Revision 0:a6b78fdc6619, committed 2015-10-22

Comitter:

mpetrut

Date:

Thu Oct 22 17:15:51 2015 +0000

Commit message:

Initial commit;

Changed in this revision

--- /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());
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MIDI_5Pin.h	Thu Oct 22 17:15:51 2015 +0000
@@ -0,0 +1,62 @@
+/** Simple mbed 5-pin DIN to USB MIDI Converter library
+ *  Marius Petrut, 2015
+ */
+
+#ifndef MBED_MIDI_5PIN_H
+#define MBED_MIDI_5PIN_H
+ 
+#include "mbed.h"
+
+/** The 5-pin MIDI helper class
+ */ 
+class MIDI_5Pin {
+public:
+    /** Create a Midi5Pin object with the specified
+     * transmit and receive pins
+     *
+     * @param txPin Transmit pin
+     * @param rxPin Receive pin
+     */
+    MIDI_5Pin(PinName txPin, PinName rxPin);
+    
+    /** Send a command to the 5-pin output port
+     *
+     * @param command The MIDI command byte
+     * @param param1 First parameter (depends on command)
+     * @param param2 Second parameter (depends on command)
+     */
+    void write(char command, char param1, char param2);
+    
+    /** Send a noteOn MIDI message to the 5-pin output
+     *
+     * @param note MIDI note number
+     * @param velocity MIDI note velocity (loudness)
+     */
+    void noteOn(char note, char velocity);
+    
+    /** Send a noteOff MIDI message to the 5-pin output
+     *
+     * @param note MIDI note number
+     */
+    void noteOff(char note);
+    
+    /** Send a continuous control message to the 5-pin output
+     *
+     * @param ccNumber The continuous control message number
+     * @param value Value of the continuous control message
+     */
+    void contCtrl(char ccNumber, char value);
+    
+    /** Read from the 5-pin input connection and send
+     * it to the PC through the USB virtual com port
+     *
+     */
+    void read();
+  
+private:  
+    Serial _pc;
+    Serial _uart5pin;
+};
+ 
+#endif
+ 
\ No newline at end of file