import processing.serial.*;
import g4p_controls.*;

Serial myPort;           // the serial port you're using
String portnum;          // name of the serial port
String outString = "";   // the string being sent out the serial port
String inString = "";    // the string coming in from the serial port
int receivedLines = 0;   // how many lines have been received in the serial port
int bufferedLines = 10;  // number of incoming lines to keep

GCustomSlider sdr1, sdr2, sdr3, sdr4;

void setup() {
  size(600, 280);  

  //=============================================================
  // Slider with a custom skin, check the data folder to find 
  // the `blue18px' folder which stores the used image files.
  sdr1 = new GCustomSlider(this, 20, 20, 260, 50, "red18px");
  // show          opaque  ticks value limits
  sdr1.setShowDecor(false, false, false, true);
  sdr1.setNumberFormat(G4P.INTEGER, 1);
  sdr1.setLimits(150, 20, 2000);
  sdr1.setShowValue(true); 
  //=============================================================
  sdr2 = new GCustomSlider(this, 20, 80, 260, 50, "green18px");
  sdr2.setShowDecor(false, false, false, true);
  sdr2.setNumberFormat(G4P.INTEGER, 1);
  sdr2.setLimits(500, 0, 4095);
  sdr2.setShowValue(true); 
  //=============================================================
  sdr3 = new GCustomSlider(this, 20, 140, 260, 50, "blue18px");
  sdr3.setShowDecor(false, false, false, true);
  sdr3.setNumberFormat(G4P.INTEGER, 1);
  sdr3.setLimits(200, 0, 2000);
  sdr3.setShowValue(true); 
  //=============================================================
  println(Serial.list());

  portnum = Serial.list()[0];
  myPort = new Serial(this, portnum, 115200);
}

void draw() {
  background(200, 200, 255);
}

public void handleSliderEvents(GValueControl slider, GEvent event) {
  if (slider == sdr1) {
    myPort.write("F" + slider.getValueI() + "t\r");
  }
  if (slider == sdr2) {
    myPort.write("D" + slider.getValueI() + "t\r");
  }
  if (slider == sdr3) {
    myPort.write("P" + slider.getValueI() + "t\r");
  }
}