diff options
Diffstat (limited to 'quantum')
27 files changed, 1667 insertions, 984 deletions
diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c index 2a315fd168..e1e81fd2b8 100644 --- a/quantum/audio/audio.c +++ b/quantum/audio/audio.c @@ -89,15 +89,15 @@ void audio_init() } audio_config.raw = eeconfig_read_audio(); - // Set port PC6 (OC3A and /OC4A) as output + // Set port PC6 (OC3A and /OC4A) as output DDRC |= _BV(PORTC6); DISABLE_AUDIO_COUNTER_3_ISR; - // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers - // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6 - // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A) - // Clock Select (CS3n) = 0b010 = Clock / 8 + // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers + // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6 + // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A) + // Clock Select (CS3n) = 0b010 = Clock / 8 TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); @@ -106,6 +106,8 @@ void audio_init() void stop_all_notes() { + dprintf("audio stop all notes"); + if (!audio_initialized) { audio_init(); } @@ -128,6 +130,8 @@ void stop_all_notes() void stop_note(float freq) { + dprintf("audio stop note freq=%d", (int)freq); + if (playing_note) { if (!audio_initialized) { audio_init(); @@ -183,159 +187,161 @@ float vibrato(float average_freq) { ISR(TIMER3_COMPA_vect) { - float freq; - - if (playing_note) { - if (voices > 0) { - if (polyphony_rate > 0) { - if (voices > 1) { - voice_place %= voices; - if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) { - voice_place = (voice_place + 1) % voices; - place = 0.0; - } - } - - #ifdef VIBRATO_ENABLE - if (vibrato_strength > 0) { - freq = vibrato(frequencies[voice_place]); - } else { - freq = frequencies[voice_place]; - } - #else - freq = frequencies[voice_place]; - #endif - } else { - if (glissando) { - if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) { - frequency = frequency * pow(2, 440/frequency/12/2); - } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) { - frequency = frequency * pow(2, -440/frequency/12/2); - } else { - frequency = frequencies[voices - 1]; - } - } else { - frequency = frequencies[voices - 1]; - } - - #ifdef VIBRATO_ENABLE - if (vibrato_strength > 0) { - freq = vibrato(frequency); - } else { - freq = frequency; - } - #else - freq = frequency; - #endif - } - - if (envelope_index < 65535) { - envelope_index++; - } - - freq = voice_envelope(freq); - - if (freq < 30.517578125) { - freq = 30.52; - } - - TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER)); - TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); - } - } - - if (playing_notes) { - if (note_frequency > 0) { - #ifdef VIBRATO_ENABLE - if (vibrato_strength > 0) { - freq = vibrato(note_frequency); - } else { - freq = note_frequency; - } - #else - freq = note_frequency; - #endif - - if (envelope_index < 65535) { - envelope_index++; - } - freq = voice_envelope(freq); - - TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER)); - TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); - } else { - TIMER_3_PERIOD = 0; - TIMER_3_DUTY_CYCLE = 0; - } - - note_position++; - bool end_of_note = false; - if (TIMER_3_PERIOD > 0) { - end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF)); - } else { - end_of_note = (note_position >= (note_length * 0x7FF)); - } - - if (end_of_note) { - current_note++; - if (current_note >= notes_count) { - if (notes_repeat) { - current_note = 0; - } else { - DISABLE_AUDIO_COUNTER_3_ISR; - DISABLE_AUDIO_COUNTER_3_OUTPUT; - playing_notes = false; - return; - } - } - if (!note_resting && (notes_rest > 0)) { - note_resting = true; - note_frequency = 0; - note_length = notes_rest; - current_note--; - } else { - note_resting = false; - envelope_index = 