#include <OneWire.h>
#include <DallasTemperature.h>
#include <AutoPID.h>

//WiFI
double Temp_desired;

//Hall-effect
byte sensorInterrupt0 = 0;  // 0 = digital pin 2
byte sensorInterrupt1 = 1;  // 1 = digital pin 3
byte sensorPin2       = 2;
byte sensorPin3       = 3;

float calibrationFactor = 4.5;
volatile byte pulseCount_HW;
volatile byte pulseCount_CW;
unsigned long oldTime;

//Temperature Sensors
#define ONE_WIRE_BUS 5
OneWire oneWire(ONE_WIRE_BUS);

DallasTemperature sensors(&oneWire);
int resT = 12;
//////////////////////////////////////////////////////////////////////////
// Change This to the address specific to your sensor
DeviceAddress Temp_CW ={0x28, 0xC9, 0x21, 0x97, 0x94, 0x08, 0x03, 0x67};
DeviceAddress Temp_Out={0x28, 0xEA, 0x1D, 0x97, 0x94, 0x12, 0x03, 0x26};
DeviceAddress Temp_HW ={0x28, 0x87, 0x3A, 0x97, 0x94, 0x04, 0x03, 0x40};
//////////////////////////////////////////////////////////////////////////
unsigned long time;

//block valve
byte blockPin10   = 10;

//PID
#define OUTPUT_MIN 0
#define OUTPUT_MAX 255
#define KP .12
#define KI .0003
#define KD 0
double temperature, setPoint, outputVal;
AutoPID myPID(&temperature, &setPoint, &outputVal, OUTPUT_MIN, OUTPUT_MAX, KP, KI, KD);
unsigned long lastTempUpdate;
byte controlPin7 = 7;

double temp_out;

void setup() 
{ 
  // Initialize a serial connection for reporting values to the host
  Serial.begin(9600);

  //Setup for hall-effect flowmeters
  pinMode(sensorPin2, INPUT);
  digitalWrite(sensorPin2, HIGH);

  pinMode(sensorPin3, INPUT);
  digitalWrite(sensorPin3, HIGH);

  pulseCount_HW     = 0;
  pulseCount_CW     = 0;
  oldTime           = 0;

  attachInterrupt(sensorInterrupt0, pulseCounter_HW, FALLING);
  attachInterrupt(sensorInterrupt1, pulseCounter_CW, FALLING);

  //Setup for Temperature Sensors
  sensors.begin();
  sensors.setResolution(Temp_CW, resT);
  sensors.setResolution(Temp_Out, resT);
  sensors.setResolution(Temp_HW, resT);

  //block valve
  pinMode(blockPin10, OUTPUT);
  digitalWrite(blockPin10, LOW);

  //PID
  pinMode(controlPin7, OUTPUT);
}

void loop()
{
  setPoint = 97;
  temperature = 95;    
  sensors.requestTemperatures();
  delay(3000);
  pulseCount_HW = 10;
  pulseCount_CW = 0;
  if(pulseCount_HW > 5 && pulseCount_CW < 5)
  {
    digitalWrite(blockPin10, HIGH);
  }
  else
  {
    digitalWrite(blockPin10, LOW);
  }
  myPID.run();
  analogWrite(controlPin7, outputVal);
}

void fm_hw_loop() 
 {
 // put your main code here, to run repeatedly:
 if(millis() - oldTime > 1000)
   {detachInterrupt(sensorInterrupt0);
   oldTime = millis();

   unsigned int frac; //I don't know if this is needed!!

   Serial.print("pulseCount_HW is:");
   Serial.print("\t");
   Serial.print(pulseCount_HW);
   Serial.print("/t");

   pulseCount_HW = 0;

   attachInterrupt(sensorInterrupt0, pulseCount_HW, FALLING);
   }
 }

void fm_cw_loop() 
 {
 // put your main code here, to run repeatedly:
 if(millis() - oldTime > 1000)
   {detachInterrupt(sensorInterrupt1);
   oldTime = millis();
    
   unsigned int frac; //I don't know if this is needed!!

   Serial.print("pulseCount_CW is:");
   Serial.print("\t");
   Serial.print(pulseCount_CW);
   Serial.print("/t");

   pulseCount_CW = 0;

   attachInterrupt(sensorInterrupt1, pulseCount_CW, FALLING);
   }
 }

void pulseCounter_HW()
{ 
  pulseCount_HW++;
}  

void pulseCounter_CW()
{
pulseCount_CW++;  
}