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qmk_firmware/quantum/process_keycode/process_music.c
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2019-08-30 15:01:52 -07:00

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/* Copyright 2016 Jack Humbert
*
* 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 "process_music.h"
#ifdef AUDIO_ENABLE
# include "process_audio.h"
#endif
#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
# include "process_midi.h"
#endif
#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
bool music_activated = false;
bool midi_activated = false;
uint8_t music_starting_note = 0x0C;
int music_offset = 7;
uint8_t music_mode = MUSIC_MODE_MAJOR;
// music sequencer
static bool music_sequence_recording = false;
static bool music_sequence_recorded = false;
static bool music_sequence_playing = false;
static uint8_t music_sequence[16] = {0};
static uint8_t music_sequence_count = 0;
static uint8_t music_sequence_position = 0;
static uint16_t music_sequence_timer = 0;
static uint16_t music_sequence_interval = 100;
# ifdef AUDIO_ENABLE
# ifndef MUSIC_ON_SONG
# define MUSIC_ON_SONG SONG(MUSIC_ON_SOUND)
# endif
# ifndef MUSIC_OFF_SONG
# define MUSIC_OFF_SONG SONG(MUSIC_OFF_SOUND)
# endif
# ifndef MIDI_ON_SONG
# define MIDI_ON_SONG SONG(MUSIC_ON_SOUND)
# endif
# ifndef MIDI_OFF_SONG
# define MIDI_OFF_SONG SONG(MUSIC_OFF_SOUND)
# endif
# ifndef CHROMATIC_SONG
# define CHROMATIC_SONG SONG(CHROMATIC_SOUND)
# endif
# ifndef GUITAR_SONG
# define GUITAR_SONG SONG(GUITAR_SOUND)
# endif
# ifndef VIOLIN_SONG
# define VIOLIN_SONG SONG(VIOLIN_SOUND)
# endif
# ifndef MAJOR_SONG
# define MAJOR_SONG SONG(MAJOR_SOUND)
# endif
float music_mode_songs[NUMBER_OF_MODES][5][2] = {CHROMATIC_SONG, GUITAR_SONG, VIOLIN_SONG, MAJOR_SONG};
float music_on_song[][2] = MUSIC_ON_SONG;
float music_off_song[][2] = MUSIC_OFF_SONG;
float midi_on_song[][2] = MIDI_ON_SONG;
float midi_off_song[][2] = MIDI_OFF_SONG;
# endif
static void music_noteon(uint8_t note) {
# ifdef AUDIO_ENABLE
if (music_activated) process_audio_noteon(note);
# endif
# if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
if (midi_activated) process_midi_basic_noteon(note);
# endif
}
static void music_noteoff(uint8_t note) {
# ifdef AUDIO_ENABLE
if (music_activated) process_audio_noteoff(note);
# endif
# if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
if (midi_activated) process_midi_basic_noteoff(note);
# endif
}
void music_all_notes_off(void) {
# ifdef AUDIO_ENABLE
if (music_activated) process_audio_all_notes_off();
# endif
# if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
if (midi_activated) process_midi_all_notes_off();
# endif
}
bool process_music(uint16_t keycode, keyrecord_t *record) {
if (keycode == MU_ON && record->event.pressed) {
music_on();
return false;
}
if (keycode == MU_OFF && record->event.pressed) {
music_off();
return false;
}
if (keycode == MU_TOG && record->event.pressed) {
if (music_activated) {
music_off();
} else {
music_on();
}
return false;
}
if (keycode == MI_ON && record->event.pressed) {
midi_on();
return false;
}
if (keycode == MI_OFF && record->event.pressed) {
midi_off();
return false;
}
if (keycode == MI_TOG && record->event.pressed) {
if (midi_activated) {
midi_off();
} else {
midi_on();
}
return false;
}
if (keycode == MU_MOD && record->event.pressed) {
music_mode_cycle();
return false;
}
if (music_activated || midi_activated) {
if (record->event.pressed) {
if (keycode == KC_LCTL) { // Start recording
music_all_notes_off();
music_sequence_recording = true;
music_sequence_recorded = false;
music_sequence_playing = false;
music_sequence_count = 0;
return false;
}
if (keycode == KC_LALT) { // Stop recording/playing
music_all_notes_off();
if (music_sequence_recording) { // was recording
music_sequence_recorded = true;
}
music_sequence_recording = false;
