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) {
midi_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) {
midi_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) {
midi_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) {
midi_offset--; // Change scale
midi_send_cc(&midi_device, 0, 0x7B, 0);
return false;
}
// basic
// uint8_t note = (midi_starting_note + SCALE[record->event.key.col + midi_offset])+12*(MATRIX_ROWS - record->event.key.row);
// advanced
// uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+12*(MATRIX_ROWS - record->event.key.row);
// guitar
uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+5*(MATRIX_ROWS - record->event.key.row);
// violin
// uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+7*(MATRIX_ROWS - record->event.key.row);
if (record->event.pressed) {
// midi_send_noteon(&midi_device, record->event.key.row, midi_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, midi_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;
}
int main(void) {
midi_init_device(&test_device);
midi_device_set_send_func(&test_device, send_func);
midi_send_cc(&test_device, 0, 0, 1);
midi_send_cc(&test_device, 15, 1, 1);
midi_register_fallthrough_callback(&test_device, fallthrough_callback);
midi_register_realtime_callback(&test_device, realtime_callback);
assert(!fallthrough_called);
assert(!realtime_called);
midi_device_input(&test_device, 3, 0xB0, 0, 1);
midi_device_input(&test_device, 1, MIDI_CLOCK, 0, 0);
midi_process(&test_device);
assert(fallthrough_called);
assert(realtime_called);
reset();
assert(!fallthrough_called);
assert(!realtime_called);
//interspersed
midi_device_input(&test_device, 1, 0xB0, 0, 0);
midi_device_input(&test_device, 1, MIDI_CLOCK, 0, 0);
midi_device_input(&test_device, 1, 0, 0, 0);
midi_device_input(&test_device, 1, MIDI_START, 0, 0);
midi_device_input(&test_device, 1, 1, 0, 0);
midi_process(&test_device);
assert(fallthrough_called);
assert(realtime_called);
midi_register_cc_callback(&test_device, cc_callback);
assert(!cc_called);
midi_device_input(&test_device, 3, 0xB0, 0, 1);
midi_process(&test_device);
assert(cc_called);
reset();
assert(!cc_called);
assert(!realtime_called);
midi_device_input(&test_device, 1, 0xB0, 0, 0);
midi_device_input(&test_device, 1, MIDI_CLOCK, 0, 0);
midi_device_input(&test_device, 1, 0, 0, 0);
midi_device_input(&test_device, 1, MIDI_START, 0, 0);
midi_device_input(&test_device, 1, 1, 0, 0);
midi_process(&test_device);
assert(cc_called);
assert(realtime_called);
reset();
assert(!anything_called());
midi_device_input(&test_device, 1, 0xB0, 0, 0);
midi_device_input(&test_device, 1, 0, 0, 0);
midi_process(&test_device);
assert(!anything_called());
printf("\n\nTEST PASSED!\n\n");
return 0;
}
void midi_potis(void) {
int i, j;
for (i = 0; i < 8; i++)
for (j = 0; j < 8; j++) {
unsigned char poti = i * 8 + j;
if (poti_status[poti] & 0x80) {
midi_send_cc(1, poti, poti_status[poti] & 0x7F);
poti_status[poti] &= 0x7F;
}
}
}
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)261.626)*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)261.626)*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)261.626)*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)261.626)*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)261.626)*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)261.626)*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)261.626)*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)261.626)*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)261.626)*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)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
}
}