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254 lines
6.9 KiB
C
254 lines
6.9 KiB
C
/* Copyright 2016 Jack Humbert
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "process_music.h"
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#ifdef AUDIO_ENABLE
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#include "process_audio.h"
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#endif
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#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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#include "process_midi.h"
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#endif
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#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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bool music_activated = false;
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uint8_t music_starting_note = 0x0C;
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int music_offset = 7;
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uint8_t music_mode = MUSIC_MODE_CHROMATIC;
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// music sequencer
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static bool music_sequence_recording = false;
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static bool music_sequence_recorded = false;
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static bool music_sequence_playing = false;
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static uint8_t music_sequence[16] = {0};
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static uint8_t music_sequence_count = 0;
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static uint8_t music_sequence_position = 0;
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static uint16_t music_sequence_timer = 0;
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static uint16_t music_sequence_interval = 100;
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#ifdef AUDIO_ENABLE
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#ifndef MUSIC_ON_SONG
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#define MUSIC_ON_SONG SONG(MUSIC_ON_SOUND)
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#endif
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#ifndef MUSIC_OFF_SONG
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#define MUSIC_OFF_SONG SONG(MUSIC_OFF_SOUND)
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#endif
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#ifndef CHROMATIC_SONG
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#define CHROMATIC_SONG SONG(CHROMATIC_SOUND)
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#endif
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#ifndef GUITAR_SONG
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#define GUITAR_SONG SONG(GUITAR_SOUND)
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#endif
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#ifndef VIOLIN_SONG
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#define VIOLIN_SONG SONG(VIOLIN_SOUND)
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#endif
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#ifndef MAJOR_SONG
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#define MAJOR_SONG SONG(MAJOR_SOUND)
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#endif
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float music_mode_songs[NUMBER_OF_MODES][5][2] = {
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CHROMATIC_SONG,
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GUITAR_SONG,
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VIOLIN_SONG,
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MAJOR_SONG
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};
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float music_on_song[][2] = MUSIC_ON_SONG;
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float music_off_song[][2] = MUSIC_OFF_SONG;
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#endif
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#ifndef MUSIC_MASK
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#define MUSIC_MASK keycode < 0xFF
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#endif
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static void music_noteon(uint8_t note) {
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#ifdef AUDIO_ENABLE
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process_audio_noteon(note);
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#endif
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#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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process_midi_basic_noteon(note);
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#endif
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}
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static void music_noteoff(uint8_t note) {
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#ifdef AUDIO_ENABLE
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process_audio_noteoff(note);
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#endif
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#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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process_midi_basic_noteoff(note);
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#endif
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}
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void music_all_notes_off(void) {
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#ifdef AUDIO_ENABLE
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process_audio_all_notes_off();
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#endif
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#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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process_midi_all_notes_off();
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#endif
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}
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bool process_music(uint16_t keycode, keyrecord_t *record) {
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if (keycode == MU_ON && record->event.pressed) {
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music_on();
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return false;
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}
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if (keycode == MU_OFF && record->event.pressed) {
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music_off();
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return false;
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}
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if (keycode == MU_TOG && record->event.pressed) {
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if (music_activated) {
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music_off();
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} else {
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music_on();
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}
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return false;
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}
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if (keycode == MU_MOD && record->event.pressed) {
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music_mode_cycle();
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return false;
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}
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if (music_activated) {
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if (record->event.pressed) {
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if (keycode == KC_LCTL) { // Start recording
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music_all_notes_off();
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music_sequence_recording = true;
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music_sequence_recorded = false;
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music_sequence_playing = false;
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music_sequence_count = 0;
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return false;
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}
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if (keycode == KC_LALT) { // Stop recording/playing
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music_all_notes_off();
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if (music_sequence_recording) { // was recording
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music_sequence_recorded = true;
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}
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music_sequence_recording = false;
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music_sequence_playing = false;
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return false;
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}
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if (keycode == KC_LGUI && music_sequence_recorded) { // Start playing
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music_all_notes_off();
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music_sequence_recording = false;
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music_sequence_playing = true;
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music_sequence_position = 0;
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music_sequence_timer = 0;
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return false;
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}
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if (keycode == KC_UP) {
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music_sequence_interval-=10;
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return false;
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}
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if (keycode == KC_DOWN) {
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music_sequence_interval+=10;
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return false;
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}
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}
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uint8_t note;
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if (music_mode == MUSIC_MODE_CHROMATIC)
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note = (music_starting_note + record->event.key.col + music_offset - 3)+12*(MATRIX_ROWS - record->event.key.row);
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else if (music_mode == MUSIC_MODE_GUITAR)
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note = (music_starting_note + record->event.key.col + music_offset + 32)+5*(MATRIX_ROWS - record->event.key.row);
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else if (music_mode == MUSIC_MODE_VIOLIN)
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note = (music_starting_note + record->event.key.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.row);
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else if (music_mode == MUSIC_MODE_MAJOR)
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note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.row);
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else
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note = music_starting_note;
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if (record->event.pressed) {
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music_noteon(note);
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if (music_sequence_recording) {
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music_sequence[music_sequence_count] = note;
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music_sequence_count++;
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}
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} else {
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music_noteoff(note);
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}
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if (MUSIC_MASK)
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return false;
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}
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return true;
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}
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bool is_music_on(void) {
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return (music_activated != 0);
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}
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void music_toggle(void) {
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if (!music_activated) {
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music_on();
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} else {
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music_off();
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}
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}
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void music_on(void) {
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music_activated = 1;
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#ifdef AUDIO_ENABLE
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PLAY_SONG(music_on_song);
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#endif
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music_on_user();
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}
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void music_off(void) {
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music_all_notes_off();
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music_activated = 0;
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#ifdef AUDIO_ENABLE
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PLAY_SONG(music_off_song);
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#endif
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}
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void music_mode_cycle(void) {
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music_all_notes_off();
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music_mode = (music_mode + 1) % NUMBER_OF_MODES;
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#ifdef AUDIO_ENABLE
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PLAY_SONG(music_mode_songs[music_mode]);
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#endif
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}
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void matrix_scan_music(void) {
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if (music_sequence_playing) {
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if ((music_sequence_timer == 0) || (timer_elapsed(music_sequence_timer) > music_sequence_interval)) {
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music_sequence_timer = timer_read();
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uint8_t prev_note = music_sequence[(music_sequence_position - 1 < 0)?(music_sequence_position - 1 + music_sequence_count):(music_sequence_position - 1)];
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uint8_t next_note = music_sequence[music_sequence_position];
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music_noteoff(prev_note);
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music_noteon(next_note);
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music_sequence_position = (music_sequence_position + 1) % music_sequence_count;
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}
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}
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}
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__attribute__ ((weak))
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void music_on_user() {}
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__attribute__ ((weak))
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void music_scale_user() {}
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#endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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