/*
*  ap_ReadDigital
*  
*  Reads an digital input from the input pin and sends the value 
*  followed by a line break over the serial port. 
* 
*  This file is part of the Arduino meets Processing Project.
*  For more information visit http://www.arduino.cc.
*
*  copyleft 2005 by Melvin Ochsmann for Malmš University
*
*/


// variables for input pin and control LED 
  int digitalInput = 7;
  int LEDpin = 13;
  
// variable to store the value 
  int value = 0;
 
void setup(){

// declaration pin modes
  pinMode(digitalInput, INPUT);
  pinMode(LEDpin, OUTPUT);
  
// begin sending over serial port
  beginSerial(9600);
}

void loop(){
// read the value on digital input
  value = digitalRead(digitalInput);

// write this value to the control LED pin
digitalWrite(LEDpin, value);

// if value is high then send the letter 'H' else send 'L' for low
if (value)  serialWrite('H');   
            else 
            serialWrite('L');
  
 // wait a bit to not overload the port
  delay(10);	
}