Handle received messages from arduino serial port

magic_veneer_processing/magic_veneer_processing.pde

@@ -1,3 +1,24 @@
-void setup() {}
+import processing.serial.*;
 
-void draw() {}
+Serial arduinoPort;
+String receivedMessage;
+boolean cameIntoThreshhold = false;
+
+void setup() {
+  String portName = Serial.list()[Serial.list().length - 1]; //change the 0 to a 1 or 2 etc. to match your port
+  arduinoPort = new Serial(this, portName, 9600);
+}
+
+void draw() {
+  if ( arduinoPort.available() > 0)  {
+    String rec = arduinoPort.readStringUntil('\n');
+    if (rec != null) {
+      receivedMessage = rec;
+    }
+    
+    // Check for specific events and act upon them
+    if (receivedMessage != null && receivedMessage.contains("isWithinThreshhold")) {
+      cameIntoThreshhold = true;
+    }
+  }
+}