Wifi Регистратор данных без Задержки

Я действительно новичок в Arduino, поэтому, пожалуйста, потерпите меня.

Я запускаю Arduino Uno с несколькими датчиками, чтобы захватить некоторые данные, связанные с аквариумом. Вот в основном, что он делает:

• Захват данных (свет, температура и т. Д.)
• Отображение данных на ЖК-экране при нажатии кнопки
• Загружайте данные в thingspeak каждые 5 минут, используя ESP8266
• Кормить рыбу каждые 4 часа через серво
• RGB - светодиод мигает различными цветами, чтобы я мог видеть, что происходит (например, красный при подключении к Wi-Fi).

Все работает достаточно хорошо. Тем не менее, мой код очень грязный, и я не уверен, что у меня есть правильный подход. С тем кодом который у меня есть: - Ничего нельзя сделать, пока Arduino загружает Wi-Fi - Ничего нельзя сделать, когда рыба сыта.

Речь идет не столько о сервомоторе, сколько о проблеме Wi-Fi. Как бы вы посоветовали мне переписать свой код так, чтобы (1) я мог запускать Wi-Fi более одного раза в 5 минут и (2) он не блокировал мои датчики и жидкокристаллический дисплей, пока я это делаю?

Извините за плохое качество кода. Новичок здесь.

//Include LCD Libraries
    #include <Wire.h> 
    #include <LiquidCrystal_I2C.h>
    #include <stdlib.h>

//Include Water Probe library
    #include <OneWire.h> 

//Include DHT11 Libraries
    #include <dht11.h>

//Include Servo Libraries
    #include <Servo.h> 

//Set Peripherals
    dht11 DHT11;
    LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display
    Servo myservo;  // create servo object to control a servo  

//Pins for LCD are SDA=A4 and SCL=A5

//Variables for sensors
    String sunlight;
    String watertemp;
    float airtemp;
    float airhumid;
    OneWire  ds(10); //water temperature, pin 10

//Variables for LCD button
    #define BUTTON_PIN A3    // Set pin Buttons for Backlight LCD.
    unsigned int currentLcdLightOnTime = 0; // For calculating the lcd light on time.
    unsigned long lcdLightOn_StartMillis;
    boolean isLcdLightOn;
    int buttonState = 0;// For checking push-button state.

// Variables for Status LED
    int ledState = LOW;             // ledState used to set the LED
    long previousMillis = 0; 
    long interval = 1000;           // interval at which to blink (milliseconds)


//Variables to display LCD Numbers
    char bufferhours[5]; //Output of the itoa function for hours
    char bufferminutes[5]; //Output of the itoa function for minutes
    // We don't care for seconds. It's irrelevant.
    int moisture;

//Variables for Wifi Update
    //long DELAYWIFI = 10000; //For test purposes
    long DELAYWIFI = 300000; //Every 5 minutes
    long endtimewifi; 
    long nowwifi;

//Variables for Servo
    long FEEDINGDELAY = 14400000; // Feed every 4 hours
    //long FEEDINGDELAY = 30000; //For test purposes
    int pos = 0;    // variable to store the servo position 
    long endtime; 
    long now;
    long timeuntilfeeding;

//Variables for Sunlight
    float percent; //transform number above into a percent  

// Variables for Wifi Updates

    #include <SoftwareSerial.h>

    //Hardware Serial
    #define _baudrate 9600

    //Software Serial
    #define _rxpin      0
    #define _txpin      1
    SoftwareSerial esp8266( _rxpin, _txpin ); // RX, TX

    //Thingspeak and Wifi Information
    #define SSID "xxx"
    #define PASS "yyy"
    #define IP "zzz" // ThingSpeak IP Address: 184.106.153.149

    // GET /update?key=[THINGSPEAK_KEY]&field1=[data 1]&filed2=[data 2]...;
    String GET = "GET /update?key=www";

