#include <FS.h> #include <Arduino.h> #include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino // Wifi Manager #include <DNSServer.h> #include <ESP8266WebServer.h> #include <WiFiManager.h> //https://github.com/tzapu/WiFiManager //e-mail #include <ESP8266WiFiMulti.h> //https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/src/ESP8266WiFiMulti.h #include <ESP8266HTTPClient.h> ESP8266WiFiMulti WiFiMulti; char address[64] {"e-mail"}; //e-mail, address // HTTP requests #include <ESP8266HTTPClient.h> // OTA updates #include <ESP8266httpUpdate.h> // Blynk #include <BlynkSimpleEsp8266.h> // Debounce #include <Bounce2.h> //https://github.com/thomasfredericks/Bounce2 // JSON #include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson //clock #include <pgmspace.h> #include <TimeLib.h> #include <WiFiUdp.h> #include <Wire.h> #include <RtcDS3231.h> //https://github.com/Makuna/Rtc RtcDS3231<TwoWire> Rtc(Wire); #define countof(a) (sizeof(a) / sizeof(a[0])) //timer #include <SimpleTimer.h> SimpleTimer timer; // unsigned int timerCO2; // MH-Z19 unsigned int timerBl; // Blynk unsigned int timerMail; // // GPIO Defines #define I2C_SDA 4 // D2 - OLED #define I2C_SCL 5 // D1 - OLED #define DHTPIN 12 //D6 cp2102 // Humidity/Temperature #include <DHT.h> #define DHTTYPE DHT22 // DHT 22 DHT dht(DHTPIN, DHTTYPE); #define mySerial Serial // Use U8g2 for i2c OLED Lib #include <SPI.h> #include <U8g2lib.h> U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0, I2C_SCL, I2C_SDA, U8X8_PIN_NONE); byte x {0}; byte y {0}; // Blynk token char blynk_token[33] {"Blynk token"}; //Transmitter #include <RCSwitch.h> RCSwitch transmitter = RCSwitch(); unsigned long TimeTransmitMax; // / // Setup Wifi connection WiFiManager wifiManager; // Network credentials String ssid {"am-5108"}; String pass {"vb" + String(ESP.getFlashChipId())}; //flag for saving data bool shouldSaveConfig = false; // float t {-100}; // int h {-1}; // int co2 {-1}; // co2 float Chs = 0.2; // () (: 0.1( ) - 0.4 ( )) char Tmx[]{"25.0"}, Hmn[]{"35"}, Cmx[]{"1000"}, tZ[]{"2.0"}; // t, h co2, . float Cmax, Tmax, Hmin, tZone; char Temperature0[]{"20.0"}, Temperature1[]{"22.0"}, Temperature2[]{"19.0"};// float TemperaturePoint0, TemperaturePoint1, TemperaturePoint2, TemperaturePoint1Mn, TemperaturePoint2Mn, TemperaturePoint1Pl, TemperaturePoint2Pl; float TemperaturePointA0 = 21.0; // char Hour1[]{"6"}, Hour2[]{"22"}; // , float HourPoint1, HourPoint2; float MinPoint1 = 0, MinPoint2 = 0; int n, j, m; // , int progr = 0; // int timeSummerWinter = 0; // (1)/(0) int a = 1; // : 1 - , 2 - bool buttonBlynk = true; // (true)/(falce) V(10) Blynk //NTP, clock uint8_t hh,mm,ss; //containers for current time char time_r[9]; char date_r[12]; // NTP Servers: //static const char ntpServerName[] = "us.pool.ntp.org"; static const char ntpServerName[] = "time.nist.gov"; WiFiUDP Udp; unsigned int localPort = 2390; // local port to listen for UDP packets time_t getNtpTime(); void digitalClockDisplay(); void printDigits(int digits); void sendNTPpacket(IPAddress &address); void digitalClockDisplay() { // digital clock display of the time Serial.print(hour()); printDigits(minute()); printDigits(second()); Serial.print(" "); Serial.print(day()); Serial.print("."); Serial.print(month()); Serial.print("."); Serial.print(year()); Serial.println(); } void printDigits(int digits) { // utility for digital clock display: prints preceding colon and leading 0 Serial.print(":"); if (digits < 10) Serial.print('0'); Serial.print(digits); } //NTP code const int NTP_PACKET_SIZE = 48; // NTP time is in the first 48 bytes of message byte packetBuffer[NTP_PACKET_SIZE]; //buffer to hold incoming & outgoing packets time_t getNtpTime() { int tZoneI; tZoneI = (int)tZone; IPAddress ntpServerIP; // NTP server's ip address while (Udp.parsePacket() > 0) ; // discard any previously received packets Serial.println("Transmit NTP Request"); // get a random server from the pool WiFi.hostByName(ntpServerName, ntpServerIP); Serial.print(ntpServerName); Serial.print(": "); Serial.println(ntpServerIP); sendNTPpacket(ntpServerIP); uint32_t beginWait = millis(); while (millis() - beginWait < 1500) { int size = Udp.parsePacket(); if (size >= NTP_PACKET_SIZE) { Serial.println("Receive NTP Response"); Udp.read(packetBuffer, NTP_PACKET_SIZE); // read packet into the buffer unsigned long secsSince1900; // convert four bytes starting at location 40 to a long integer secsSince1900 = (unsigned long)packetBuffer[40] << 24; secsSince1900 |= (unsigned long)packetBuffer[41] << 16; secsSince1900 |= (unsigned long)packetBuffer[42] << 8; secsSince1900 |= (unsigned long)packetBuffer[43]; return secsSince1900 - 2208988800UL + tZoneI * SECS_PER_HOUR + timeSummerWinter * SECS_PER_HOUR; //tZoneI } } Serial.println("No NTP Response (:-()"); return 0; // return 0 if unable to get the time } // send an NTP request to the time server at the given address void sendNTPpacket(IPAddress &address) { // set all bytes in the buffer to 0 memset(packetBuffer, 0, NTP_PACKET_SIZE); // Initialize values needed to form NTP request // (see URL above for details on the packets) packetBuffer[0] = 0b11100011; // LI, Version, Mode packetBuffer[1] = 0; // Stratum, or type of clock packetBuffer[2] = 6; // Polling Interval packetBuffer[3] = 0xEC; // Peer Clock Precision // 8 bytes of zero for Root Delay & Root Dispersion packetBuffer[12] = 49; packetBuffer[13] = 0x4E; packetBuffer[14] = 49; packetBuffer[15] = 52; // all NTP fields have been given values, now // you can send a packet requesting a timestamp: Udp.beginPacket(address, 123); //NTP requests are to port 123 Udp.write(packetBuffer, NTP_PACKET_SIZE); Udp.endPacket(); } void synchronClockA() { WiFiManager wifiManager; Rtc.Begin(); Serial.print("IP number assigned by DHCP is "); Serial.println(WiFi.localIP()); Serial.println("Starting UDP"); Udp.begin(localPort); Serial.print("Local port: "); Serial.println(Udp.localPort()); Serial.println("waiting for sync"); setSyncProvider(getNtpTime); if(timeStatus() != timeNotSet){ digitalClockDisplay(); Serial.println("here is another way to set rtc"); time_t t = now(); char date_0[12]; snprintf_P(date_0, countof(date_0), PSTR("%s %02u %04u"), monthShortStr(month(t)), day(t), year(t)); Serial.println(date_0); char time_0[9]; snprintf_P(time_0, countof(time_0), PSTR("%02u:%02u:%02u"), hour(t), minute(t), second(t)); Serial.println(time_0); Serial.println("Now its time to set up rtc"); RtcDateTime compiled = RtcDateTime(date_0, time_0); // printDateTime(compiled); Serial.println(""); if (!Rtc.IsDateTimeValid()) { // Common Cuases: // 1) first time you ran and the device wasn't running yet // 2) the battery on the device is low or even missing Serial.println("RTC lost confidence in the DateTime!"); // following line sets the RTC to the date & time this sketch was compiled // it will also reset the valid flag internally unless the Rtc device is // having an issue } Rtc.SetDateTime(compiled); RtcDateTime now = Rtc.GetDateTime(); if (now < compiled) { Serial.println("RTC is older than compile time! (Updating DateTime)"); Rtc.SetDateTime(compiled); } else if (now > compiled) { Serial.println("RTC is newer than compile time. (this is expected)"); } else if (now == compiled) { Serial.println("RTC is the same as compile time! (not expected but all is fine)"); } // never assume the Rtc was last configured by you, so // just clear them to your needed state Rtc.Enable32kHzPin(false); Rtc.SetSquareWavePin(DS3231SquareWavePin_ModeNone); } } void synchronClock() { Rtc.Begin(); wifiManager.autoConnect(ssid.c_str(), pass.c_str()); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(" "); Serial.print("IP number assigned by DHCP is "); Serial.println(WiFi.localIP()); Serial.println("Starting UDP"); Udp.begin(localPort); Serial.print("Local port: "); Serial.println(Udp.localPort()); Serial.println("waiting for sync"); setSyncProvider(getNtpTime); if(timeStatus() != timeNotSet){ digitalClockDisplay(); Serial.println("here is another way to set rtc"); time_t t = now(); char date_0[12]; snprintf_P(date_0, countof(date_0), PSTR("%s %02u %04u"), monthShortStr(month(t)), day(t), year(t)); Serial.println(date_0); char time_0[9]; snprintf_P(time_0, countof(time_0), PSTR("%02u:%02u:%02u"), hour(t), minute(t), second(t)); Serial.println(time_0); Serial.println("Now its time to set up