adding processing files

sketch_processing_arduino/sketch_processing_arduino.pde

+import processing.serial.*;
+
+Serial doraPort;  // Create object from Serial class
+String val;     // Data received from the serial port
+boolean portFound = false;
+
+void setup(){
+  println("Printing list of available serial ports...");
+  printArray(Serial.list());
+
+  String portName = "/dev/cu.usbserial-FT9P0907";
+  //String portName = "/dev/cu.Bluetooth-Incoming-Port";
+  String[] availPorts = Serial.list();
+  println("Looking for port " + portName + " in the list of available ports...");
+  
+  for(int i = 0; i < availPorts.length; i=i+1){
+    if(availPorts[i].indexOf(portName) >= 0){
+      portFound = true;
+      break;
+    }
+  }
+  
+  if(portFound == true){
+    println("Port found. Connecting...");
+    doraPort = new Serial(this, portName, 9600);
+  }else{
+    println("Port not found. Exiting...");
+    exit();
+  }
+}
+
+void draw() {
+  if ( doraPort.available() > 0) {
+    val = doraPort.readStringUntil('\n');
+    println(val);
+  }
+}

sketch_processing_arduino_2_pde/sketch_processing_arduino_2_pde.pde

+import processing.serial.*;
+
+Serial doraPort;
+
+void setup() 
+{
+  size(200,200);
+  println(Serial.list());
+
+  String portName = Serial.list()[1];
+  println("Port use= "+portName);
+  doraPort = new Serial(this, portName, 9600);
+}
+  void draw() {
+ /* if (mousePressed == true)
+   {                          
+   int val=doraPort.read();         
+   println(val);   
+   } else 
+  {                           
+  doraPort.write('0');         
+  }*/
+    String inBuffer = doraPort.readString();   
+    if (inBuffer != null) {
+      println(inBuffer);
+    }
+}

sketch_processing_arduino_3/sketch_processing_arduino_3.pde

+import processing.serial.*; //import the Serial library
+ 
+ Serial doraPort;  //the Serial port object
+ String val;
+ 
+// since we're doing serial handshaking, 
+// we need to check if we've heard from the microcontroller
+
+boolean firstContact = false;
+
+void setup() {
+  size(200, 200); //make our canvas 200 x 200 pixels big
+  //  initialize your serial port and set the baud rate to 9600
+  doraPort = new Serial(this, Serial.list()[1], 9600);
+  doraPort.bufferUntil('\n'); 
+}
+
+void draw() {
+  //we can leave the draw method empty, 
+  //because all our programming happens in the serialEvent (see below)
+}
+
+void serialEvent( Serial myPort) {
+//put the incoming data into a String - 
+//the '\n' is our end delimiter indicating the end of a complete packet
+val = myPort.readStringUntil('\n');
+//make sure our data isn't empty before continuing
+if (val != null) {
+  //trim whitespace and formatting characters (like carriage return)
+  val = trim(val);
+  println(val);
+
+  //look for our 'A' string to start the handshake
+  //if it's there, clear the buffer, and send a request for data
+  if (firstContact == false) {
+    if (val.equals("A")) {
+      myPort.clear();
+      firstContact = true;
+      myPort.write("A");
+      println("contact");
+    }
+  }
+  else { //if we've already established contact, keep getting and parsing data
+    println(val);
+
+    if (mousePressed == true) 
+    {                           //if we clicked in the window
+      myPort.write('1');        //send a 1
+      println("1");
+    }
+
+    // when you've parsed the data you have, ask for more:
+    myPort.write("A");
+    }
+  }
+}

sketch_processing_arduino_inter/sketch_processing_arduino_inter.pde

+import processing.serial.*; //import the Serial library
+ 
+Serial doraPort;  //the Serial port object
+String val;
+int radius = 25;
+ 
+// since we're doing serial handshaking, 
+// we need to check if we've heard from the microcontroller
+
+boolean firstContact = false;
+
+void setup() {
+  size(200, 200); //make our canvas 200 x 200 pixels big
+  //  initialize your serial port and set the baud rate to 9600
+  doraPort = new Serial(this, Serial.list()[1], 9600);
+  doraPort.bufferUntil('\n'); 
+}
+
+void draw() {
+  clear();
+  // Draw the circle by using our globeal "radius" variable
+  ellipse(width / 2, height / 2, radius, radius);
+}
+
+void serialEvent( Serial myPort ) {
+  //put the incoming data into a String - 
+  //the '\n' is our end delimiter indicating the end of a complete packet
+  val = myPort.readStringUntil('\n');
+  //make sure our data isn't empty before continuing
+  if (val != null) {
+    //trim whitespace and formatting characters (like carriage return)
+    val = trim(val);
+    println(val);
+
+    // Calculate the radius of the circle depending on the value
+    if(val.equals("zero")){
+      radius = 0;
+    }else if(val.equals("low")){
+      radius = 25;
+    }else if(val.equals("medium")){
+      radius = 50;
+    }else if(val.equals("high")){
+      radius = 75;
+    }
+
+    if (mousePressed == true) 
+    {
+      float distFromCenter = dist(mouseX, mouseY, width/2, height/2);
+      //println("click distance from center: " + distFromCenter);
+      if(distFromCenter < radius){
+        //if we clicked in the window
+        myPort.write('1');        //send a 1
+        println("1");  
+      }
+  
+    }
+        
+
+    // when you've parsed the data you have, ask for more:
+    //myPort.write("A");
+  }
+}