Diff: main.cpp

Revision:

2:e21bd39bdf46

Parent:

0:cad8dafb22be

Child:

6:688698f814c0

--- a/main.cpp	Wed Apr 06 18:54:51 2016 +0000
+++ b/main.cpp	Sun Apr 10 22:06:25 2016 +0000
@@ -1,36 +1,48 @@
-// Hello World example for the USBMIDI library
+/* Karplus Strong MIDI synthesizer.
+ *
+ * @author Austin Suszek
+ * @author Nick Delfino
+ */
 
+#include "Constants.h"
 #include "mbed.h"
 #include "USBMIDI.h"
 
 Serial pc(USBTX, USBRX);
-DigitalOut led(LED1);
-
 USBMIDI midi;
 
+void midiMessageReceived(MIDIMessage message);
+
+int main() { 
+    // Attach the function to handle all incoming MIDI events.
+    midi.attach(midiMessageReceived); 
+        
+    while (1) {}
+}
+
+/*
+ * The handler for all incoming MIDI messages.
+ */
 void midiMessageReceived(MIDIMessage message) {
-    pc.printf("Message Received\r\n");
-    led = !led;
+    #ifdef DEBUG
+    printf("Message Received\r\n");
+    #endif
     
     switch (message.type()) {
         case MIDIMessage::NoteOnType:
-            pc.printf("\tType: Note On\r\n");
-            pc.printf("\tNote: %d\r\n", message.key());
+            #ifdef DEBUG
+            printf("\tType: Note On\r\n");
+            printf("\tNote: %d\r\n", message.key());
+            #endif
             break;
         case MIDIMessage::NoteOffType:
-            pc.printf("\tType: Note Off\r\n");
+            #ifdef DEBUG
+            printf("\tType: Note Off\r\n");
+            #endif
             break;
         default:
-            pc.printf("\tType: Other\r\n");
+            // no-op
+            break;
     }
 }
 
-int main() { 
-    pc.printf("In Main\r\n"); 
-    midi.attach(midiMessageReceived); 
-    led = 1; 
-        
-    while (1) {    
-    }
-}
-