Diff: midii.cpp

Revision:

0:2f27565123e1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/midii.cpp	Mon Sep 29 15:45:18 2014 +0000
@@ -0,0 +1,69 @@
+#include "midii.h"
+#include "mbed.h"
+
+MIDII::MIDII(PinName p_tx, PinName p_rx) : serial(p_tx, p_rx)
+{
+    serial.baud(MIDI_VELOCITY);
+    notes_init();
+}
+
+MIDII::~MIDII()
+{}
+    
+void MIDII::noteOn(unsigned int channel, unsigned int key, unsigned int octave, unsigned int velocity)
+{
+    if(channel > CH_16)
+        channel = CH_16;
+    if(velocity > 127)
+        velocity = 127;
+    if(octave > 10)
+        octave = 10;
+        
+    serial.putc(NOTE_ON & channel);
+    serial.putc(note[octave][key]);
+    serial.putc(velocity);
+}
+
+void MIDII::noteOff(unsigned int channel, unsigned int key, unsigned int octave, unsigned int velocity)
+{
+    if(channel > CH_16)
+        channel = CH_16;
+    if(velocity > 127)
+        velocity = 127;
+        
+    serial.putc(NOTE_OFF & channel);
+    serial.putc(key);
+    serial.putc(velocity);
+}
+
+void MIDII::programChange(unsigned int channel, unsigned int program)
+{
+    if(channel > CH_16)
+        channel = CH_16;
+        
+    serial.putc(NOTE_PROGRAM_CHANGE & channel);
+    serial.putc(program);
+}
+
+//send MIDI message
+void MIDII::MIDImessage(unsigned int command, unsigned int channel, unsigned int note, unsigned int octave, unsigned int velocity)
+{        
+    serial.putc(command & channel);//send note on or note off command 
+    serial.putc(note);//send pitch data
+    serial.putc(velocity);//send velocity data
+}
+
+void MIDII::notes_init()
+{
+    int a, b, c;
+    
+    c = 0;
+    for(a = 0; a < OCTAVE; a++)
+    {
+        for(b = 0; b < NUMBER; b++)
+        {
+            note[a][b] = c;
+            c++;
+        }
+    }
+}