ThermoStat

thermo_main.ino

// include the library code:
#include <LiquidCrystal.h>
#include <RCSwitch.h>
#define aref_voltage 3.3

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(7, 8, 9, 10, 11, 12);
int tempPin = 0;
int tempReading;
RCSwitch mySwitch = RCSwitch();
int Target = 0;
float Sink = 0;
float Flot = 0;
boolean sinker = 0; 
float M_Target = 0;

void setup() {
  lcd.begin(16, 2);
  analogReference(EXTERNAL);
  lcd.print("### Booting ###");
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  delay(1000);
  lcd.setCursor(0, 1);
  lcd.print("Initializing");
  mySwitch.enableReceive(0);
  Serial.begin(9600);
  delay(1000);
  
}

float read_temp()
  {
    tempReading = analogRead(tempPin);
    float temperatureC;
    float voltage = tempReading * aref_voltage;
    voltage /= 1024.0;
    temperatureC = (voltage - 0.5) * 100 ;
    return temperatureC;
  } 
  
void loop() {
 
  String Code = "";
  if (mySwitch.available()) {
  Code = output(mySwitch.getReceivedValue(), mySwitch.getReceivedBitlength(), mySwitch.getReceivedDelay(), mySwitch.getReceivedRawdata(),mySwitch.getReceivedProtocol());
  mySwitch.resetAvailable();
  
  if (String(Code.charAt(2)) == "1" && String(Code.charAt(1)) == "1" && String(Code.charAt(0)) == "1")
    {
    float temp_1 = read_temp(); 
      delay(500); 
    float temp_2 = read_temp(); 
       delay(500); 
    float temp_3 = read_temp(); 
       delay(500); 
    float temp_4 = read_temp(); 
       delay(500); 
    float temp_5 = read_temp();     
    
    float temperatureC = round((temp_1 + temp_2 + temp_3 + temp_4 + temp_5) / 5);
    float rawC = (temp_1 + temp_2 + temp_3 + temp_4 + temp_5) / 5;
        String Status = "";
        String S_Target = String(Code.charAt(6)) + String(Code.charAt(7)) + String(Code.charAt(8)) +  String(Code.charAt(9)) + String(Code.charAt(10));
  
        if (S_Target == "1110")  Target = 14;
        if (S_Target == "1111")  Target = 15;
        if (S_Target == "10000") Target = 16;
        if (S_Target == "10001") Target = 17;
        if (S_Target == "10010") Target = 18;
        if (S_Target == "10011") Target = 19;
        if (S_Target == "10100") Target = 20;
        if (S_Target == "10101") Target = 21;
        if (S_Target == "10110") Target = 22;
        if (S_Target == "10111") Target = 23;
        if (S_Target == "11000") Target = 24;
        if (S_Target == "11001") Target = 25;
        if (S_Target == "11010") Target = 26;
        if (S_Target == "11011") Target = 27;
        if (S_Target == "11100") Target = 28;
        if (S_Target == "11101") Target = 29;
        if (S_Target == "11111") Target = 30;
        
        M_Target = Target; 
        Sink = Target - 1; 
        Flot = Target + 1; 
  
      Serial.print("Sink: "); 
        Serial.println(Sink); 
        Serial.print("Flot: "); 
        Serial.println(Flot); 
        
        Serial.print("Raw/Run Logic Temp: "); 
        Serial.println(rawC); 
        Serial.print("TempC/Rounded Temp: "); 
        Serial.println(temperatureC); 
        Serial.print("Target: "); 
        Serial.println(Target); 
        
        
        if (String(Code.charAt(3)) == "1")
        {
          //Too Hot
          if (String(Code.charAt(4)) == "0")
          {
            if(Target <= int(rawC)) {digitalWrite(3,0);digitalWrite(4,0); sinker = true; }
            if(sinker == true && rawC <= Sink) {sinker = false;}
            if(Target >= int(rawC) && sinker == false)   {digitalWrite(3,1);digitalWrite(4,0);Status += "HEATING ";Serial.println("SysCode: H1");}
            if(sinker == true)    {Status += "HOLDING ";Serial.println("SysCode: HH");}
          }
          
           Serial.print("SINKER FLAG: "); 
           Serial.println(sinker); 
           Serial.println("-----------------------------------"); 
  
          //Too Cold
          if (String(Code.charAt(4)) == "1")
          {
            if(Target >= int(rawC)) {digitalWrite(3,0);digitalWrite(4,0); sinker = true; }
            if(sinker == true && rawC >= Flot) {sinker = false;}
            if(Target <= int(rawC) && sinker == false)   {digitalWrite(4,1);digitalWrite(3,0);Status += "COOLING ";Serial.println("SysCode: C1");}
            if(sinker == true)    {Status += "HOLDING ";Serial.println("SysCode: CH");}
          }
  
          if (String(Code.charAt(5)) == "1") {
            digitalWrite(5,1);
            Status += "WITH FAN       ";
          }
          if (String(Code.charAt(5)) == "0") {
            digitalWrite(5,0);
            Status += "                ";
          }
  
          lcd.setCursor(0, 0);
          lcd.print(Status + Target);
        }
        else {
          lcd.setCursor(0, 0);
          lcd.print("System Offline            ");
          digitalWrite(3,0);
          digitalWrite(4,0);
          digitalWrite(5,0);
          
        }
      
    
    lcd.setCursor(0, 1);
    lcd.print(rawC);
    lcd.print(" C / " + String(Target) + " C        ");
    delay(5000); 
    }
  }
}