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qmk_firmware/quantum/process_keycode/process_midi.c

66 lines
2.5 KiB
C

#include "process_midi.h"
bool midi_activated = false;
uint8_t starting_note = 0x0C;
int offset = 7;
bool process_midi(uint16_t keycode, keyrecord_t *record) {
if (keycode == MI_ON && record->event.pressed) {
midi_activated = true;
music_scale_user();
return false;
}
if (keycode == MI_OFF && record->event.pressed) {
midi_activated = false;
midi_send_cc(&midi_device, 0, 0x7B, 0);
return false;
}
if (midi_activated) {
if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) {
if (record->event.pressed) {
starting_note++; // Change key
midi_send_cc(&midi_device, 0, 0x7B, 0);
}
return false;
}
if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) {
if (record->event.pressed) {
starting_note--; // Change key
midi_send_cc(&midi_device, 0, 0x7B, 0);
}
return false;
}
if (record->event.key.col == (MATRIX_COLS - 3) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
offset++; // Change scale
midi_send_cc(&midi_device, 0, 0x7B, 0);
return false;
}
if (record->event.key.col == (MATRIX_COLS - 4) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
offset--; // Change scale
midi_send_cc(&midi_device, 0, 0x7B, 0);
return false;
}
// basic
// uint8_t note = (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row);
// advanced
// uint8_t note = (starting_note + record->event.key.col + offset)+12*(MATRIX_ROWS - record->event.key.row);
// guitar
uint8_t note = (starting_note + record->event.key.col + offset)+5*(MATRIX_ROWS - record->event.key.row);
// violin
// uint8_t note = (starting_note + record->event.key.col + offset)+7*(MATRIX_ROWS - record->event.key.row);
if (record->event.pressed) {
// midi_send_noteon(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
midi_send_noteon(&midi_device, 0, note, 127);
} else {
// midi_send_noteoff(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
midi_send_noteoff(&midi_device, 0, note, 127);
}
if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through
return false;
}
return true;
}