Simon Ford / Mbed 2 deprecated USBMIDI_DrumExample

Simple example for triggering actuators based on midi signals

Dependencies:   USBMIDI mbed

Diff: main.cpp

Revision:
0:040c2c8ca5eb
diff -r 000000000000 -r 040c2c8ca5eb main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Feb 20 16:48:11 2011 +0000
@@ -0,0 +1,29 @@
+// Drums via MIDI!
+#include "mbed.h"
+#include "USBMIDI.h"
+
+DigitalOut drum[] = {p5, p6, p7, p8}; // the four outputs
+
+void drums(int id, bool on) {
+    if(id >= 0 && id <= 3) {
+        drum[id] = on;
+    }
+}
+
+void do_message(MIDIMessage msg) {
+    switch (msg.type()) {
+        case MIDIMessage::NoteOnType:
+            drums(msg.key() - 64, msg.velocity() != 0);
+            break;
+        case MIDIMessage::NoteOffType:
+            drums(msg.key() - 64, 0);
+            break;
+    }    
+}
+
+USBMIDI midi;
+
+int main() {          
+    midi.attach(do_message);         // call back for messages received    
+    while (1);
+}