latencyTest_GPIO_OSC_sPi

// this tests the latency between a sample playing in sonic pi, and a GPIO pin on the pi turned on at the same time
// sPi puts out OSC which processing catches, and turns on a GPIO pin. 
// I'm getting 704ms, which is useless for triggering sounds, anyway. 

import processing.io.*;
import oscP5.*;
import netP5.*;

int outPin = 26;
int pinHighTime = 50;
long startPinHigh;

OscP5 oscP5;
// NetAddress myBroadcastLocation; // if you want to send to pi also

void setup() {
  background(0);
  frameRate(100);
  GPIO.pinMode(outPin, GPIO.OUTPUT);
  GPIO.digitalWrite(outPin, GPIO.LOW);
  size (1, 1); // We don’t need to see anything.
  oscP5 = new OscP5(this, 8000); // The port to the source Sonic which the source processing app sends
  //  myBroadcastLocation = new NetAddress("127.0.0.1",4559); // The port on which Sonic Pi listens to incoming messages.
}

void draw() {

  if (millis() > startPinHigh + pinHighTime) {
    GPIO.digitalWrite(outPin, GPIO.LOW);  
  }
}

void oscEvent(OscMessage theOscMessage) { // When you receive a message…
  println(theOscMessage);
  GPIO.digitalWrite(outPin, GPIO.HIGH);
  println("on");
  startPinHigh = millis();
  println(startPinHigh);

  // println(theOscMessage.arguments());
  // oscP5.send(theOscMessage, myBroadcastLocation); //send it to Sonic Pi on this machine.
}

/*
// in sonicPi, use this to send OSC
live_loop :foo do
  # play 60
  sample :perc_snap
  d = rrand(50,90)
  s = d.to_s
  puts s
  use_osc "192.168.1.159", 8000 # change to your ip address (ifconfig will tell you)
  osc "/hello/world "+s
  sleep 1
end
*/