main.cpp

00001 // Hello World example for the USBMIDI library
00002 
00003 #include "mbed.h"
00004 #include "USBMIDI.h"
00005 
00006 void show_message(MIDIMessage msg) {
00007     switch (msg.type()) {
00008         case MIDIMessage::NoteOnType:
00009             printf("NoteOn key:%d, velocity: %d, channel: %d\n", msg.key(), msg.velocity(), msg.channel());
00010             break;
00011         case MIDIMessage::NoteOffType:
00012             printf("NoteOff key:%d, velocity: %d, channel: %d\n", msg.key(), msg.velocity(), msg.channel());
00013             break;
00014         case MIDIMessage::ControlChangeType:    
00015             printf("ControlChange controller: %d, data: %d\n", msg.controller(), msg.value());
00016             break;
00017         case MIDIMessage::PitchWheelType:
00018             printf("PitchWheel channel: %d, pitch: %d\n", msg.channel(), msg.pitch());
00019             break;
00020         default:
00021             printf("Another message\n");
00022     }    
00023 }
00024 
00025 USBMIDI midi;
00026 
00027 int main() {          
00028     midi.attach(show_message);         // call back for messages received    
00029     while (1) {    
00030         for(int i=48; i<83; i++) {     // send some messages!
00031             midi.write(MIDIMessage::NoteOn(i));
00032             wait(0.25);
00033             midi.write(MIDIMessage::NoteOff(i));
00034             wait(0.5);
00035         }
00036     }
00037 }