0; - note_frequency = (*notes_pointer)[current_note][0]; - note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); - } - - note_position = 0; - } - } - - if (!audio_config.enable) { - playing_notes = false; - playing_note = false; - } + float freq; + + if (playing_note) { + if (voices > 0) { + if (polyphony_rate > 0) { + if (voices > 1) { + voice_place %= voices; + if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) { + voice_place = (voice_place + 1) % voices; + place = 0.0; + } + } + + #ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq = vibrato(frequencies[voice_place]); + } else { + freq = frequencies[voice_place]; + } + #else + freq = frequencies[voice_place]; + #endif + } else { + if (glissando) { + if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) { + frequency = frequency * pow(2, 440/frequency/12/2); + } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) { + frequency = frequency * pow(2, -440/frequency/12/2); + } else { + frequency = frequencies[voices - 1]; + } + } else { + frequency = frequencies[voices - 1]; + } + + #ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq = vibrato(frequency); + } else { + freq = frequency; + } + #else + freq = frequency; + #endif + } + + if (envelope_index < 65535) { + envelope_index++; + } + + freq = voice_envelope(freq); + + if (freq < 30.517578125) { + freq = 30.52; + } + + TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER)); + TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); + } + } + + if (playing_notes) { + if (note_frequency > 0) { + #ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq = vibrato(note_frequency); + } else { + freq = note_frequency; + } + #else + freq = note_frequency; + #endif + + if (envelope_index < 65535) { + envelope_index++; + } + freq = voice_envelope(freq); + + TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER)); + TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); + } else { + TIMER_3_PERIOD = 0; + TIMER_3_DUTY_CYCLE = 0; + } + + note_position++; + bool end_of_note = false; + if (TIMER_3_PERIOD > 0) { + end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF)); + } else { + end_of_note = (note_position >= (note_length * 0x7FF)); + } + + if (end_of_note) { + current_note++; + if (current_note >= notes_count) { + if (notes_repeat) { + current_note = 0; + } else { + DISABLE_AUDIO_COUNTER_3_ISR; + DISABLE_AUDIO_COUNTER_3_OUTPUT; + playing_notes = false; + return; + } + } + if (!note_resting && (notes_rest > 0)) { + note_resting = true; + note_frequency = 0; + note_length = notes_rest; + current_note--; + } else { + note_resting = false; + envelope_index = 0; + note_frequency = (*notes_pointer)[current_note][0]; + note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); + } + + note_position = 0; + } + } + + if (!audio_config.enable) { + playing_notes = false; + playing_note = false; + } } void play_note(float freq, int vol) { + dprintf("audio play note freq=%d vol=%d", (int)freq, vol); + if (!audio_initialized) { audio_init(); } - if (audio_config.enable && voices < 8) { - DISABLE_AUDIO_COUNTER_3_ISR; + if (audio_config.enable && voices < 8) { + DISABLE_AUDIO_COUNTER_3_ISR; - // Cancel notes if notes are playing - if (playing_notes) - stop_all_notes(); + // Cancel notes if notes are playing + if (playing_notes) + stop_all_notes(); - playing_note = true; + playing_note = true; - envelope_index = 0; + envelope_index = 0; - if (freq > 0) { - frequencies[voices] = freq; - volumes[voices] = vol; - voices++; - } + if (freq > 0) { + frequencies[voices] = freq; + volumes[voices] = vol; + voices++; + } ENABLE_AUDIO_COUNTER_3_ISR; ENABLE_AUDIO_COUNTER_3_OUTPUT; - } + } } @@ -346,37 +352,37 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest) audio_init(); } - if (audio_config.enable) { + if (audio_config.enable) { - DISABLE_AUDIO_COUNTER_3_ISR; + DISABLE_AUDIO_COUNTER_3_ISR; - // Cancel note if a note is playing - if (playing_note) - stop_all_notes(); + // Cancel note if a note is playing + if (playing_note) + stop_all_notes(); - playing_notes = true; + playing_notes = true; - notes_pointer = np; - notes_count = n_count; - notes_repeat = n_repeat; - notes_rest = n_rest; + notes_pointer = np; + notes_count = n_count; + notes_repeat = n_repeat; + notes_rest = n_rest; - place = 0; - current_note = 0; + place = 0; + current_note = 0; note_frequency = (*notes_pointer)[current_note][0]; note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); - note_position = 0; + note_position = 0; ENABLE_AUDIO_COUNTER_3_ISR; ENABLE_AUDIO_COUNTER_3_OUTPUT; - } + } } bool is_playing_notes(void) { - return playing_notes; + return playing_notes; } bool is_audio_on(void) { diff --git a/quantum/audio/song_list.h b/quantum/audio/song_list.h index 8022ca6729..400915db91 100644 --- a/quantum/audio/song_list.h +++ b/quantum/audio/song_list.h @@ -122,4 +122,31 @@ E__NOTE(_E5), \ E__NOTE(_D5), +#define COIN_SOUND \ + E__NOTE(_A5 ), \ + HD_NOTE(_E6 ), + +#define ONE_UP_SOUND \ + Q__NOTE(_E6 ), \ + Q__NOTE(_G6 ), \ + Q__NOTE(_E7 ), \ + Q__NOTE(_C7 ), \ + Q__NOTE(_D7 ), \ + Q__NOTE(_G7 ), + +#define SONIC_RING \ + E__NOTE(_E6), \ + E__NOTE(_G6), \ + HD_NOTE(_C7), + +#define ZELDA_PUZZLE \ + Q__NOTE(_G5), \ + Q__NOTE(_FS5), \ + Q__NOTE(_DS5), \ + Q__NOTE(_A4), \ + Q__NOTE(_GS4), \ + Q__NOTE(_E5), \ + Q__NOTE(_GS5), \ + HD_NOTE(_C6), + #endif diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 8326e91eaa..c2edb75f01 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -24,6 +24,7 @@ void voice_deiterate() { float voice_envelope(float frequency) { // envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz + __attribute__ ((unused)) uint16_t compensated_index = (uint16_t)((float)envelope_index * (880.0 / frequency)); switch (voice) { diff --git a/quantum/fauxclicky.c b/quantum/fauxclicky.c new file mode 100644 index 0000000000..13273e7058 --- /dev/null +++ b/quantum/fauxclicky.c @@ -0,0 +1,68 @@ +/* +Copyright 2017 Priyadi Iman Nurcahyo + +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 <avr/interrupt.h> +#include <avr/io.h> +#include <timer.h> +#include <fauxclicky.h> +#include <stdbool.h> +#include <musical_notes.h> + +__attribute__ ((weak)) +float fauxclicky_pressed_note[2] = MUSICAL_NOTE(_F3, 2); +__attribute__ ((weak)) +float fauxclicky_released_note[2] = MUSICAL_NOTE(_A3, 2); +__attribute__ ((weak)) +float fauxclicky_beep_note[2] = MUSICAL_NOTE(_C3, 2); + +bool fauxclicky_enabled = true; +uint16_t note_start = 0; +bool note_playing = false; +uint16_t note_period = 0; + +void fauxclicky_init() +{ + // Set port PC6 (OC3A and /OC4A) as output + DDRC |= _BV(PORTC6); + + // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers + TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); + TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); +} + +void fauxclicky_stop() +{ + FAUXCLICKY_DISABLE_OUTPUT; + note_playing = false; +} + +void fauxclicky_play(float note[2]) { + if (!fauxclicky_enabled) return; + if (note_playing) fauxclicky_stop(); + FAUXCLICKY_TIMER_PERIOD = (uint16_t)(((float)F_CPU) / (note[0] * FAUXCLICKY_CPU_PRESCALER)); + FAUXCLICKY_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (note[0] * FAUXCLICKY_CPU_PRESCALER)) / 2); + note_playing = true; + note_period = (note[1] / 16) * (60 / (float)FAUXCLICKY_TEMPO) * 100; // check this + note_start = timer_read(); + FAUXCLICKY_ENABLE_OUTPUT; +} + +void fauxclicky_check() { + if (!note_playing) return; + + if (timer_elapsed(note_start) > note_period) { + fauxclicky_stop(); + } +} diff --git a/quantum/fauxclicky.h b/quantum/fauxclicky.h new file mode 100644 