music_sequence_playing = false;
return false;
}
if (keycode == KC_LGUI && music_sequence_recorded) { // Start playing
music_all_notes_off();
music_sequence_recording = false;
music_sequence_playing = true;
music_sequence_position = 0;
music_sequence_timer = 0;
return false;
}
if (keycode == KC_UP) {
music_sequence_interval -= 10;
return false;
}
if (keycode == KC_DOWN) {
music_sequence_interval += 10;
return false;
}
}
uint8_t note = 36;
# ifdef MUSIC_MAP
if (music_mode == MUSIC_MODE_CHROMATIC) {
note = music_starting_note + music_offset + 36 + music_map[record->event.key.row][record->event.key.col];
} else {
uint8_t position = music_map[record->event.key.row][record->event.key.col];
note = music_starting_note + music_offset + 36 + SCALE[position % 12] + (position / 12) * 12;
}
# else
if (music_mode == MUSIC_MODE_CHROMATIC)
note = (music_starting_note + record->event.key.col + music_offset - 3) + 12 * (MATRIX_ROWS - record->event.key.row);
else if (music_mode == MUSIC_MODE_GUITAR)
note = (music_starting_note + record->event.key.col + music_offset + 32) + 5 * (MATRIX_ROWS - record->event.key.row);
else if (music_mode == MUSIC_MODE_VIOLIN)
note = (music_starting_note + record->event.key.col + music_offset + 32) + 7 * (MATRIX_ROWS - record->event.key.row);
else if (music_mode == MUSIC_MODE_MAJOR)
note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3) + 12 * (MATRIX_ROWS - record->event.key.row);
else
note = music_starting_note;
# endif
if (record->event.pressed) {
music_noteon(note);
if (music_sequence_recording) {
music_sequence[music_sequence_count] = note;
music_sequence_count++;
}
} else {
music_noteoff(note);
}
if (music_mask(keycode)) return false;
}
return true;
}
bool music_mask(uint16_t keycode) {
# ifdef MUSIC_MASK
return MUSIC_MASK;
# else
return music_mask_kb(keycode);
# endif
}
__attribute__((weak)) bool music_mask_kb(uint16_t keycode) { return music_mask_user(keycode); }
__attribute__((weak)) bool music_mask_user(uint16_t keycode) { return keycode < 0xFF; }
bool is_music_on(void) { return (music_activated != 0); }
void music_toggle(void) {
if (!music_activated) {
music_on();
} else {
music_off();
}
}
void music_on(void) {
music_activated = 1;
# ifdef AUDIO_ENABLE
PLAY_SONG(music_on_song);
# endif
music_on_user();
}
void music_off(void) {
music_all_notes_off();
music_activated = 0;
# ifdef AUDIO_ENABLE
PLAY_SONG(music_off_song);
# endif
}
bool is_midi_on(void) { return (midi_activated != 0); }
void midi_toggle(void) {
if (!midi_activated) {
midi_on();
} else {
midi_off();
}
}
void midi_on(void) {
midi_activated = 1;
# ifdef AUDIO_ENABLE
PLAY_SONG(midi_on_song);
# endif
midi_on_user();
}
void midi_off(void) {
# if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
process_midi_all_notes_off();
# endif
midi_activated = 0;
# ifdef AUDIO_ENABLE
PLAY_SONG(midi_off_song);
# endif
}
void music_mode_cycle(void) {
music_all_notes_off();
music_mode = (music_mode + 1) % NUMBER_OF_MODES;
# ifdef AUDIO_ENABLE
PLAY_SONG(music_mode_songs[music_mode]);
# endif
}
void matrix_scan_music(void) {
if (music_sequence_playing) {
if ((music_sequence_timer == 0) || (timer_elapsed(music_sequence_timer) > music_sequence_interval)) {
music_sequence_timer = timer_read();
uint8_t prev_note = music_sequence[(music_sequence_position - 1 < 0) ? (music_sequence_position - 1 + music_sequence_count) : (music_sequence_position - 1)];
uint8_t next_note = music_sequence[music_sequence_position];
music_noteoff(prev_note);
music_noteon(next_note);
music_sequence_position = (music_sequence_position + 1) % music_sequence_count;
}
}
}
__attribute__((weak)) void music_on_user() {}
__attribute__((weak)) void midi_on_user() {}
__attribute__((weak)) void music_scale_user() {}
#endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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