This is my Processing code:
import oscP5.; // Load OSC P5 library
import netP5.; // Load net P5 library
import processing.serial.*; // Load serial library
Serial arduinoPort; // Set arduinoPort as serial connection
OscP5 oscP5; // Set oscP5 as OSC connection
int redLED = 0; // redLED lets us know if the LED is on or off
int [] led = new int [2]; // Array allows us to add more toggle buttons in TouchOSC
int blueLED = 0;
void setup() {
size(100,100); // Processing screen size
noStroke(); // We don’t want an outline or Stroke on our graphics
oscP5 = new OscP5(this,8000); // Start oscP5, listening for incoming messages at port 8000
arduinoPort = new Serial(this, Serial.list()[0], 9600); // Set arduino to 9600 baud
}
void oscEvent(OscMessage theOscMessage) { // This runs whenever there is a new OSC message
String addr = theOscMessage.addrPattern(); // Creates a string out of the OSC message
if(addr.indexOf("/1/toggle") !=-1){ // Filters out any toggle buttons
int i = int((addr.charAt(9) )) - 0x30; // returns the ASCII number so convert into a real number by subtracting 0x30
led[i] = int(theOscMessage.get(0).floatValue()); // Puts button value into led[i]
// Button values can be read by using led[0], led[1], led[2], etc.
}
if(addr.indexOf("/2/toggle") !=-1){ // Filters out any toggle buttons
int o = int((addr.charAt(9) )) - 0x30; // returns the ASCII number so convert into a real number by subtracting 0x30
led[o] = int(theOscMessage.get(0).floatValue()); // Puts button value into led[o]
// Button values can be read by using led[0], led[1], led[2], etc.
}
}
void draw1() {
background(50); // Sets the background to a dark grey, can be 0-255
if(led[1] == 0){ // If led button 1 if off do…
arduinoPort.write(“r”); // Sends the character “r” to Arduino
redLED = 0; // Sets redLED color to 0, can be 0-255
}
if(led[1] == 1){ // If led button 1 is ON do…
arduinoPort.write(“R”); // Send the character “R” to Arduino
redLED = 255; // Sets redLED color to 255, can be 0-255
}
fill(redLED,0,0); // Fill rectangle with redLED amount
ellipse(50, 50, 50, 50); // Created an ellipse at 50 pixels from the left…
// 50 pixels from the top and a width of 50 and height of 50 pixels
}
void draw2(){
background(50);
if(led[2] == 0){ // If led button 1 if off do…
arduinoPort.write(“b”); // Sends the character “b” to Arduino
blueLED = 0; // Sets redLED color to 0, can be 0-255
}
if(led[2] == 1){ // If led button 1 is ON do…
arduinoPort.write(“B”); // Send the character “B” to Arduino
blueLED = 255; // Sets redLED color to 255, can be 0-255
}
fill(blueLED,0,0); // Fill rectangle with redLED amount
ellipse(50, 50, 50, 50); // Created an ellipse at 50 pixels from the left…
// 50 pixels from the top and a width of 50 and height of 50 pixels
}
and this is my Arduino code:
int message = 0; // This will hold one byte of the serial message
int redLEDPin = 11; // What pin is the red LED connected to?
int redLED = 0;// The value/brightness of the LED, can be 0-255
int blueLEDPin = 7;
int blueLED = 0;
void setup() {
Serial.begin(9600); //set serial to 9600 baud rate
}
void loop(){
if (Serial.available() > 0) { // Check if there is a new message
message = Serial.read(); // Put the serial input into the message
if (message == ‘R’){ // If a capitol R is received…
redLED = 255; // Set redLED to 255 (on)
}
if (message == ‘r’){ // If a lowercase r is received…
redLED = 0; // Set redLED to 0 (off)
}
}
if (Serial.available() > 0) { // Check if there is a new message
message = Serial.read(); // Put the serial input into the message
if (message == ‘B’){ // If a capitol R is received…
blueLED = 255; // Set redLED to 255 (on)
}
if (message == ‘b’){ // If a lowercase r is received…
blueLED = 0; // Set redLED to 0 (off)
}
}
analogWrite(redLEDPin, redLED); // Write an analog value between 0-255
analogWrite(blueLEDPin, blueLED); // Write an analog value between 0-255
}