Jose Rios
/
Nucleo_Midi
Basic example for send MIDI messages
midii.cpp@0:2f27565123e1, 2014-09-29 (annotated)
- Committer:
- jose_23991
- Date:
- Mon Sep 29 15:45:18 2014 +0000
- Revision:
- 0:2f27565123e1
Version 1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jose_23991 | 0:2f27565123e1 | 1 | #include "midii.h" |
jose_23991 | 0:2f27565123e1 | 2 | #include "mbed.h" |
jose_23991 | 0:2f27565123e1 | 3 | |
jose_23991 | 0:2f27565123e1 | 4 | MIDII::MIDII(PinName p_tx, PinName p_rx) : serial(p_tx, p_rx) |
jose_23991 | 0:2f27565123e1 | 5 | { |
jose_23991 | 0:2f27565123e1 | 6 | serial.baud(MIDI_VELOCITY); |
jose_23991 | 0:2f27565123e1 | 7 | notes_init(); |
jose_23991 | 0:2f27565123e1 | 8 | } |
jose_23991 | 0:2f27565123e1 | 9 | |
jose_23991 | 0:2f27565123e1 | 10 | MIDII::~MIDII() |
jose_23991 | 0:2f27565123e1 | 11 | {} |
jose_23991 | 0:2f27565123e1 | 12 | |
jose_23991 | 0:2f27565123e1 | 13 | void MIDII::noteOn(unsigned int channel, unsigned int key, unsigned int octave, unsigned int velocity) |
jose_23991 | 0:2f27565123e1 | 14 | { |
jose_23991 | 0:2f27565123e1 | 15 | if(channel > CH_16) |
jose_23991 | 0:2f27565123e1 | 16 | channel = CH_16; |
jose_23991 | 0:2f27565123e1 | 17 | if(velocity > 127) |
jose_23991 | 0:2f27565123e1 | 18 | velocity = 127; |
jose_23991 | 0:2f27565123e1 | 19 | if(octave > 10) |
jose_23991 | 0:2f27565123e1 | 20 | octave = 10; |
jose_23991 | 0:2f27565123e1 | 21 | |
jose_23991 | 0:2f27565123e1 | 22 | serial.putc(NOTE_ON & channel); |
jose_23991 | 0:2f27565123e1 | 23 | serial.putc(note[octave][key]); |
jose_23991 | 0:2f27565123e1 | 24 | serial.putc(velocity); |
jose_23991 | 0:2f27565123e1 | 25 | } |
jose_23991 | 0:2f27565123e1 | 26 | |
jose_23991 | 0:2f27565123e1 | 27 | void MIDII::noteOff(unsigned int channel, unsigned int key, unsigned int octave, unsigned int velocity) |
jose_23991 | 0:2f27565123e1 | 28 | { |
jose_23991 | 0:2f27565123e1 | 29 | if(channel > CH_16) |
jose_23991 | 0:2f27565123e1 | 30 | channel = CH_16; |
jose_23991 | 0:2f27565123e1 | 31 | if(velocity > 127) |
jose_23991 | 0:2f27565123e1 | 32 | velocity = 127; |
jose_23991 | 0:2f27565123e1 | 33 | |
jose_23991 | 0:2f27565123e1 | 34 | serial.putc(NOTE_OFF & channel); |
jose_23991 | 0:2f27565123e1 | 35 | serial.putc(key); |
jose_23991 | 0:2f27565123e1 | 36 | serial.putc(velocity); |
jose_23991 | 0:2f27565123e1 | 37 | } |
jose_23991 | 0:2f27565123e1 | 38 | |
jose_23991 | 0:2f27565123e1 | 39 | void MIDII::programChange(unsigned int channel, unsigned int program) |
jose_23991 | 0:2f27565123e1 | 40 | { |
jose_23991 | 0:2f27565123e1 | 41 | if(channel > CH_16) |
jose_23991 | 0:2f27565123e1 | 42 | channel = CH_16; |
jose_23991 | 0:2f27565123e1 | 43 | |
jose_23991 | 0:2f27565123e1 | 44 | serial.putc(NOTE_PROGRAM_CHANGE & channel); |
jose_23991 | 0:2f27565123e1 | 45 | serial.putc(program); |
jose_23991 | 0:2f27565123e1 | 46 | } |
jose_23991 | 0:2f27565123e1 | 47 | |
jose_23991 | 0:2f27565123e1 | 48 | //send MIDI message |
jose_23991 | 0:2f27565123e1 | 49 | void MIDII::MIDImessage(unsigned int command, unsigned int channel, unsigned int note, unsigned int octave, unsigned int velocity) |
jose_23991 | 0:2f27565123e1 | 50 | { |
jose_23991 | 0:2f27565123e1 | 51 | serial.putc(command & channel);//send note on or note off command |
jose_23991 | 0:2f27565123e1 | 52 | serial.putc(note);//send pitch data |
jose_23991 | 0:2f27565123e1 | 53 | serial.putc(velocity);//send velocity data |
jose_23991 | 0:2f27565123e1 | 54 | } |
jose_23991 | 0:2f27565123e1 | 55 | |
jose_23991 | 0:2f27565123e1 | 56 | void MIDII::notes_init() |
jose_23991 | 0:2f27565123e1 | 57 | { |
jose_23991 | 0:2f27565123e1 | 58 | int a, b, c; |
jose_23991 | 0:2f27565123e1 | 59 | |
jose_23991 | 0:2f27565123e1 | 60 | c = 0; |
jose_23991 | 0:2f27565123e1 | 61 | for(a = 0; a < OCTAVE; a++) |
jose_23991 | 0:2f27565123e1 | 62 | { |
jose_23991 | 0:2f27565123e1 | 63 | for(b = 0; b < NUMBER; b++) |
jose_23991 | 0:2f27565123e1 | 64 | { |
jose_23991 | 0:2f27565123e1 | 65 | note[a][b] = c; |
jose_23991 | 0:2f27565123e1 | 66 | c++; |
jose_23991 | 0:2f27565123e1 | 67 | } |
jose_23991 | 0:2f27565123e1 | 68 | } |
jose_23991 | 0:2f27565123e1 | 69 | } |