rtc"); RtcDateTime compiled = RtcDateTime(date_0, time_0); Serial.println(""); if (!Rtc.IsDateTimeValid()) { // Common Cuases: // 1) first time you ran and the device wasn't running yet // 2) the battery on the device is low or even missing Serial.println("RTC lost confidence in the DateTime!"); // following line sets the RTC to the date & time this sketch was compiled // it will also reset the valid flag internally unless the Rtc device is // having an issue } Rtc.SetDateTime(compiled); RtcDateTime now = Rtc.GetDateTime(); if (now < compiled) { Serial.println("RTC is older than compile time! (Updating DateTime)"); Rtc.SetDateTime(compiled); } else if (now > compiled) { Serial.println("RTC is newer than compile time. (this is expected)"); } else if (now == compiled) { Serial.println("RTC is the same as compile time! (not expected but all is fine)"); } // never assume the Rtc was last configured by you, so // just clear them to your needed state Rtc.Enable32kHzPin(false); Rtc.SetSquareWavePin(DS3231SquareWavePin_ModeNone); } } void Clock(){ RtcDateTime now = Rtc.GetDateTime(); //Print RTC time to Serial Monitor hh = now.Hour(); mm = now.Minute(); ss = now.Second(); sprintf(date_r, "%d.%d.%d", now.Day(), now.Month(), now.Year()); if (mm < 10) sprintf(time_r, "%d:0%d", hh, mm); else sprintf(time_r, "%d:%d", hh, mm); Serial.println(date_r); Serial.println(time_r); } //callback notifying the need to save config void saveConfigCallback() { Serial.println("Should save config"); shouldSaveConfig = true; } void factoryReset() { Serial.println("Resetting to factory settings"); wifiManager.resetSettings(); SPIFFS.format(); ESP.reset(); } void printString(String str) { Serial.println(str); } void readCO2() { static byte cmd[9] = {0xFF,0x01,0x86,0x00,0x00,0x00,0x00,0x00,0x79}; // byte response[9]; byte crc = 0; while (mySerial.available())mySerial.read(); // UART memset(response, 0, 9);// mySerial.write(cmd,9);// CO2 mySerial.readBytes(response, 9);// 9 // crc = 0; for (int i = 1; i <= 7; i++) { crc += response[i]; } crc = ((~crc)+1); { // CRC if ( !(response[0] == 0xFF && response[1] == 0x86 && response[8] == crc) ) { Serial.println("CRC error"); } else { // CO2 co2 = (((unsigned int) response[2])<<8) + response[3]; Serial.println("CO2: " + String(co2) + "ppm"); } } } void sendMeasurements() { float t1 {-100}; int h1 {-1}, i; // Temperature t1 = dht.readTemperature(); if ((t1 > -1) and (t1 < 100)) t = t1; Serial.println("T: " + String(t) + "C"); // Humidity h1 = dht.readHumidity(); if ((h1 > -1) and (h1 < 100)) h = h1; Serial.println("H: " + String(h) + "%"); // CO2 readCO2(); } void sendToBlynk(){ Blynk.virtualWrite(V1, t); Blynk.virtualWrite(V2, h); Blynk.virtualWrite(V3, co2); Blynk.virtualWrite(V4, TemperaturePoint0); } void noData() { u8g2.setFont(u8g2_font_9x18_mf); x = 48; y = 40; u8g2.drawStr(x, y, "***"); } void drawOn() { float TemperatureP0; char Online_ch[]{" Online"}; TemperatureP0 = TemperaturePoint0 - Chs; dtostrf(TemperatureP0, 4, 1, Temperature0); // float char String Temperature0_i; Temperature0_i = String(Temperature0); char Temperature0_i_m [16]; Temperature0_i.toCharArray(Temperature0_i_m, 16); u8g2.clearBuffer(); String Temperature0_p; String onl1 = "OnLine T<"; Temperature0_p = onl1 + Temperature0_i_m; char Temperature0_p_m [16]; Temperature0_p.toCharArray(Temperature0_p_m, 16); String Tmx_i; Tmx_i = String(Tmx); char Tmx_i_m [16]; Tmx_i.toCharArray(Tmx_i_m, 16); u8g2.clearBuffer(); String Tmx_p; String onl2 = "OnLine T>"; Tmx_p = onl2 + Tmx_i_m; char Tmx_p_m [16]; Tmx_p.toCharArray(Tmx_p_m, 16); String Cmx_i; Cmx_i = String(Cmx); char Cmx_i_m [16]; Cmx_i.toCharArray(Cmx_i_m, 16); u8g2.clearBuffer(); String Cmx_p; String onl3 = "OnL CO2>"; Cmx_p = onl3 + Cmx_i_m; char Cmx_p_m [16]; Cmx_p.toCharArray(Cmx_p_m, 16); String Hmn_i; Hmn_i = String(Hmn); char Hmn_i_m [16]; Hmn_i.toCharArray(Hmn_i_m, 16); u8g2.clearBuffer(); String Hmn_p; String onl4 = "OnLine H<"; Hmn_p = onl4 + Hmn_i_m; char Hmn_p_m [16]; Hmn_p.toCharArray(Hmn_p_m, 16); //string 3 u8g2.setFont(u8g2_font_9x18_mf); x = 0; y = 64; u8g2.drawStr(x, y, Online_ch); if ((hh>=HourPoint1) and (hh<=HourPoint2) and (t<TemperatureP0)) u8g2.drawStr(x, y, Temperature0_p_m); else