// Initiates special characters. http://omerk.github.io/lcdchargen/

byte thermometer[8] = //icon for thermometer
{
    B00100,
    B01010,
    B01010,
    B01110,
    B01110,
    B11111,
    B11111,
    B01110
};

byte droplet[8] = //icon for water droplet
{
    B00100,
    B00100,
    B01010,
    B01010,
    B10001,
    B10001,
    B10001,
    B01110,
};


byte degree[8] = { // degree centigrade
  B01000,
  B10100,
  B01000,
  B00011,
  B00100,
  B00100,
  B00011,
  B00000
};

byte sun[8] = {
    0b00100,
    0b10001,
    0b01110,
    0b11111,
    0b11111,
    0b01110,
    0b10001,
    0b00100
};

void setup()
{
  lcd.init();// initialize the lcd 

//Initialize DHT/
    DHT11.attach(2);

// set the digital pin as output for LED:
    pinMode(13, OUTPUT); 
    pinMode(12, OUTPUT); 
    pinMode(11, OUTPUT);

//Connect to Wifi
    Serial.begin(9600);
    esp8266.begin(9600);
    boolean wifi_connected=false; //not connected yet...

    sendesp8266("AT");
    delay(2000);
    for(int i=0;i<5;i++) //attempt 5 times to connect to wifi - this is a good idea
    {
    if(connectWiFi()) //are we connected?
    {
    wifi_connected = true; //yes
    break; //get outta here!
    }
    }

//Initiate characters
    lcd.createChar(0, thermometer);
    lcd.createChar(1, droplet);
    lcd.createChar(2, degree);
    lcd.createChar(3, sun);

}

void loop(){
    now = millis();
    endtime = now + FEEDINGDELAY;

    while(now < endtime) {   // While loop for the feeding
    timeuntilfeeding = endtime - millis();
    now = millis();

    nowwifi = millis();
    endtimewifi = nowwifi + DELAYWIFI;

    while(nowwifi < endtimewifi) {   // While loop for wifi update
    nowwifi = millis();

//We capture sensors

    //Sunlight
    float value_sunlight = analogRead(A2);
    percent = value_sunlight / 1024.0 * 100;  //Convert dryness score into moisture percentage
    String sunlight =String(percent);// turn integer to string

    //Water Temperature
    float value_watertemp = getTemp();
    String watertemp= String(value_watertemp);// turn integer to string

    //Air Temperature and Humidity
    int chk = DHT11.read(); //Read DHT11 Sensor
    float airtemp=float(DHT11.temperature);// turn integer to string    
    float airhumid=float(DHT11.humidity);// turn integer to string  

    // LED Blinking
    unsigned long currentMillis = millis();
    if(currentLcdLightOnTime == 0){ //We only blink when LCD is not on
    if(currentMillis - previousMillis > interval) {
    // save the last time you blinked the LED 
    previousMillis = currentMillis;   
    // if the LED is off turn it on and vice-versa:
    if (ledState == LOW)
      ledState = HIGH;
    else
      ledState = LOW;
    // set the LED with the ledState of the variable:
    digitalWrite(11, ledState);
    }}

  buttonState = digitalRead(BUTTON_PIN);// Check the state of the push-button.

  if (buttonState == HIGH){// Button pressed.

      digitalWrite(11, LOW);

    lcdLightOn_StartMillis = millis();
    currentLcdLightOnTime = 0;
    isLcdLightOn = true;
    lcd.setBacklight(1); // switch on the backlight

    //Screen 0 Presentation

    lcd.setCursor(0, 0);
    lcd.print(" Aquaponics Bot ");

    lcd.setCursor(0, 1);
    lcd.print("  Version 1.0      ");
  }

  else{
    // Button not pressed.

    //Serial.println("Button not pressed - LOW");

    if(isLcdLightOn){
      currentLcdLightOnTime = millis() - lcdLightOn_StartMillis;

        //Screen 2
        if(currentLcdLightOnTime > 3000 && currentLcdLightOnTime <= 6000){

    //Screen 2 - Air Temperature & Humidity

    //Line 1
    lcd.setCursor(0, 0);
    lcd.print("  Air Sensors  ");

    //Line 2
    lcd.setCursor(0, 1);
    lcd.write(0);
    lcd.print(": ");
    lcd.println(airtemp);
    lcd.setCursor(5, 1);
    lcd.write(2);

    lcd.print(" - ");
    lcd.write(1);
    lcd.print(": ");
    lcd.print(airhumid);
    lcd.setCursor(14, 1);
    lcd.print("%   ");



