A simple 5-pin MIDI helper library.
Diff: MIDI_5Pin.cpp
- Revision:
- 0:a6b78fdc6619
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MIDI_5Pin.cpp Thu Oct 22 17:15:51 2015 +0000
@@ -0,0 +1,46 @@
+/* Simple mbed 5-pin DIN to USB MIDI Converter library
+Marius Petrut, 2015
+*/
+
+#include "MIDI_5Pin.h"
+#include "mbed.h"
+
+#define NOTE_ON 144
+#define CONT_CTRL 176
+
+MIDI_5Pin::MIDI_5Pin(PinName txPin, PinName rxPin) :
+ _pc(USBTX, USBRX), _uart5pin(txPin, rxPin) {
+ _pc.baud(115200);
+ // 31250 is the official specification
+ _uart5pin.baud(31250);
+ }
+
+void MIDI_5Pin::write(char command, char param1, char param2) {
+ _uart5pin.putc(command);
+ _uart5pin.putc(param1);
+ _uart5pin.putc(param2);
+}
+
+void MIDI_5Pin::noteOn(char note, char velocity) {
+ _uart5pin.putc(NOTE_ON);
+ _uart5pin.putc(note);
+ _uart5pin.putc(velocity);
+}
+
+void MIDI_5Pin::noteOff(char note) {
+ _uart5pin.putc(NOTE_ON);
+ _uart5pin.putc(note);
+ _uart5pin.putc(0);
+}
+
+void MIDI_5Pin::contCtrl(char ccNumber, char value) {
+ _uart5pin.putc(CONT_CTRL);
+ _uart5pin.putc(ccNumber);
+ _uart5pin.putc(value);
+}
+
+void MIDI_5Pin::read() {
+ if (_uart5pin.readable()) {
+ _pc.putc(_uart5pin.getc());
+ }
+}
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