GCode_Host

import processing.serial.*;


// The serial port
Serial myPort;
String serialLine = "";
String c = "";
boolean started = false;
boolean finished = false;
boolean commandComplete = true;
int commandCount = 0;
int ypos = 20;


String temperature = "?";

String gcode[] = {
};
int gcodeIndex = 0;

void setup()
{
  //init stuff
  size(500, 600);
  //smooth();

  // List all the available serial ports
  println(Serial.list());
  //open the first port...
  myPort = new Serial(this, Serial.list()[1], 38400);

  //load our gcode lines
  gcode = loadStrings("test.gcode");
 // println(gcode);
 background(20, 20, 20);
}

void draw()
{

  PFont font;
  font = loadFont("ArialMT-48.vlw");
  textFont(font, 16);
  ypos =20 + gcodeIndex*20;
  if(ypos>500)
  {
     background(20, 20, 20);
     ypos = 20;
  }

  fill(250, 250, 250);
  String code = "[" +gcodeIndex +"] : "+ c;
  text(code,10,ypos);
  while (myPort.available() > 0)
  {
    int inByte = myPort.read();

    if (inByte == '\n')
    {
      println("Got: " + serialLine);

      if (match(serialLine, "^start") != null)
        started = true;

      if (match(serialLine, "^ok") != null)
      {
        commandComplete = true;
        fill(0, 240, 10);
        text("ok",400,ypos);

        if (gcodeIndex == gcode.length)
          println("Job's done!");

      }

      serialLine = "";
    }
    else if (inByte > 0)
    {
      serialLine += (char)inByte;
    }
  }

  if (started)
  {
    if (commandComplete)
    {
      String cmd = getNextCommand();
      commandComplete = false;

      if (gcodeIndex == gcode.length)
      {
        finished = true;
       fill(0, 240, 10);
       ypos+=50;
       text("DONE",10,ypos);
      }

      if (cmd != null)
      {
        println("Sent: " +cmd);
        myPort.write(cmd);
      }
    }
  }

  if (started && finished)
  {
    println("Job's done!");
    started = false;
    finished = false;

  }
}

String getNextCommand()
{
  if (gcodeIndex < gcode.length)
  {

    c = gcode[gcodeIndex];
    gcodeIndex++;

    if (match(c, "^[A-Z]{1}") == null)
      c = getNextCommand();

    return c;
  }
  else
    return null;
}