if (t > Tmax) u8g2.drawStr(x, y, Tmx_p_m); else if (co2 > Cmax) u8g2.drawStr(x, y, Cmx_p_m); else if (h < Hmin) u8g2.drawStr(x, y, Hmn_p_m); switch((millis() / 100) % 4) { // Temperature case 0: { String info_t; String paramT; String tmpr = "T("; String grad = "C):"; const char degree {176}; paramT = tmpr + degree + grad; char paramT_m [12]; paramT.toCharArray(paramT_m, 12); info_t = String(t); char info_t_m [12]; info_t.toCharArray(info_t_m, 5); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 16; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, paramT_m); //string 2 if ((t > -100) and (t < 100)) { u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_t_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_t_m); } else noData(); } break; //Humidity case 1: { String info_h; info_h = String(h); char info_h_m [12]; info_h.toCharArray(info_h_m, 12); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 16; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, "H(%):"); //string 2 if ((h > -1) and (h < 100)){ u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_h_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_h_m); } else noData(); } break; //CO2 case 2: { String info_co2; info_co2 = String(co2); char info_co2_m [12]; info_co2.toCharArray(info_co2_m, 12); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 8; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, "CO2(ppm):"); //string 2 if ((co2 > -1) and (co2 <= 2000)) { u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_co2_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_co2_m); } else noData(); } break; //time, date case 3: { //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = (128 - u8g2.getStrWidth(date_r))/2; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, date_r); //string 2 u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(time_r))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, time_r); } break; } u8g2.sendBuffer(); } void drawOff() { float TemperatureP0A; char OffLine_ch[]{"Offline Tst=21"}; TemperatureP0A = TemperaturePointA0 - Chs; // dtostrf(TemperatureP0A, 4, 1, TemperaturePointA0); // float char String TemperaturePointA0_i; TemperaturePointA0_i = String(TemperaturePointA0); char TemperaturePointA0_i_m [16]; TemperaturePointA0_i.toCharArray(TemperaturePointA0_i_m, 16); u8g2.clearBuffer(); String TemperaturePointA0_p; String onl1 = "Offline T<"; TemperaturePointA0_p = onl1 + TemperaturePointA0_i_m; char TemperaturePointA0_p_m [16]; TemperaturePointA0_p.toCharArray(TemperaturePointA0_p_m, 16); //string 3 u8g2.setFont(u8g2_font_9x18_mf); x = 0; y = 64; u8g2.drawStr(x, y, OffLine_ch); if (t<TemperatureP0A) u8g2.drawStr(x, y, TemperaturePointA0_p_m); switch((millis() / 100) % 4) { // Temperature case 0: { String info_t; String paramT; String tmpr = "T("; String grad = "C):"; const char degree {176}; paramT = tmpr + degree + grad; char paramT_m [12]; paramT.toCharArray(paramT_m, 12); info_t = String(t); char info_t_m [12]; info_t.toCharArray(info_t_m, 5); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 16; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, paramT_m); //string 2 if ((t > -100) and (t < 100)) { u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_t_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_t_m); } else noData(); } break; //Humidity case 1: { String info_h; info_h = String(h); char info_h_m [12]; info_h.toCharArray(info_h_m, 12); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 16; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, "H(%):"); //string 2 if ((h > -1) and (h < 100)){ u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_h_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_h_m); } else noData(); } break; //CO2 case 2: { String info_co2; info_co2 = String(co2); char info_co2_m [12]; info_co2.toCharArray(info_co2_m, 12); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 8; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, "CO2(ppm):"); //string 2 if ((co2 > -1) and (co2 <= 2000)) { u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_co2_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_co2_m); } else