index 0000000000..109bd0d83e --- /dev/null +++ b/quantum/fauxclicky.h @@ -0,0 +1,99 @@ +/* +Copyright 2017 Priyadi Iman Nurcahyo + +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/>. +*/ + +#ifdef AUDIO_ENABLE +#error "AUDIO_ENABLE and FAUXCLICKY_ENABLE cannot be both enabled" +#endif + +#include "musical_notes.h" +#include "stdbool.h" + +__attribute__ ((weak)) +float fauxclicky_pressed_note[2]; +__attribute__ ((weak)) +float fauxclicky_released_note[2]; +__attribute__ ((weak)) +float fauxclicky_beep_note[2]; + +bool fauxclicky_enabled; + +// +// tempo in BPM +// + +#ifndef FAUXCLICKY_TEMPO +#define FAUXCLICKY_TEMPO TEMPO_DEFAULT +#endif + +// beep on press +#define FAUXCLICKY_ACTION_PRESS fauxclicky_play(fauxclicky_pressed_note) + +// beep on release +#define FAUXCLICKY_ACTION_RELEASE fauxclicky_play(fauxclicky_released_note) + +// general purpose beep +#define FAUXCLICKY_BEEP fauxclicky_play(fauxclicky_beep_note) + +// enable +#define FAUXCLICKY_ON fauxclicky_enabled = true + +// disable +#define FAUXCLICKY_OFF do { \ + fauxclicky_enabled = false; \ + fauxclicky_stop(); \ +} while (0) + +// toggle +#define FAUXCLICKY_TOGGLE do { \ + if (fauxclicky_enabled) { \ + FAUXCLICKY_OFF; \ + } else { \ + FAUXCLICKY_ON; \ + } \ +} while (0) + +// +// pin configuration +// + +#ifndef FAUXCLICKY_CPU_PRESCALER +#define FAUXCLICKY_CPU_PRESCALER 8 +#endif + +#ifndef FAUXCLICKY_ENABLE_OUTPUT +#define FAUXCLICKY_ENABLE_OUTPUT TCCR3A |= _BV(COM3A1); +#endif + +#ifndef FAUXCLICKY_DISABLE_OUTPUT +#define FAUXCLICKY_DISABLE_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0)); +#endif + +#ifndef FAUXCLICKY_TIMER_PERIOD +#define FAUXCLICKY_TIMER_PERIOD ICR3 +#endif + +#ifndef FAUXCLICKY_DUTY_CYCLE +#define FAUXCLICKY_DUTY_CYCLE OCR3A +#endif + +// +// definitions +// + +void fauxclicky_init(void); +void fauxclicky_stop(void); +void fauxclicky_play(float note[2]); +void fauxclicky_check(void); + diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c index 5190f24e87..002eabd85e 100644 --- a/quantum/keymap_common.c +++ b/quantum/keymap_common.c @@ -119,8 +119,11 @@ action_t action_for_key(uint8_t layer, keypos_t key) mod = keycode & 0xFF; action.code = ACTION_MODS_ONESHOT(mod); break; + case QK_LAYER_TAP_TOGGLE ... QK_LAYER_TAP_TOGGLE_MAX: + action.code = ACTION_LAYER_TAP_TOGGLE(keycode & 0xFF); + break; case QK_MOD_TAP ... QK_MOD_TAP_MAX: - action.code = ACTION_MODS_TAP_KEY((keycode >> 0x8) & 0xF, keycode & 0xFF); + action.code = ACTION_MODS_TAP_KEY((keycode >> 0x8) & 0x1F, keycode & 0xFF); break; #ifdef BACKLIGHT_ENABLE case BL_0 ... BL_15: diff --git a/quantum/keymap_extras/keymap_french.h b/quantum/keymap_extras/keymap_french.h index 834c69650e..401bbdf644 100644 --- a/quantum/keymap_extras/keymap_french.h +++ b/quantum/keymap_extras/keymap_french.h @@ -4,7 +4,9 @@ #include "keymap.h" // Alt gr +#ifndef ALGR #define ALGR(kc) RALT(kc) +#endif #define NO_ALGR KC_RALT // Normal characters @@ -72,7 +74,7 @@ #define FR_PIPE ALGR(KC_6) #define FR_GRV ALGR(KC_7) #define FR_BSLS ALGR(KC_8) -#define FR_CIRC ALGR(KC_9) +#define FR_CCIRC ALGR(KC_9) #define FR_AT ALGR(KC_0) #define FR_RBRC ALGR(FR_RPRN) #define FR_RCBR ALGR(FR_EQL) diff --git a/quantum/process_keycode/process_audio.c b/quantum/process_keycode/process_audio.c new file mode 100644 index 0000000000..0b6380ed39 --- /dev/null +++ b/quantum/process_keycode/process_audio.c @@ -0,0 +1,62 @@ +#include "audio.h" +#include "process_audio.h" + +static float compute_freq_for_midi_note(uint8_t note) +{ + // https://en.wikipedia.org/wiki/MIDI_tuning_standard + return pow(2.0, (note - 69) / 12.0) * 440.0f; +} + +bool process_audio(uint16_t keycode, keyrecord_t *record) { + + if (keycode == AU_ON && record->event.pressed) { + audio_on(); + return false; + } + + if (keycode == AU_OFF && record->event.pressed) { + audio_off(); + return false; + } + + if (keycode == AU_TOG && record->event.pressed) { + if (is_audio_on()) + { + audio_off(); + } + else + { + audio_on(); + } + return false; + } + + if (keycode == MUV_IN && record->event.pressed) { + voice_iterate(); + music_scale_user(); + return false; + } + + if (keycode == MUV_DE && record->event.pressed) { + voice_deiterate(); + music_scale_user(); + return false; + } + + return true; +} + +void process_audio_noteon(uint8_t note) { + play_note(compute_freq_for_midi_note(note), 0xF); +} + +void process_audio_noteoff(uint8_t note) { + stop_note(compute_freq_for_midi_note(note)); +} + +void process_audio_all_notes_off(void) { + stop_all_notes(); +} + +__attribute__ ((weak)) +void audio_on_user() {}
\ No newline at end of file diff --git a/quantum/process_keycode/process_audio.h b/quantum/process_keycode/process_audio.h new file mode 100644 index 0000000000..7ac15b7330 --- /dev/null +++ b/quantum/process_keycode/process_audio.h @@ -0,0 +1,11 @@ +#ifndef PROCESS_AUDIO_H +#define PROCESS_AUDIO_H + +bool process_audio(uint16_t keycode, keyrecord_t *record); +void process_audio_noteon(uint8_t note); +void process_audio_noteoff(uint8_t note); +void process_audio_all_notes_off(void); + +void audio_on_user(void); + +#endif
\ No newline at end of file diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c index 577dad43ac..700c6ce8e6 100644 --- a/quantum/process_keycode/process_midi.c +++ b/quantum/process_keycode/process_midi.c @@ -1,68 +1,238 @@ #include "process_midi.h" -bool midi_activated = false; -uint8_t midi_starting_note = 0x0C; -int midi_offset = 7; - -bool process_midi(uint16_t keycode, keyrecord_t *record) { - if (keycode == MI_ON && record->event.pressed) { - midi_activated = true; -#ifdef AUDIO_ENABLE - music_scale_user(); -#endif - return false; - } +#ifdef MIDI_ENABLE +#include "midi.h" + +#ifdef MIDI_BASIC + +void process_midi_basic_noteon(uint8_t note) +{ + midi_send_noteon(&midi_device, 0, note, 128); +} + +void process_midi_basic_noteoff(uint8_t note) +{ + midi_send_noteoff(&midi_device, 0, note, 0); +} + +void process_midi_all_notes_off(void) +{ + midi_send_cc(&midi_device, 0, 0x7B, 0); +} + +#endif // MIDI_BASIC + +#ifdef MIDI_ADVANCED + +#include "timer.h" + +static uint8_t tone_status[MIDI_TONE_COUNT]; + +static uint8_t midi_modulation; +static int8_t midi_modulation_step; +static uint16_t midi_modulation_timer; + +inline uint8_t compute_velocity(uint8_t setting) +{ + return (setting + 1) * (128 / (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN + 1)); +} - if (keycode == MI_OFF && record->event.pressed) { - midi_activated = false; - midi_send_cc(&midi_device, 0, 0x7B, 0); - return false; +void midi_init(void) +{ + midi_config.octave = MI_OCT_2 - MIDI_OCTAVE_MIN; + midi_config.transpose = 0; + midi_config.velocity = (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN); + midi_config.channel = 0; + midi_config.modulation_interval = 8; + + for (uint8_t i = 0; i < MIDI_TONE_COUNT; i++) + { + tone_status[i] = MIDI_INVALID_NOTE; } - 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; + midi_modulation = 0; + midi_modulation_step = 0; + midi_modulation_timer = 0; +} + +void midi_task(void) +{ + if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval) + return; + midi_modulation_timer = timer_read(); + + if (midi_modulation_step != 0) + { + dprintf("midi modulation %d\n", midi_modulation); + midi_send_cc(&midi_device, midi_config.channel, 0x1, midi_modulation); + + if (midi_modulation_step < 0 && midi_modulation < -midi_modulation_step) { + midi_modulation = 0; + midi_modulation_step = 0; + return; + } + + midi_modulation += midi_modulation_step; + + if (midi_modulation > 127) + midi_modulation = 127; } - return true; } + |