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Diffstat (limited to 'quantum/process_keycode/process_music.c')
| -rw-r--r-- | quantum/process_keycode/process_music.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_music.c b/quantum/process_keycode/process_music.c new file mode 100644 index 000000000..217dca280 --- /dev/null +++ b/quantum/process_keycode/process_music.c @@ -0,0 +1,205 @@ +/* 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; +uint8_t music_starting_note = 0x0C; +int music_offset = 7; + +// 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; + +static void music_noteon(uint8_t note) { + #ifdef AUDIO_ENABLE + process_audio_noteon(note); + #endif + #if defined(MIDI_ENABLE) && defined(MIDI_BASIC) + process_midi_basic_noteon(note); + #endif +} + +static void music_noteoff(uint8_t note) { + #ifdef AUDIO_ENABLE + process_audio_noteoff(note); + #endif + #if defined(MIDI_ENABLE) && defined(MIDI_BASIC) + process_midi_basic_noteoff(note); + #endif +} + +void music_all_notes_off(void) { + #ifdef AUDIO_ENABLE + process_audio_all_notes_off(); + #endif + #if defined(MIDI_ENABLE) && defined(MIDI_BASIC) + 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 (music_activated) { + + if (keycode == KC_LCTL && record->event.pressed) { // 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 && record->event.pressed) { // 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 && record->event.pressed && 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) { + if (record->event.pressed) + music_sequence_interval-=10; + return false; + } + + if (keycode == KC_DOWN) { + if (record->event.pressed) + music_sequence_interval+=10; + return false; + } + + #define MUSIC_MODE_GUITAR + + #ifdef MUSIC_MODE_CHROMATIC + uint8_t note = (music_starting_note + record->event.key.col + music_offset - 3)+12*(MATRIX_ROWS - record->event.key.row); + #elif defined(MUSIC_MODE_GUITAR) + uint8_t note = (music_starting_note + record->event.key.col + music_offset + 32)+5*(MATRIX_ROWS - record->event.key.row); + #elif defined(MUSIC_MODE_VIOLIN) + uint8_t note = (music_starting_note + record->event.key.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.row); + #else + uint8_t note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.row); + #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 (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through + return false; + } + + return true; +} + +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; + music_on_user(); +} + +void music_off(void) { + music_activated = 0; + music_all_notes_off(); +} + +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 music_scale_user() {} + +#endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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