noData(); } break; //time, date case 3: { //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = (128 - u8g2.getStrWidth(date_r))/2; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, date_r); //string 2 u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(time_r))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, time_r); } break; } u8g2.sendBuffer(); } void drawOffBlynk() { float TemperatureP0; char OffBlynk_ch[]{" OffBlynk"}; TemperatureP0 = TemperaturePoint0 - Chs; dtostrf(TemperatureP0, 4, 1, Temperature0); // float char String Temperature0_i; Temperature0_i = String(Temperature0); char Temperature0_i_m [16]; Temperature0_i.toCharArray(Temperature0_i_m, 16); u8g2.clearBuffer(); String Temperature0_p; String onl1 = "OffBL T<"; Temperature0_p = onl1 + Temperature0_i_m; char Temperature0_p_m [16]; Temperature0_p.toCharArray(Temperature0_p_m, 16); String Tmx_i; Tmx_i = String(Tmx); char Tmx_i_m [16]; Tmx_i.toCharArray(Tmx_i_m, 16); u8g2.clearBuffer(); String Tmx_p; String onl2 = "OffBL T>"; Tmx_p = onl2 + Tmx_i_m; char Tmx_p_m [16]; Tmx_p.toCharArray(Tmx_p_m, 16); String Cmx_i; Cmx_i = String(Cmx); char Cmx_i_m [16]; Cmx_i.toCharArray(Cmx_i_m, 16); u8g2.clearBuffer(); String Cmx_p; String onl3 = "OnL CO2>"; Cmx_p = onl3 + Cmx_i_m; char Cmx_p_m [16]; Cmx_p.toCharArray(Cmx_p_m, 16); String Hmn_i; Hmn_i = String(Hmn); char Hmn_i_m [16]; Hmn_i.toCharArray(Hmn_i_m, 16); u8g2.clearBuffer(); String Hmn_p; String onl4 = "OffBL H<"; Hmn_p = onl4 + Hmn_i_m; char Hmn_p_m [16]; Hmn_p.toCharArray(Hmn_p_m, 16); //string 3 u8g2.setFont(u8g2_font_9x18_mf); x = 0; y = 64; u8g2.drawStr(x, y, OffBlynk_ch); if ((hh>=HourPoint1) and (hh<=HourPoint2) and (t<TemperatureP0)) u8g2.drawStr(x, y, Temperature0_p_m); else if (t > Tmax) u8g2.drawStr(x, y, Tmx_p_m); else if (co2 > Cmax) u8g2.drawStr(x, y, Cmx_p_m); else if (h < Hmin) u8g2.drawStr(x, y, Hmn_p_m); switch((millis() / 100) % 4) { // Temperature case 0: { String info_t; String paramT; String tmpr = "T("; String grad = "C):"; const char degree {176}; paramT = tmpr + degree + grad; char paramT_m [12]; paramT.toCharArray(paramT_m, 12); info_t = String(t); char info_t_m [12]; info_t.toCharArray(info_t_m, 5); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 16; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, paramT_m); //string 2 if ((t > -100) and (t < 100)) { u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_t_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_t_m); } else noData(); } break; //Humidity case 1: { String info_h; info_h = String(h); char info_h_m [12]; info_h.toCharArray(info_h_m, 12); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 16; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, "H(%):"); //string 2 if ((h > -1) and (h < 100)){ u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_h_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_h_m); } else noData(); } break; //CO2 case 2: { String info_co2; info_co2 = String(co2); char info_co2_m [12]; info_co2.toCharArray(info_co2_m, 12); //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = 8; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, "CO2(ppm):"); //string 2 if ((co2 > -1) and (co2 <= 2000)) { u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(info_co2_m))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, info_co2_m); } else noData(); } break; //time, date case 3: { //string 1 u8g2.setFont(u8g2_font_9x18_mf); x = (128 - u8g2.getStrWidth(date_r))/2; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, date_r); //string 2 u8g2.setFont(u8g2_font_inb24_mf); x = (128 - u8g2.getStrWidth(time_r))/2; y = y + 2 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, time_r); } break; } u8g2.sendBuffer(); } void drawBoot(String msg = "Loading...") { u8g2.clearBuffer(); u8g2.setFont(u8g2_font_9x18_mf); x = (128 - u8g2.getStrWidth(msg.c_str())) / 2; y = 32 + u8g2.getAscent() / 2; u8g2.drawStr(x, y, msg.c_str()); u8g2.sendBuffer(); } void drawConnectionDetails(String ssid, String pass, String url) { String msg {""}; u8g2.clearBuffer(); msg = "Connect to WiFi:"; u8g2.setFont(u8g2_font_7x13_mf); x = (128 - u8g2.getStrWidth(msg.c_str())) / 2; y = u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, msg.c_str()); msg = "net: " + ssid; x = (128 - u8g2.getStrWidth(msg.c_str())) / 2; y = y + 1 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, msg.c_str()); msg = "pw: "+ pass; x = (128 - u8g2.getStrWidth(msg.c_str())) / 2; y = y + 1 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, msg.c_str()); msg = "Open browser:"; x = (128 - u8g2.getStrWidth(msg.c_str())) / 2; y = y + 1 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, msg.c_str()); // URL // u8g2.setFont(u8g2_font_6x12_mf); x = (128 - u8g2.getStrWidth(url.c_str())) / 2; y = y + 1 + u8g2.getAscent() - u8g2.getDescent(); u8g2.drawStr(x, y, url.c_str()); u8g2.sendBuffer(); } bool loadConfigS(){ Blynk.config(address); Serial.print("e-mail: "); Serial.println( address ); Blynk.config(Tmx); Serial.print("T max: "); Serial.println( Tmx ); Blynk.config(Cmx); Serial.print("CO2 max: "); Serial.println( Cmx ); Blynk.config(Temperature0); Serial.print("Temperature 0: "); Serial.println( Temperature0 ); Blynk.config(Temperature1); Serial.print("Temperature1: "); Serial.println( Temperature1 ); Blynk.config(Temperature2); Serial.print("Temperature2: "); Serial.println( Temperature2 ); Blynk.config(Hmn); Serial.print("H min: "); Serial.println( Hmn ); Blynk.config(Hour1); Serial.print("Hour 1: "); Serial.println( Hour1 ); Blynk.config(Hour2); Serial.print("Hour 2: "); Serial.println( Hour2 ); Blynk.config(tZ); Serial.print("Time Zone: "); Serial.println( tZ ); Blynk.config(blynk_token, "blynk-cloud.com", 8442); Serial.print("token: " ); Serial.println( blynk_token ); } bool loadConfig() { Serial.println("Load config..."); File configFile = SPIFFS.open("/config.json", "r"); if (!configFile) { Serial.println("Failed to open config file"); return false; } size_t size = configFile.size(); if (size > 1024) { Serial.println("Config file size is too large"); return false; } // Allocate a buffer to store contents of the file. std::unique_ptr<char[]> buf(new char[size]); // We don't use String here because ArduinoJson library requires the input // buffer to be mutable. If you don't use ArduinoJson, you may as well // use configFile.readString instead. configFile.readBytes(buf.get(), size); StaticJsonBuffer<200> jsonBuffer; JsonObject &json = jsonBuffer.parseObject(buf.get()); if (!json.success()) { Serial.println("Failed to parse config file"); return false; } // Save parameters strcpy(blynk_token, json["blynk_token"]); strcpy(address, json["address"]); strcpy(Tmx, json["Tmx"]); strcpy(Cmx, json["Cmx"]); strcpy(Temperature0, json["Temperature0"]); strcpy(Temperature1, json["Temperature1"]); strcpy(Temperature2, json["Temperature2"]); strcpy(Hmn, json["Hmn"]); strcpy(Hour1, json["Hour1"]); strcpy(Hour2, json["Hour2"]); strcpy(tZ, json["tZ"]); } void configModeCallback (WiFiManager *wifiManager) { String url {"http://192.168.4.1"}; printString("Connect to WiFi:"); printString("net: " + ssid); printString("pw: "+ pass); printString("Open browser:"); printString(url); printString("to setup device"); drawConnectionDetails(ssid, pass, url); } void setupWiFi() { //set config save notify callback wifiManager.setSaveConfigCallback(saveConfigCallback); // Custom parameters WiFiManagerParameter custom_tZ("tZ", "Time Zone", tZ, 5); wifiManager.addParameter(&custom_tZ); WiFiManagerParameter custom_Temperature0("Temperature0", "Temperature 0", Temperature0, 5); wifiManager.addParameter(&custom_Temperature0); WiFiManagerParameter custom_Hour1("Hour1", "Hour 1", Hour1, 5); wifiManager.addParameter(&custom_Hour1); WiFiManagerParameter custom_Temperature1("Temperature1", "Temperature 1", Temperature1, 5); wifiManager.addParameter(&custom_Temperature1); WiFiManagerParameter custom_Hour2("Hour2", "Hour 2", Hour2, 5); wifiManager.addParameter(&custom_Hour2); WiFiManagerParameter custom_Temperature2("Temperature2", "Temperature 2", Temperature2, 5); wifiManager.addParameter(&custom_Temperature2); WiFiManagerParameter custom_Cmx("Cmx", "Cmax", Cmx, 7); wifiManager.addParameter(&custom_Cmx); WiFiManagerParameter custom_Hmn("Hmn", "Hmin", Hmn, 5); wifiManager.addParameter(&custom_Hmn); WiFiManagerParameter