see http://mbed.org/users/okini3939/notebook/midi/
Dependencies: MIDI USBDevice mbed
Fork of MIDI_sample by
main.cpp@1:ecf5c3927710, 2013-02-05 (annotated)
- Committer:
- okini3939
- Date:
- Tue Feb 05 00:12:25 2013 +0000
- Revision:
- 1:ecf5c3927710
- Parent:
- 0:1a4d28e63bef
usb bridge
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okini3939 | 1:ecf5c3927710 | 1 | #include "mbed.h" |
okini3939 | 1:ecf5c3927710 | 2 | #include "USBMIDI.h" |
okini3939 | 1:ecf5c3927710 | 3 | #include "MIDI.h" |
okini3939 | 1:ecf5c3927710 | 4 | |
okini3939 | 1:ecf5c3927710 | 5 | DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4); |
okini3939 | 1:ecf5c3927710 | 6 | Serial pc(USBTX, USBRX); |
okini3939 | 1:ecf5c3927710 | 7 | |
okini3939 | 1:ecf5c3927710 | 8 | USBMIDI usbmidi; |
okini3939 | 1:ecf5c3927710 | 9 | MIDI midi(p9, p10); |
okini3939 | 1:ecf5c3927710 | 10 | |
okini3939 | 1:ecf5c3927710 | 11 | void show_message(MIDIMessage msg) { |
okini3939 | 1:ecf5c3927710 | 12 | switch (msg.type()) { |
okini3939 | 1:ecf5c3927710 | 13 | case MIDIMessage::NoteOffType: |
okini3939 | 1:ecf5c3927710 | 14 | midi.sendNoteOff(msg.key(), msg.pitch(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 15 | break; |
okini3939 | 1:ecf5c3927710 | 16 | case MIDIMessage::NoteOnType: |
okini3939 | 1:ecf5c3927710 | 17 | midi.sendNoteOn(msg.key(), msg.pitch(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 18 | break; |
okini3939 | 1:ecf5c3927710 | 19 | case MIDIMessage::PolyphonicAftertouchType: |
okini3939 | 1:ecf5c3927710 | 20 | midi.sendPolyPressure(msg.key(), msg.pressure(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 21 | break; |
okini3939 | 1:ecf5c3927710 | 22 | case MIDIMessage::ControlChangeType: |
okini3939 | 1:ecf5c3927710 | 23 | midi.sendControlChange(msg.controller(), msg.value(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 24 | break; |
okini3939 | 1:ecf5c3927710 | 25 | case MIDIMessage::ProgramChangeType: |
okini3939 | 1:ecf5c3927710 | 26 | midi.sendProgramChange(msg.program(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 27 | break; |
okini3939 | 1:ecf5c3927710 | 28 | case MIDIMessage::ChannelAftertouchType: |
okini3939 | 1:ecf5c3927710 | 29 | midi.sendAfterTouch(msg.pressure(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 30 | break; |
okini3939 | 1:ecf5c3927710 | 31 | case MIDIMessage::PitchWheelType: |
okini3939 | 1:ecf5c3927710 | 32 | midi.sendPitchBend(msg.pitch(), msg.channel()); |
okini3939 | 1:ecf5c3927710 | 33 | break; |
okini3939 | 1:ecf5c3927710 | 34 | case MIDIMessage::AllNotesOffType: |
okini3939 | 1:ecf5c3927710 | 35 | midi.sendControlChange(123, 0, msg.channel()); |
okini3939 | 1:ecf5c3927710 | 36 | break; |
okini3939 | 1:ecf5c3927710 | 37 | case MIDIMessage::ErrorType: |
okini3939 | 1:ecf5c3927710 | 38 | default: |
okini3939 | 1:ecf5c3927710 | 39 | led4 = 1; |
okini3939 | 1:ecf5c3927710 | 40 | break; |
okini3939 | 1:ecf5c3927710 | 41 | } |
okini3939 | 1:ecf5c3927710 | 42 | led3 = 1; |
okini3939 | 1:ecf5c3927710 | 43 | } |
okini3939 | 1:ecf5c3927710 | 44 | |
okini3939 | 1:ecf5c3927710 | 45 | void isr_t () { |
okini3939 | 1:ecf5c3927710 | 46 | led2 = 0; |
okini3939 | 1:ecf5c3927710 | 47 | led3 = 0; |
okini3939 | 1:ecf5c3927710 | 48 | led4 = 0; |
okini3939 | 1:ecf5c3927710 | 49 | } |
okini3939 | 1:ecf5c3927710 | 50 | |
okini3939 | 1:ecf5c3927710 | 51 | int main() { |
okini3939 | 1:ecf5c3927710 | 52 | Ticker t; |
okini3939 | 1:ecf5c3927710 | 53 | |
okini3939 | 1:ecf5c3927710 | 54 | led1 = 1; |
okini3939 | 1:ecf5c3927710 | 55 | usbmidi.attach(show_message); |
okini3939 | 1:ecf5c3927710 | 56 | midi.begin(); |
okini3939 | 1:ecf5c3927710 | 57 | t.attach(isr_t, 0.1); |
okini3939 | 1:ecf5c3927710 | 58 | |
okini3939 | 1:ecf5c3927710 | 59 | for (;;) { |
okini3939 | 1:ecf5c3927710 | 60 | if (midi.read()) { |
okini3939 | 1:ecf5c3927710 | 61 | MIDIMessage msg; |
okini3939 | 1:ecf5c3927710 | 62 | msg.data[0] = CABLE_NUM | (midi.getType() >> 4); |
okini3939 | 1:ecf5c3927710 | 63 | msg.data[1] = midi.getType() | midi.getChannel(); |
okini3939 | 1:ecf5c3927710 | 64 | msg.data[2] = midi.getData1(); |
okini3939 | 1:ecf5c3927710 | 65 | msg.data[3] = midi.getData2(); |
okini3939 | 1:ecf5c3927710 | 66 | usbmidi.write(msg); |
okini3939 | 1:ecf5c3927710 | 67 | led2 = 1; |
okini3939 | 1:ecf5c3927710 | 68 | } |
okini3939 | 1:ecf5c3927710 | 69 | } |
okini3939 | 1:ecf5c3927710 | 70 | } |