Bússola Digital HMC5883L

* Modified by Solucionática on Oct,23th * 2013.

*

* Sends a byte out the serial port, and reads 3 bytes in.

* Sets foregound color, xpos, and ypos of a circle onstage

* using the values returned from the serial port.

* Thanks to Daniel Shiffman and Greg Shakar for the improvements.

*

* Note: This sketch assumes that the device on the other end of the serial

* port is going to send a single byte of value 65 (ASCII A) on startup.

* The sketch waits for that byte, then sends an ASCII A whenever

* it wants more data.

*/

import processing.serial.*;

Serial myPort; // The serial port

int[] serialInArray = new int[3]; // Where we'll put what we receive

int serialCount = 0; // A count of how many bytes we receive

int xpos, ypos,zpos; // Starting position of the ball

boolean firstContact = false;

int inByte;

// Whether we've heard from the microcontroller

void setup() {

//size(256, 256); // Stage size

//noStroke(); // No border on the next thing drawn

frameRate(4);

size(640, 360, P3D);

stroke(204,50,0);

//for(int i=0; i<num; i++) {

// colors[i] = color(255 * (i+1)/num);

// Set the starting position of the ball (middle of the stage)

xpos = width/2;

ypos = height/2;

zpos = height/2;

// Print a list of the serial ports, for debugging purposes:

println(Serial.list());

// I know that the first port in the serial list on my mac

// is always my FTDI adaptor, so I open Serial.list()[0].

// On Windows machines, this generally opens COM1.

// Open whatever port is the one you're using.

String portName = Serial.list()[1];

myPort = new Serial(this, portName, 9600);

//lights();

}