        }  

        //Screen 3
        if(currentLcdLightOnTime > 6000 && currentLcdLightOnTime < 9000){

     //Screen 3 - Water Data

    //Line 1
    lcd.setCursor(0, 0);
    lcd.print(" Water Sensors ");

    //Line 2
    lcd.setCursor(0, 1);
    lcd.write(0);
    lcd.print(": ");
    lcd.println(watertemp);
    lcd.setCursor(5, 1);
    lcd.write(2);

    lcd.print(" -  soon   ");

   }   

    //Screen 4

        if(currentLcdLightOnTime > 9000 && currentLcdLightOnTime < 12000){ 

   //Screen 4 - Light Sensors

    //Line 1
    lcd.setCursor(0, 0);
    lcd.print(" Light Sensors  ");

    //Line 2
    lcd.setCursor(0, 1);
    lcd.write(3);
    lcd.print(": ");
    lcd.println(sunlight);
    lcd.setCursor(5, 1);
    lcd.print("% - soon   ");


      }  

            if(currentLcdLightOnTime > 12000 && currentLcdLightOnTime < 15000){

     //Screen 5 - Next Feeding

                long hours=0;
                long mins=0;
                long secs=0;

                secs = timeuntilfeeding/1000; //convect milliseconds to seconds
                mins=secs/60; //convert seconds to minutes
                hours=mins/60; //convert minutes to hours
                secs=secs-(mins*60); //subtract the coverted seconds to minutes in order to display 59 secs max 
                mins=mins-(hours*60); //subtract the coverted minutes to hours in order to display 59 minutes max
                //Display results
                itoa(hours, bufferhours, 10);//Convert the number of hours into readable by LCD
                itoa(mins, bufferminutes, 10);//Convert the number of minutes into readable by LCD
                lcd.setCursor(0, 0);
                lcd.print("Fish Feeding: ");
                lcd.setCursor(0, 1);
                lcd.print(bufferhours);
                lcd.print(" hours ");
                lcd.print(bufferminutes);
                lcd.print(" min.   ");


   }       


        // Turn Off the Screen      
      if(currentLcdLightOnTime > 15000){
        lcd.clear();
        isLcdLightOn = false;
        lcd.setBacklight(0); // switch off the backlight

        currentLcdLightOnTime = 0; //So that the blinking can start again.
        ledState = LOW; 
      }
    }
  }

    } // End of the while wifi loop

    // Make sure we are still connected to the internet

    esp8266.begin(9600);
    boolean wifi_connected=false; //not connected yet...

    sendesp8266("AT");
    delay(2000);
    for(int i=0;i<5;i++) //attempt 5 times to connect to wifi - this is a good idea
    {
    if(connectWiFi()) //are we connected?
    {
    wifi_connected = true; //yes
    break; //get outta here!
    }
    }

    digitalWrite(13, HIGH);

    //We capture sensors again to send the value

    //Sunlight
    float value_sunlight = analogRead(A2);
    percent = value_sunlight / 1024.0 * 100;  //Convert dryness score into moisture percentage
    String sunlight =String(percent);// turn integer to string

    //Water Temperature
    float value_watertemp = getTemp();
    String watertemp= String(value_watertemp);// turn integer to string

    //Air Temperature and Humidity
    int chk = DHT11.read(); //Read DHT11 Sensor
    String airtemp=String(DHT11.temperature);// turn integer to string  
    String airhumid=String(DHT11.humidity);// turn integer to string    

    updateTS(sunlight,watertemp, airtemp, airhumid);
    delay(3000); //
    digitalWrite(13, LOW);


