/* Analog Value to Serial Using a Function
 * ------------
 * by Jeff Gray
 *
 * Sends Analog value from pin 0 to serial out using a function
 */

//Function Prototype
void serialSend(int data);

//Pins
int statusLED = 13;
int analogPin = 0;

//Variables
int analogValue;

void setup() 
{
  pinMode(statusLED, OUTPUT);   // pin 13 status LED
  pinMode(analogPin, INPUT);          // pin 0 for analog in
  beginSerial(9600);            // initialize serial port
}

void loop(){
  digitalWrite(statusLED, HIGH);
  analogValue = analogRead(analogPin);
  serialSend(analogValue/4);    // send 1/4 of the analogValue to our function
}

void serialSend(int _data) {    // this function formats our analog value for easy reading
  printInteger(_data);          // print Integer
  serialWrite(10);              // print carraige return and line feed 
  serialWrite(13);
}