // wifi
String password = "";  // wifi
String device_id; // ID 
bool setup_mode ; // true -   , false -   

const char *mqtt_server = "M5.WQTT.RU"; //   MQTT
const int mqtt_port = 2602; //      MQTT
const char *mqtt_user = "u_RSELYN"; //   a
const char *mqtt_pass = "bhbtIJue"; //   

ESP8266WebServer server(80);// server  

WiFiClient wclient;
PubSubClient client(wclient, mqtt_server, mqtt_port);

IPAddress local_ip(192, 168, 1, 1);
IPAddress gateway(192, 168, 1, 1);
IPAddress subnet(255, 255, 255, 0);

void write_string_EEPROM (int Addr, String Str) {
  byte lng = Str.length();
  EEPROM.begin (256);
  EEPROM.write(Addr , lng);
  unsigned char* buf = new unsigned char[15];
  Str.getBytes(buf, lng + 1);
  Addr++;
  for (byte i = 0; i < lng; i++) {
    EEPROM.write(Addr + i, buf[i]);
    delay(10);
  }
  EEPROM.commit();
  EEPROM.end();
}

char *read_string_EEPROM (int Addr) {
  EEPROM.begin(256);
  byte lng = EEPROM.read(Addr);
  char* buf = new char[15];
  Addr++;
  for (byte i = 0; i < lng && i < 15; i++) buf[i] = char(EEPROM.read(i + Addr));
  buf[lng] = '\x0';
  EEPROM.end();
  return buf;
}

void getTemperature()
{
  do {
    DS18B20.requestTemperatures();
    tempC = DS18B20.getTempCByIndex(0);
    dtostrf(tempC, 2, 2, temperatureCString);
    delay(100);
  } while (tempC == 85.0 || tempC == (-127.0));
}

void setup() {
  Serial.begin(115200);
  EEPROM.begin(256);
  setup_mode = EEPROM.read(85);
  EEPROM.end();
  device_id = read_string_EEPROM(40);
  if (!setup_mode) {
    tmi = String(read_string_EEPROM(200)).toInt();
    local_ip.fromString(String(read_string_EEPROM(200)));
    gateway.fromString(String(read_string_EEPROM(220)));
    DS18B20.begin();
    Serial.println(read_string_EEPROM(0));
    Serial.println(read_string_EEPROM(20));
    WiFi.begin(read_string_EEPROM(0), read_string_EEPROM(20));
    int sm = 0;
    while (WiFi.status() != WL_CONNECTED) {
      delay(500); sm++;
      Serial.print(".");
      if (sm > 120) {
        ReturnSetup();
      }
    }
    getTemperature();
    Serial.println("WiFi connected");
    if (client.connect(MQTT::Connect(ID).set_auth(mqtt_user, mqtt_pass))) {
      Serial.println("Connected to MQTT server");
    } else {
      Serial.println("Could not connect to MQTT server");
    }
    client.publish("/datk", device_id + "#" + String(tempC) + "##");
    delay(100);
    ESP.deepSleep(tmi * 1000000);
  }
  else {
    delay(1000);
    WiFi.softAP(ssid_ap, password_ap);
    WiFi.softAPConfig(local_ip, gateway, subnet);
    delay(100);
    server.on("/", handle_OnConnect);
    server.on("/end_setup", handle_EndSetup);
    server.on("/action_page", handleForm);
    server.onNotFound(handle_NotFound);
    server.begin();
    Serial.println("HTTP server started");
  }
}

void loop() {
  if (setup_mode)
    server.handleClient();
}

void handle_OnConnect() {
  server.send(200, "text/html", SendHTML());
}

void ReturnSetup() {
  EEPROM.begin(256);
  EEPROM.write(85, true);
  setup_mode = true;
  EEPROM.commit();
  EEPROM.end();
  ESP.reset();
}


void handleForm() {
  ssid = server.arg("WIFI_NAME");
  password = server.arg("WIFI_password");
  device_id =  server.arg("DEVICE_ID");
  tmi = server.arg("TIMING").toInt();
  Serial.print("WIFI: ");
  Serial.println(ssid);

  Serial.print("password: ");
  Serial.println(password);

  server.send(200, "text/html", SendEndHTML()); //Send web page
}

void handle_EndSetup() {
  write_string_EEPROM(0, ssid);
  write_string_EEPROM(20, password);
  write_string_EEPROM(40, device_id);
  write_string_EEPROM(200, String(tmi));
  EEPROM.begin(256);
  EEPROM.write(85, false);
  setup_mode = false;
  EEPROM.commit();
  EEPROM.end();
  WiFi.softAPdisconnect(true);
  ESP.reset();
}

void handle_NotFound() {
  server.send(404, "text/plain", "Not found");
}

String SendEndHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/><html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<a href='/'><h1>  </h1></a>\n";
  ptr += "<a href='/end_setup'><h1></h1></a>\n";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}

String SendHTML() {
  String ptr = "<!DOCTYPE html><html lang='ru-RU'><head><meta charset='UTF-8'/> <html>\n";
  ptr += "<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr += "<title>WIFI Control</title>\n";
  ptr += "<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr += "body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n";
  ptr += ".button {display: block;width: 80px;background-color: #1abc9c;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}\n";
  ptr += ".button-on {background-color: #1abc9c;}\n";
  ptr += ".button-on:active {background-color: #16a085;}\n";
  ptr += ".button-off {background-color: #34495e;}\n";
  ptr += ".button-off:active {background-color: #2c3e50;}\n";
  ptr += "p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr += "</style>\n";
  ptr += "</head>\n";
  ptr += "<body>\n";
  ptr += "<h1> WIFI</h1>\n";
  ptr += "<h3>      wifi </h3>\n";
  ptr += "<form action=\"/action_page\">";
  ptr += ":<br>";
  ptr += "<input type=\"text\" name=\"WIFI_NAME\" value=\"_\">";
  ptr += "<br>";
  ptr += ":<br>";
  ptr += "<input type=\"text\" name=\"WIFI_password\" value=\"123456789\">";
  ptr += "<br>";
  ptr += " ( ):<br>";
  ptr += "<input type=\"text\" name=\"TIMING\" value=\"1\">";
  ptr += "<br>";
  ptr += " :<br>";
  ptr += "<input type=\"text\" maxlength=\"14\" name=\"DEVICE_ID\" value=\"datc_temp\"><br>";
  ptr += "<br><br>";
  ptr += "<input type=\"submit\" value=\"\">";
  ptr += "</form>";
  ptr += "</body>\n";
  ptr += "</html>\n";
  return ptr;
}