test/midi.h

   1 #ifndef MIDI_H
   2 #define MIDI_H
   3
   4 #include <stdint.h>
   5
   6 // midi channel messages
   7 #define MIDI_IGNORE 0x0  // ignore running status
   8 #define MIDI_NOTE_ON 0x9
   9 #define MIDI_NOTE_OFF 0x8
  10 #define MIDI_PITCHBEND 0xE
  11 #define MIDI_AFTERTOUCH 0xA
  12 #define MIDI_CHANPRESSURE 0xD
  13 #define MIDI_CONTROLLER 0xB
  14 #define MIDI_PROGRAMCHANGE 0xC
  15
  16 #define MIDI_ALL_NOTES_OFF 123
  17
  18 // system messages
  19 #define MIDI_START 0xFA
  20 #define MIDI_CONTINUE 0xFB
  21 #define MIDI_STOP 0xFC
  22 #define MIDI_CLOCK 0xF8
  23
  24 // SYSEX ID
  25 #define MD_SYSEX_START      0xF0
  26 #define MD_SYSEX_END        0xF7
  27
  28 // MIDI manufacturer ID
  29 #define MD_MF_ID_1          0x00
  30 #define MD_MF_ID_2          0x20
  31 #define MD_MF_ID_3          0x64
  32
  33 // model number
  34 #define MD_SYNTH_ID          0x01
  35
  36 extern int midi_putchar(uint8_t c);
  37 extern int midi_getch(void);
  38 extern int midi_getchar(void);
  39
  40 extern void midi_init(void);
  41 extern uint8_t midi_readchannel(void);
  42 extern void midi_handle(void);
  43
  44 #define midi_note_off(chan, note, velocity) midi_send(MIDI_NOTE_OFF<<4, chan, note, velocity)
  45 #define midi_note_on(chan, note, velocity) midi_send(MIDI_NOTE_ON<<4, chan, note, velocity)
  46 extern void midi_send(uint8_t status, uint8_t chan, uint8_t data, uint8_t data2);
  47
  48 extern uint8_t midi_recv_cmd(void);
  49
  50 extern void midi_stop(void);
  51 extern void midi_notesoff(void);
  52
  53 // Sysex
  54 extern void sysex_start(uint8_t command);
  55 extern void sysex_data(uint8_t data);
  56 extern void sysex_end(void);
  57 #endif
  58