LightStone to Processing

LightStoneToProcessing.pde

/**
 * LightStone to Processing
 * 
 * This sketch reads and graphs heart rate variability and
 * skin conductance level data from the LightStone device
 * via OSC messages from GlovePIE.
 */

import oscP5.*;
import netP5.*;

OscP5 oscP5;

float hrv = 0.0; // heart rate variability
float scl = 0.0; // skin conductance level

void setup() {
  size(200, 200);
  frameRate(30);
  noStroke();
  
  // create OSC listener
  oscP5 = new OscP5(this, 7400);
  // plug the input values to functions defined at end of sketch
  oscP5.plug(this, "updateHrv", "/ls_hrv");
  oscP5.plug(this, "updateScl", "/ls_scl");
}

void draw() {
  background(#012232); // fill background with dark blue
  
  // draw bar graph for HRV
  fill(#ff0000); // set fill color to red
  float mHrv = map(hrv, 0.0, 0.4, 0, 100); // map hrv to bar height
  rect(50, 150, 25, -mHrv); // draw bar
  
  // draw bar graph for SCL
  fill(#00f149); // set fill color to green
  float mScl = map(scl, 0.0, 20.0, 0, 100); // map scl to bar height
  rect(125, 150, 25, -mScl); // draw bar
}

// update hrv value
void updateHrv(float val) {
  hrv = val;
  println("hrv: " + hrv);
}

// update scl value
void updateScl(float val) {
  scl = val;
  println("scl: " + scl);
}