custom_Tmx("Tmx", "Tmax", Tmx,5); wifiManager.addParameter(&custom_Tmx); WiFiManagerParameter custom_address("address", "E-mail", address, 64); wifiManager.addParameter(&custom_address); WiFiManagerParameter custom_blynk_token("blynk_token", "Blynk Token", blynk_token, 34); wifiManager.addParameter(&custom_blynk_token); wifiManager.setAPCallback(configModeCallback); wifiManager.setTimeout(180); if (!wifiManager.autoConnect(ssid.c_str(), pass.c_str())) { a++; Serial.println("mode OffLINE :("); loadConfigS(); synchronClockA(); } //save the custom parameters to FS if (shouldSaveConfig) { Serial.println("saving config"); DynamicJsonBuffer jsonBuffer; JsonObject &json = jsonBuffer.createObject(); json["blynk_token"] = custom_blynk_token.getValue(); json["address"] = custom_address.getValue(); json["Tmx"] = custom_Tmx.getValue(); json["Cmx"] = custom_Cmx.getValue(); json["Temperature0"] = custom_Temperature0.getValue(); json["Temperature1"] = custom_Temperature1.getValue(); json["Temperature2"] = custom_Temperature2.getValue(); json["Hmn"] = custom_Hmn.getValue(); json["Hour1"] = custom_Hour1.getValue(); json["Hour2"] = custom_Hour2.getValue(); json["tZ"] = custom_tZ.getValue(); File configFile = SPIFFS.open("/config.json", "w"); if (!configFile) { Serial.println("failed to open config file for writing"); } json.printTo(Serial); json.printTo(configFile); configFile.close(); //end save } //if you get here you have connected to the WiFi Serial.println("WiFi connected"); Serial.print("IP address: "); Serial.println(WiFi.localIP()); } BLYNK_WRITE(V10) { if (param.asInt() == 1) { buttonBlynk = true; Blynk.virtualWrite(V10, HIGH); drawBoot("Thermo ON"); } else { buttonBlynk = false; Blynk.virtualWrite(V10, LOW); drawBoot("Thermo OFF"); } } void mailer() { // wait for WiFi connection if((WiFiMulti.run() == WL_CONNECTED)) { HTTPClient http; Serial.print("[HTTP] begin...\n"); http.begin("http://skorovoda.in.ua/php/aqm42.php?mymail="+String(address)+"&t="+String(t) +"&h="+String(h)+"&co2="+String(co2)+"&ID="+String(ESP.getChipId())); Serial.print("[HTTP] GET...\n"); // start connection and send HTTP header int httpCode = http.GET(); // httpCode will be negative on error if(httpCode > 0) { // HTTP header has been send and Server response header has been handled Serial.printf("[HTTP] GET... code: %d\n", httpCode); // file found at server if(httpCode == HTTP_CODE_OK) { String payload = http.getString(); Serial.println(payload); } } else { Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str()); } http.end(); } } void HystTemperatureA() { float TemperaturePointA0Mn, TemperaturePointA0Pl; TemperaturePointA0Mn = TemperaturePointA0-Chs; TemperaturePointA0Pl = TemperaturePointA0+Chs; if (t<TemperaturePointA0Mn) { if (millis() - TimeTransmitMax > 120000){ TimeTransmitMax = millis(); transmitter.send(B11111110, 8); Serial.println ("t<TemperaturePointA0Mn Thermostat ON"); } } else if (millis() - TimeTransmitMax > 120000) { TimeTransmitMax = millis(); transmitter.send(B10000000, 8); Serial.println ("t>TemperaturePointA0Mn Thermostat OFF"); } if (t<TemperaturePointA0Pl) { if (millis() - TimeTransmitMax > 120000){ TimeTransmitMax = millis(); transmitter.send(B11111110, 8); Serial.println ("t<TemperaturePointA0Pl Thermostat ON"); } } else if (millis() - TimeTransmitMax > 120000) { TimeTransmitMax = millis(); transmitter.send(B10000000, 8); Serial.println ("t>TemperaturePointA0Pl Thermostat OFF"); } } void HystTemperature() { float TemperaturePoint0Mn, TemperaturePoint0Pl; TemperaturePoint0Mn = TemperaturePoint0-Chs; TemperaturePoint0Pl = TemperaturePoint0+Chs; if (t<TemperaturePoint0Mn) { if (millis() - TimeTransmitMax > 120000){ TimeTransmitMax = millis(); transmitter.send(B11111110, 8); Serial.println ("t<TemperaturePoint0Mn Thermostat ON"); } } else if (millis() - TimeTransmitMax > 120000) { TimeTransmitMax = millis(); transmitter.send(B10000000, 8); Serial.println ("t>TemperaturePoint0Mn Thermostat OFF"); } if (t<TemperaturePoint0Pl) { if (millis() - TimeTransmitMax > 120000){ TimeTransmitMax = millis(); transmitter.send(B11111110, 8); Serial.println ("t<TemperaturePoint0Pl Thermostat ON"); } } else if (millis() - TimeTransmitMax > 120000) { TimeTransmitMax = millis(); transmitter.send(B10000000, 8); Serial.println ("t>TemperaturePoint0Pl Thermostat OFF"); } } void TransmitterA(){ transmitter.send(B10101010, 8); //B10101010 - HystTemperatureA(); } void Transmitter(){ transmitter.send(B10101010, 8); //B10101010 - if (n>=24) n = 0; if (m>=60) m = 0; progr = 0; if ((hh >= HourPoint1) and (hh < HourPoint2)){ progr = 1; if (mm >= MinPoint1) progr = 1; if (mm < MinPoint2) progr = 1; } else if (hh >= HourPoint2) { progr = 2; if (mm >= MinPoint2) progr = 2; } if (buttonBlynk==true) { Serial.println ("BLynk: "); if (progr == 0) { TemperaturePoint0 = TemperaturePoint0; HystTemperature(); Serial.println (": t = " + String(TemperaturePoint0)); } else if (progr == 1) { TemperaturePoint0 = TemperaturePoint1; HystTemperature(); Serial.println (": t = " + String(TemperaturePoint0)); } else if (progr == 2){ TemperaturePoint0 = TemperaturePoint2; HystTemperature(); Serial.println (": t = " + String(TemperaturePoint0)); } } else { transmitter.send(B10000000, 8); Serial.println ("BLynk: "); } if (co2 > Cmax) { transmitter.send(B11111101, 8); Serial.println("co2 > Cmax"); } else transmitter.send(B00000010, 8); if (h < Hmin) { transmitter.send(B11111011, 8); Serial.println("h < Hmin"); } else transmitter.send(B00000100, 8); if (t > Tmax) { transmitter.send(B11110111, 8); Serial.println("t > Tmax"); } else transmitter.send(B00001000, 8); } void connectBlynk(){ if(String(blynk_token)== "Blynk token"){ drawBoot("OFFBLYNK!"); delay (3000); } else { drawBoot("Connect. Blynk"); Serial.println("Connecting to blynk..."); while (Blynk.connect() == false) { delay(500); Serial.println("Connecting to blynk..."); } } } void setup() { // factoryReset(); // RAM mySerial.begin(9600); Serial.begin(115200); transmitter.enableTransmit(2); u8g2.begin(); // drawBoot("Loading..."); // if (!SPIFFS.begin()) { Serial.println("Failed to mount file system"); ESP.reset(); } // drawBoot("Connect. WiFi"); setupWiFi(); timerCO2 = timer.setInterval(15000, readCO2); buttonBlynk = true; if(a == 1){ // Load config drawBoot("Load Config"); if (!loadConfig()) { Serial.println("Failed to load config"); factoryReset(); } else { Serial.println("Config loaded"); } Blynk.config(address); Serial.print("e-mail: "); Serial.println(address); Blynk.config(Tmx); Serial.print("T max: "); Serial.println(Tmx); Blynk.config(Cmx); Serial.print("CO2 max: "); Serial.println(Cmx); Blynk.config(Temperature0); Serial.print("Temperature 0: "); Serial.println(Temperature0); Blynk.config(Temperature1); Serial.print("Temperature1: "); Serial.println(Temperature1); Blynk.config(Temperature2); Serial.print("Temperature2: "); Serial.println(Temperature2); Blynk.config(Hmn); Serial.print("H min: "); Serial.println(Hmn); Blynk.config(Hour1); Serial.print("Hour 1: "); Serial.println(Hour1); Blynk.config(Hour2); Serial.print("Hour 2: "); Serial.println(Hour2); Blynk.config(tZ); Serial.print("Time Zone: "); Serial.println(tZ); Blynk.config(blynk_token, "blynk-cloud.com", 8442); Serial.print("token: " ); Serial.println(blynk_token); // char float Tmax = atof (Tmx); Cmax = atof (Cmx); TemperaturePoint0 = atof (Temperature0); TemperaturePoint1 = atof (Temperature1); TemperaturePoint2 = atof (Temperature2); Hmin = atof (Hmn); HourPoint1 = atof (Hour1); HourPoint2 = atof (Hour2); tZone = atof (tZ); // drawBoot("Clock synchr."); synchronClock(); // timerCO2 = timer.setInterval(15000, readCO2); timerBl = timer.setInterval(5000, sendToBlynk); connectBlynk(); // Blynk Blynk.virtualWrite(V10, HIGH); // V10 buttonBlynk = true; } } void loop(){ if (a == 2) { Serial.println(":( OffLINE"); timer.run(); Clock(); sendMeasurements(); TransmitterA(); drawOff(); delay(1000); } else if (a == 1) { Serial.println(":) OnLINE"); timer.run(); Clock(); Blynk.run(); BLYNK_WRITE(V10); Transmitter(); sendMeasurements(); if(String(blynk_token) == "Blynk token") drawOffBlynk(); else drawOn(); if (j>=24) j =0; if (hh == j){ if ((mm==30) and ((ss<30) )){ if ((t > Tmax) or (co2 > Cmax) or (h < Hmin) or ((progr == 0) and (t<(TemperaturePoint0-1.0)) or ((progr == 1) and (t<(TemperaturePoint1-1.0)) or ((progr == 2) and (t<(TemperaturePoint2-1.0)))))) mailer(); } } j++; } }