Marius Petrut / MIDI_5Pin

A simple 5-pin MIDI helper library.

MIDI_5Pin.cpp@0:a6b78fdc6619, 2015-10-22 (annotated)

Committer:
mpetrut
Date:
Thu Oct 22 17:15:51 2015 +0000
Revision:
0:a6b78fdc6619
Initial commit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mpetrut 0:a6b78fdc6619 1 /* Simple mbed 5-pin DIN to USB MIDI Converter library
mpetrut 0:a6b78fdc6619 2 Marius Petrut, 2015
mpetrut 0:a6b78fdc6619 3 */
mpetrut 0:a6b78fdc6619 4
mpetrut 0:a6b78fdc6619 5 #include "MIDI_5Pin.h"
mpetrut 0:a6b78fdc6619 6 #include "mbed.h"
mpetrut 0:a6b78fdc6619 7
mpetrut 0:a6b78fdc6619 8 #define NOTE_ON 144
mpetrut 0:a6b78fdc6619 9 #define CONT_CTRL 176
mpetrut 0:a6b78fdc6619 10
mpetrut 0:a6b78fdc6619 11 MIDI_5Pin::MIDI_5Pin(PinName txPin, PinName rxPin) :
mpetrut 0:a6b78fdc6619 12 _pc(USBTX, USBRX), _uart5pin(txPin, rxPin) {
mpetrut 0:a6b78fdc6619 13 _pc.baud(115200);
mpetrut 0:a6b78fdc6619 14 // 31250 is the official specification
mpetrut 0:a6b78fdc6619 15 _uart5pin.baud(31250);
mpetrut 0:a6b78fdc6619 16 }
mpetrut 0:a6b78fdc6619 17
mpetrut 0:a6b78fdc6619 18 void MIDI_5Pin::write(char command, char param1, char param2) {
mpetrut 0:a6b78fdc6619 19 _uart5pin.putc(command);
mpetrut 0:a6b78fdc6619 20 _uart5pin.putc(param1);
mpetrut 0:a6b78fdc6619 21 _uart5pin.putc(param2);
mpetrut 0:a6b78fdc6619 22 }
mpetrut 0:a6b78fdc6619 23
mpetrut 0:a6b78fdc6619 24 void MIDI_5Pin::noteOn(char note, char velocity) {
mpetrut 0:a6b78fdc6619 25 _uart5pin.putc(NOTE_ON);
mpetrut 0:a6b78fdc6619 26 _uart5pin.putc(note);
mpetrut 0:a6b78fdc6619 27 _uart5pin.putc(velocity);
mpetrut 0:a6b78fdc6619 28 }
mpetrut 0:a6b78fdc6619 29
mpetrut 0:a6b78fdc6619 30 void MIDI_5Pin::noteOff(char note) {
mpetrut 0:a6b78fdc6619 31 _uart5pin.putc(NOTE_ON);
mpetrut 0:a6b78fdc6619 32 _uart5pin.putc(note);
mpetrut 0:a6b78fdc6619 33 _uart5pin.putc(0);
mpetrut 0:a6b78fdc6619 34 }
mpetrut 0:a6b78fdc6619 35
mpetrut 0:a6b78fdc6619 36 void MIDI_5Pin::contCtrl(char ccNumber, char value) {
mpetrut 0:a6b78fdc6619 37 _uart5pin.putc(CONT_CTRL);
mpetrut 0:a6b78fdc6619 38 _uart5pin.putc(ccNumber);
mpetrut 0:a6b78fdc6619 39 _uart5pin.putc(value);
mpetrut 0:a6b78fdc6619 40 }
mpetrut 0:a6b78fdc6619 41
mpetrut 0:a6b78fdc6619 42 void MIDI_5Pin::read() {
mpetrut 0:a6b78fdc6619 43 if (_uart5pin.readable()) {
mpetrut 0:a6b78fdc6619 44 _pc.putc(_uart5pin.getc());
mpetrut 0:a6b78fdc6619 45 }
mpetrut 0:a6b78fdc6619 46 }