keyb
Monophonic MIDI keyboard note input, gate, velocity and release velocity
Inlets
None
Outlets
frac32.bipolar midi note number (-64..63)
bool32 key pressed, no retrigger legato
bool32 key pressed, retrigger on legato
frac32.positive note-on velocity
frac32.positive note-off velocity
Declaration
int8_t _note;
int32_t _gate;
int32_t _gate2;
uint8_t _velo;
uint8_t _rvelo;
uint8_t _noteCount;
int8_t _noteTrig;
Init
_gate = 0;
_note = 0;
_noteCount = 0;
_noteTrig = 0;
Control Rate
outlet_note = _note << 21;
outlet_gate = _gate;
outlet_gate2 = _gate && !_noteTrig;
outlet_velocity = _velo << 20;
outlet_releaseVelocity = _rvelo << 20;
_noteTrig = 0;
Midi Handler
if ((status == MIDI_NOTE_ON + attr_midichannel) && (data2)) {
_velo = data2;
_note = data1 - 64;
_gate = 1 << 27;
_noteTrig = 1;
_noteCount++;
} else if (((status == MIDI_NOTE_ON + attr_midichannel) && (!data2)) ||
(status == MIDI_NOTE_OFF + attr_midichannel)) {
_noteCount = _noteCount > 0 ? _noteCount - 1 : 0;
_gate = _noteCount > 0;
} else if ((status == attr_midichannel + MIDI_CONTROL_CHANGE) &&
(data1 == MIDI_C_ALL_NOTES_OFF)) {
_gate = 0;
_noteCount = 0;
_noteTrig = 0;
}