// Processing code for Sparkfun BlueTooth Test
//
// sends and receives data from an arduino with an oldish
// SparkFun BlueTooth module connected.
//
// details here:
// http://wiki.dxarts.washington.edu/groups/general/wiki/5e22f/Using_Sparkfun_BlueTooth_Module.html
//
// rtwomey@u.washington.edu, Feb 2013

import processing.serial.*;

Serial myPort;

void setup() {
  //set up window, though all the action will occur in the text output zone
  size(200, 200);

  // List available ports
  println(Serial.list()); 

  // Open the port that is the bluetooth device.
  // you must have already setup the bluetooth device--
  // on OS X you simply select the bluetooth icon, Setup Bluetooth Device"
  // use 1234 for the passcode for Sparkfun BTM-182
  myPort = new Serial(this, Serial.list()[4], 9600);

  println("connected to "+Serial.list()[4]);
}

void draw() {
  for(int i=0; i<256; i++) {   // loop through 256 binary values
    myPort.clear(); // dump any stray data

    myPort.write(i); // send current i to bluetooth device

    print("Sent: "); // echo info to log window
    print(int(i));
    print(" -> ");

    delay(100);  // wait a bit

    while (myPort.available() > 0) {  // read new data
      int inByte = myPort.read();
      print("Received: ");  // echo to log window
      print(inByte);
    }
    println();
  }
}