/*
Michael Kontopoulos
2009
Sigh Collector (Reciever Module)
*/

#include <NewSoftSerial.h>
NewSoftSerial mySerial =  NewSoftSerial(2,3); //instead of 1,2 (rx,tx)
int ledPin = 13;
int pump = 9; 
int reading;         
int previous = LOW;

long time = 0;         // the last time the output pin was toggled
long debounce = 1000;   // the debounce time, increase if the output flickers

boolean pumpRunning;
int stepCounter;
long pumpStartTime=0;
long thresh;

void setup()
{

  pinMode(pump, OUTPUT);
  pumpRunning = false;
  stepCounter = 0;
  thresh = 2000;

  Serial.begin(9600);
  mySerial.begin(9600);

}

void loop()
{
  serialHandler();
  char val = (char)mySerial.read();
  if(val == '8') //red button  
  {  
    reading = HIGH;
    Serial.print("sigh! stationary unit\t");
    //Serial.print(reading);
  }
  else{
    reading = LOW;
  }

  

  //Pump check
  if(!pumpRunning && stepCounter > 0)
  {
    startPump();
    stepCounter--;
  }


  long diff = millis() - pumpStartTime;
  if (pumpRunning && diff > thresh)
  {
    stopPump();
  }

  //Register button pressing
  //Includes Debouncing
  if (reading == HIGH && previous == LOW && millis() - time > debounce) {

    stepCounter++;

    time = millis();   
  }

  previous = reading;


} // end main



void startPump()
{
  digitalWrite(ledPin, HIGH);
  digitalWrite(pump, HIGH);
  pumpRunning = true;
  pumpStartTime = millis();
}

void stopPump()
{
  digitalWrite(ledPin, LOW);
  digitalWrite(pump, LOW);
  pumpRunning = false;

}

void serialHandler()
{
  if (mySerial.available()) {
    Serial.print((char)mySerial.read());
  }
  if (Serial.available()) {
    mySerial.print((char)Serial.read());
  }

  delay(100);

}