Simon Ford / Mbed 2 deprecated USBMIDI_HelloWorld

Simple example to demonstrate the USB MIDI library

Dependencies:   USBMIDI mbed

main.cpp@0:4b55d56b6b61, 2011-02-20 (annotated)

Committer:
simon
Date:
Sun Feb 20 13:15:46 2011 +0000
Revision:
0:4b55d56b6b61

        

        
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simon

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// Hello World example for the USBMIDI library





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#include "mbed.h"





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#include "USBMIDI.h"





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void show_message(MIDIMessage msg) {





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    switch (msg.type()) {





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        case MIDIMessage::NoteOnType:





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            printf("NoteOn key:%d, velocity: %d, channel: %d\n", msg.key(), msg.velocity(), msg.channel());





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            break;





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        case MIDIMessage::NoteOffType:





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            printf("NoteOff key:%d, velocity: %d, channel: %d\n", msg.key(), msg.velocity(), msg.channel());





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            break;





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        case MIDIMessage::ControlChangeType:    





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            printf("ControlChange controller: %d, data: %d\n", msg.controller(), msg.value());





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            break;





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        case MIDIMessage::PitchWheelType:





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            printf("PitchWheel channel: %d, pitch: %d\n", msg.channel(), msg.pitch());





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            break;





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        default:





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            printf("Another message\n");





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    }    





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}





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USBMIDI midi;





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int main() {          





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    midi.attach(show_message);         // call back for messages received    





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    while (1) {    





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        for(int i=48; i<83; i++) {     // send some messages!





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            midi.write(MIDIMessage::NoteOn(i));





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            wait(0.25);





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            midi.write(MIDIMessage::NoteOff(i));





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            wait(0.5);





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        }





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    }





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}