simulator now sleeps when no data is recieved

nycresistor · Jan 5, 2014 · 4f55521 · 4f55521
1 parent 6b8d1a1
commit 4f55521
Showing 1 changed file with 50 additions and 36 deletions.
diff --git a/hexasimulator/hexasimulator.pde b/hexasimulator/hexasimulator.pde
@@ -22,42 +22,50 @@ Segment segment2;
 ArrayList<LinkedBlockingQueue> queues;
 ArrayList<Segment> segments;
 
+boolean stopped;
+long lastRecieved;
+long timeout = 5000; // Turn off draw loop when no data recieved
+
 void setup() {
-  
- size((SEGMENT_WIDTH * PIXEL_SPACING) * 3 + SCREEN_SPACING * 6, PIXEL_SPACING * SEGMENT_HEIGHT + (SCREEN_SPACING * 2));
- frameRate(60);
- 
- imageQueue0 = new LinkedBlockingQueue();
- imageQueue1 = new LinkedBlockingQueue();
- imageQueue2 = new LinkedBlockingQueue();
- 
- queues = new ArrayList<LinkedBlockingQueue>();
- queues.add(imageQueue0);
- queues.add(imageQueue1);
- queues.add(imageQueue2);
- 
- segment0 = new Segment(0, new PVector(SCREEN_SPACING, SCREEN_SPACING), imageQueue0);
- segment1 = new Segment(1, new PVector((SCREEN_SPACING * 3) + (SEGMENT_WIDTH * PIXEL_SPACING) * 1, SCREEN_SPACING), imageQueue1);
- segment2 = new Segment(2, new PVector((SCREEN_SPACING * 5) + (SEGMENT_WIDTH * PIXEL_SPACING) * 2, SCREEN_SPACING), imageQueue2);
- 
- segments = new ArrayList<Segment>();
- segments.add(segment0);
- segments.add(segment1);
- segments.add(segment2);
-   
- udp0 = new UDP(this, 9990);
- udp1 = new UDP(this, 9991);
- udp2 = new UDP(this, 9992);
- udp0.listen(true);
- udp1.listen(true);
- udp2.listen(true);
+
+  size((SEGMENT_WIDTH * PIXEL_SPACING) * 3 + SCREEN_SPACING * 6, PIXEL_SPACING * SEGMENT_HEIGHT + (SCREEN_SPACING * 2));
+  frameRate(60);
+
+  imageQueue0 = new LinkedBlockingQueue();
+  imageQueue1 = new LinkedBlockingQueue();
+  imageQueue2 = new LinkedBlockingQueue();
+
+  queues = new ArrayList<LinkedBlockingQueue>();
+  queues.add(imageQueue0);
+  queues.add(imageQueue1);
+  queues.add(imageQueue2);
+
+  segment0 = new Segment(0, new PVector(SCREEN_SPACING, SCREEN_SPACING), imageQueue0);
+  segment1 = new Segment(1, new PVector((SCREEN_SPACING * 3) + (SEGMENT_WIDTH * PIXEL_SPACING) * 1, SCREEN_SPACING), imageQueue1);
+  segment2 = new Segment(2, new PVector((SCREEN_SPACING * 5) + (SEGMENT_WIDTH * PIXEL_SPACING) * 2, SCREEN_SPACING), imageQueue2);
+
+  segments = new ArrayList<Segment>();
+  segments.add(segment0);
+  segments.add(segment1);
+  segments.add(segment2);
+
+  udp0 = new UDP(this, 9990);
+  udp1 = new UDP(this, 9991);
+  udp2 = new UDP(this, 9992);
+  udp0.listen(true);
+  udp1.listen(true);
+  udp2.listen(true);
 }
 
-void receive(byte[] data, String ip, int port) {  
-
-  int num = data[0];
-//  println("Got " + (data.length - 1) + " from unit " + num);
+void receive(byte[] data, String ip, int port) { 
 
+  // Restart draw loop
+  lastRecieved = millis();
+  loop(); 
+
+  int num = data[0];
+  //  println("Got " + (data.length - 1) + " from unit " + num);
+
   if (num > 2 || num < 0) {
     println("Packet header mismatch. Expected 0 or 1 or 2, got " + num);
     return;
@@ -69,7 +77,7 @@ void receive(byte[] data, String ip, int port) {
   }
 
   if (queues.get(num).size() > 0) {
-//    println("Buffer full, dropping frame!");
+    //    println("Buffer full, dropping frame!");
     return;
   }
 
@@ -80,7 +88,6 @@ void receive(byte[] data, String ip, int port) {
   catch( InterruptedException e ) {
     println("Interrupted Exception caught");
   }
-
 }
 
 int convertByte(byte b) {
@@ -89,9 +96,16 @@ int convertByte(byte b) {
 
 void draw() {
   background(0); 
-  
+
   for (Segment segment : segments) {
-     segment.draw(); 
+    segment.draw();
   }
 
+  // Turn off draw loop when no data is being recieved
+  if (millis() - lastRecieved > timeout) {
+    stopped = true;
+    noLoop();
+    println("Paused.");
+  }
 }
+