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keymap_midi.c
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keymap_midi.c
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/*
Copyright 2015 Jack Humbert <[email protected]>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "keymap_common.h"
#include "keymap_midi.h"
#include <lufa.h>
uint8_t starting_note = 0x0C;
int offset = 7;
void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
{
if (id != 0) {
if (record->event.pressed) {
midi_send_noteon(&midi_device, opt, (id & 0xFF), 127);
} else {
midi_send_noteoff(&midi_device, opt, (id & 0xFF), 127);
}
}
if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) {
if (record->event.pressed) {
starting_note++;
play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
midi_send_cc(&midi_device, 0, 0x7B, 0);
midi_send_cc(&midi_device, 1, 0x7B, 0);
midi_send_cc(&midi_device, 2, 0x7B, 0);
midi_send_cc(&midi_device, 3, 0x7B, 0);
midi_send_cc(&midi_device, 4, 0x7B, 0);
return;
} else {
stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
stop_all_notes();
return;
}
}
if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) {
if (record->event.pressed) {
starting_note--;
play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
midi_send_cc(&midi_device, 0, 0x7B, 0);
midi_send_cc(&midi_device, 1, 0x7B, 0);
midi_send_cc(&midi_device, 2, 0x7B, 0);
midi_send_cc(&midi_device, 3, 0x7B, 0);
midi_send_cc(&midi_device, 4, 0x7B, 0);
return;
} else {
stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
stop_all_notes();
return;
}
}
if (record->event.key.col == (MATRIX_COLS - 3) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
offset++;
midi_send_cc(&midi_device, 0, 0x7B, 0);
midi_send_cc(&midi_device, 1, 0x7B, 0);
midi_send_cc(&midi_device, 2, 0x7B, 0);
midi_send_cc(&midi_device, 3, 0x7B, 0);
midi_send_cc(&midi_device, 4, 0x7B, 0);
stop_all_notes();
for (int i = 0; i <= 7; i++) {
play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
_delay_us(80000);
stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
_delay_us(8000);
}
return;
}
if (record->event.key.col == (MATRIX_COLS - 4) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
offset--;
midi_send_cc(&midi_device, 0, 0x7B, 0);
midi_send_cc(&midi_device, 1, 0x7B, 0);
midi_send_cc(&midi_device, 2, 0x7B, 0);
midi_send_cc(&midi_device, 3, 0x7B, 0);
midi_send_cc(&midi_device, 4, 0x7B, 0);
stop_all_notes();
for (int i = 0; i <= 7; i++) {
play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
_delay_us(80000);
stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
_delay_us(8000);
}
return;
}
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, (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row), 127);
play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
} else {
// midi_send_noteoff(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
midi_send_noteoff(&midi_device, 0, (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row), 127);
stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
}
}