/*
   -- ThermalCycler --
   
   This source code of graphical user interface 
   has been generated automatically by RemoteXY editor.
   To compile this code using RemoteXY library 2.4.3 or later version 
   download by link http://remotexy.com/en/library/
   To connect using RemoteXY mobile app by link http://remotexy.com/en/download/                   
     - for ANDROID 4.5.1 or later version;
     - for iOS 1.4.1 or later version;
    
   This source code is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.    
*/

//////////////////////////////////////////////
//        RemoteXY include library          //
//////////////////////////////////////////////

// RemoteXY select connection mode and include library 
#define REMOTEXY_MODE__ESP8266_HARDSERIAL_POINT

#include <RemoteXY.h>
#include <time.h>

// RemoteXY connection settings 
#define REMOTEXY_SERIAL Serial
#define REMOTEXY_SERIAL_SPEED 115200
#define REMOTEXY_WIFI_SSID "RemoteXY"
#define REMOTEXY_WIFI_PASSWORD "12345678"
#define REMOTEXY_SERVER_PORT 6377

int coolMode = 9; // Cooling Relay connected to Pin 9
int heatMode = 10; // Heating Relay connected to Pin 10
int fan = 11; //Fan Relay connected to Pin 11
int ThermistorPin = 0; //Thermistor connected to Analog Pin 0

unsigned long startTime; //Time measured in milliseconds

float denaturingTemp;
float annealingTemp;
float extensionTemp;
int numberCycles;
int currentCycles;

// Thermistor Variables Definitions
int Vo;
float R1 = 10000;
float logR2, R2, T;
float c1 = 1.009249522e-03, c2 = 2.378405444e-04, c3 = 2.019202697e-07;
float Temp;

// RemoteXY configurate  
#pragma pack(push, 1)
uint8_t RemoteXY_CONF[] =
  { 255,15,0,4,0,180,0,10,16,0,
  7,12,15,36,18,4,2,26,2,3,
  7,12,15,46,18,4,2,26,2,3,
  7,12,15,55,18,4,2,26,2,3,
  129,0,7,32,35,3,24,68,101,110,
  97,116,117,114,105,110,103,32,84,101,
  109,112,101,114,97,116,117,114,101,0,
  129,0,7,42,34,3,24,65,110,110,
  101,97,108,105,110,103,32,84,101,109,
  112,101,114,97,116,117,114,101,0,129,
  0,8,51,34,3,24,69,120,116,101,
  110,115,105,111,110,32,84,101,109,112,
  101,114,97,116,117,114,101,0,68,17,
  3,2,94,27,8,36,7,20,50,36,
  14,4,2,26,2,129,0,48,32,19,
  3,24,78,111,46,32,111,102,32,67,
  121,99,108,101,115,0,2,0,72,43,
  22,10,2,26,31,31,83,84,65,82,
  84,0,83,84,79,80,0 };
  
// this structure defines all the variables and events of your control interface 
struct {

    // input variables
  float denatTemp;
  float anneaTemp;
  float extenTemp;
  int16_t numbCycles;  // 32767.. +32767 
  uint8_t switch_1; // =1 if switch ON and =0 if OFF 

    // output variables
  float Temperature;

    // other variable
  uint8_t connect_flag;  // =1 if wire connected, else =0 

} RemoteXY;
#pragma pack(pop)

/////////////////////////////////////////////
//           END RemoteXY include          //
/////////////////////////////////////////////



void setup() 
{
  RemoteXY_Init (); 
  pinMode(coolMode, OUTPUT);
  pinMode(heatMode, OUTPUT);
  pinMode(fan, OUTPUT);
  
  // TODO you setup code
  
}

void loop() 
{ 
  RemoteXY_Handler ();
  denaturingTemp = RemoteXY.denatTemp;
  annealingTemp = RemoteXY.anneaTemp;
  extensionTemp = RemoteXY.extenTemp;
  numberCycles = RemoteXY.numbCycles;
  Temp = thermistorTemp();
  RemoteXY.Temperature = Temp;

  digitalWrite(heatMode, HIGH);
  digitalWrite(coolMode, HIGH);
  digitalWrite(fan, HIGH);
  
  while(RemoteXY.switch_1==1)
  {
    for(int currentCycle = 0; currentCycle<=numberCycles; currentCycles++)
    {
      maintainTemp(denaturingTemp);
      maintainTemp(annealingTemp);
      maintainTemp(extensionTemp);
    }
  }
}


void maintainTemp(float setpoint)
{
  startTime = millis();
  while((millis()-startTime)<60000)
  {
    Temp = thermistorTemp();
    RemoteXY.Temperature = Temp;
    while(Temp<setpoint)
    {
      digitalWrite(heatMode, LOW);
      digitalWrite(coolMode, HIGH);
      digitalWrite(fan, HIGH);
      Temp = thermistorTemp();
      RemoteXY.Temperature = Temp;
      delay(500);
    }

    while(Temp>setpoint+2)
    {
      digitalWrite(heatMode, HIGH);
      digitalWrite(coolMode, LOW);
      digitalWrite(fan, LOW);
      Temp = thermistorTemp();
      RemoteXY.Temperature = Temp;
      delay(500);
    }
  }
}

float thermistorTemp()
{
  Vo = analogRead(ThermistorPin);
  R2 = R1 * (1023.0 / (float)Vo - 1.0);
  logR2 = log(R2);
  T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
  T = T - 273.15;
  return T;
  delay(500);
}