  } // End of the while feeding loop

  // Double Swipe to Feed the Fish


    //Intialize Servo
    myservo.attach(3);  // attaches the servo on pin 3 to the servo object  
    //Display that the fish is being fed.
    digitalWrite(13, HIGH);

    for(pos = 0; pos < 180; pos += 5)  // goes from 0 degrees to 180 degrees 
      {                                  // in steps of 1 degree 
        myservo.write(pos);              // tell servo to go to position in variable 'pos' 
        delay(15);                       // waits 15ms for the servo to reach the position 
       } 

    for(pos = 180; pos>=0; pos-=5)     // goes from 180 degrees to 0 degrees 
       {                                
         myservo.write(pos);              // tell servo to go to position in variable 'pos' 
         delay(15);                       // waits 15ms for the servo to reach the position 
       } 

    myservo.detach();  // detattaches the servo from pin 3
    //Clears display
    digitalWrite(13, LOW);

    // SEND AN EMAIL OR UPDATE A DATABASE..

    }


    //----- update the  Thingspeak string with 4 values
    void updateTS( String L, String W , String T, String H)
    {
    // ESP8266 Client
    String cmd = "AT+CIPSTART=\"TCP\",\"";// Setup TCP connection
    cmd += IP;
     cmd += "\",80";
    sendesp8266(cmd);
      delay(2000);
    if( Serial.find( "Error" ) )
    {
      esp8266.print( "RECEIVED: Error\nExit1" );
    return;
    }

     cmd = GET + "&field1=" + L +"&field2="+ W + "&field3=" + T + "&field4=" + H +"\r\n";
     Serial.print( "AT+CIPSEND=" );
     Serial.println( cmd.length() );
     if(Serial.find( ">" ) )
     {
     esp8266.print(">");
     esp8266.print(cmd);
     Serial.print(cmd);
     }
     else
     {
     sendesp8266( "AT+CIPCLOSE" );//close TCP connection
     }
     if( Serial.find("OK") )
     {
     esp8266.println( "RECEIVED: OK" );
    }
    else
    {
    esp8266.println( "RECEIVED: Error\nExit2" );
     }
     }

    void sendesp8266(String cmd) //Send info to esp8266
     {
    esp8266.print("SEND: ");
     esp8266.println(cmd);
     Serial.println(cmd);
     }

     boolean connectWiFi()
      {
     digitalWrite(11, LOW);
     digitalWrite(12, HIGH);
     Serial.println("AT+CWMODE=1");//WiFi STA mode - if '3' it is both client and AP
     delay(5000);
     //Connect to Router with AT+CWJAP="SSID","Password";
     // Check if connected with AT+CWJAP?
     String cmd="AT+CWJAP=\""; // Join accespoint
     cmd+=SSID;
     cmd+="\",\"";
     cmd+=PASS;
     cmd+="\"";
     sendesp8266(cmd);
     delay(15000);

     digitalWrite(12, LOW);

     if(Serial.find("OK"))
     {
      esp8266.println("RECEIVED: OK");
      return true;
     }
     else
     {
       esp8266.println("RECEIVED: Error");
       return false;
     }

     cmd = "AT+CIPMUX=0";// Set Single connection
     sendesp8266( cmd );
     if( Serial.find( "Error") )
     {
     esp8266.print( "RECEIVED: Error" );
      return false;
     }
   }

   float getTemp(){ //Get the water temperature
    //returns the temperature from one DS18S20 in DEG Celsius

    byte data[12];
    byte addr[8];

     if ( !ds.search(addr)) {
      //no more sensors on chain, reset search
      ds.reset_search();
      return -1000;
     }

    if ( OneWire::crc8( addr, 7) != addr[7]) {
     Serial.println("CRC is not valid!");
     return -1000;
    }

    if ( addr[0] != 0x10 && addr[0] != 0x28) {
     Serial.print("Device is not recognized");
      return -1000;
    }

    ds.reset();
    ds.select(addr);
    ds.write(0x44,1); // start conversion, with parasite power on at the end

     byte present = ds.reset();
    ds.select(addr);  
    ds.write(0xBE); // Read Scratchpad


    for (int i = 0; i < 9; i++) { // we need 9 bytes
     data[i] = ds.read();
    }

    ds.reset_search();

    byte MSB = data[1];
    byte LSB = data[0];

    float tempRead = ((MSB << 8) | LSB); //using two's compliment
    float TemperatureSum = tempRead / 16;

    return TemperatureSum;

    }