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Factor basic note processing into respective processors

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This commit is contained in:
Gabriel Young 2017-02-25 19:25:33 -08:00
parent 525be99ee9
commit 1000799d1e
9 changed files with 186 additions and 85 deletions
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1
build_keyboard.mk
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@ -157,6 +157,7 @@ endif
ifeq ($(strip $(AUDIO_ENABLE)), yes)
OPT_DEFS += -DAUDIO_ENABLE
SRC += $(QUANTUM_DIR)/process_keycode/process_music.c
SRC += $(QUANTUM_DIR)/process_keycode/process_audio.c
SRC += $(QUANTUM_DIR)/audio/audio.c
SRC += $(QUANTUM_DIR)/audio/voices.c
SRC += $(QUANTUM_DIR)/audio/luts.c

62
quantum/process_keycode/process_audio.c Normal file
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@ -0,0 +1,62 @@
#include "process_audio.h"
#include "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_stop_all_notes(void) {
stop_all_notes();
}
__attribute__ ((weak))
void audio_on_user() {}

11
quantum/process_keycode/process_audio.h Normal file
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@ -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_stop_all_notes(void);
void audio_on_user(void);
#endif

28
quantum/process_keycode/process_midi.c
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@ -1,6 +1,28 @@
#include "process_midi.h"
#if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED)
#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_basic_stop_all_notes(void)
{
midi_send_cc(&midi_device, 0, 0x7B, 0);
}
#endif // MIDI_BASIC
#ifdef MIDI_ADVANCED
#include "timer.h"
@ -165,7 +187,7 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
case MI_ALLOFF:
if (record->event.pressed) {
midi_send_cc(&midi_device, midi_config.channel, 0x7B, 0);
dprintf("midi off\n");
dprintf("midi all notes off\n");
}
return false;
case MI_SUS:
@ -212,3 +234,5 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
}
#endif // MIDI_ADVANCED
#endif // MIDI_ENABLE

13
quantum/process_keycode/process_midi.h
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@ -2,8 +2,16 @@
#define PROCESS_MIDI_H
#include "quantum.h"
#include "midi.h"
#ifdef MIDI_ENABLE
#ifdef MIDI_BASIC
void process_midi_basic_noteon(uint8_t note);
void process_midi_basic_noteoff(uint8_t note);
void process_midi_basic_stop_all_notes(void);
#endif
#ifdef MIDI_ADVANCED
typedef union {
uint32_t raw;
struct {
@ -25,5 +33,8 @@ bool process_midi(uint16_t keycode, keyrecord_t *record);
#define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1)
uint8_t midi_compute_note(uint16_t keycode);
#endif // MIDI_ADVANCED
#endif // MIDI_ENABLE
#endif

141
quantum/process_keycode/process_music.c
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@ -1,5 +1,14 @@
#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;
@ -8,39 +17,42 @@ int music_offset = 7;
static bool music_sequence_recording = false;
static bool music_sequence_recorded = false;
static bool music_sequence_playing = false;
static float music_sequence[16] = {0};
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
}
static void music_all_notes_off(void) {
#ifdef AUDIO_ENABLE
process_audio_stop_all_notes();
#endif
#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
process_midi_basic_stop_all_notes();
#endif
}
bool process_music(uint16_t keycode, keyrecord_t *record) {
#ifdef AUDIO_ENABLE
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;
}
#endif // AUDIO_ENABLE
if (keycode == MU_ON && record->event.pressed) {
music_on();
return false;
@ -63,26 +75,10 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
return false;
}
#ifdef AUDIO_ENABLE
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;
}
#endif // AUDIO_ENABLE
if (music_activated) {
if (keycode == KC_LCTL && record->event.pressed) { // Start recording
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
music_all_notes_off();
music_sequence_recording = true;
music_sequence_recorded = false;
music_sequence_playing = false;
@ -91,9 +87,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
}
if (keycode == KC_LALT && record->event.pressed) { // Stop recording/playing
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
music_all_notes_off();
if (music_sequence_recording) { // was recording
music_sequence_recorded = true;
}
@ -103,9 +97,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
}
if (keycode == KC_LGUI && record->event.pressed && music_sequence_recorded) { // Start playing
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
music_all_notes_off();
music_sequence_recording = false;
music_sequence_playing = true;
music_sequence_position = 0;
@ -124,32 +116,27 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
music_sequence_interval+=10;
return false;
}
#define MUSIC_MODE_GUITAR
#ifdef AUDIO_ENABLE
#ifdef MUSIC_MODE_CHROMATIC
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(MATRIX_ROWS - record->event.key.row));
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)
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(float)(MATRIX_ROWS - record->event.key.row + 7)*5.0/12);
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)
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(float)(MATRIX_ROWS - record->event.key.row + 5)*7.0/12);
uint8_t note = (music_starting_note + record->event.key.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.row);
#else
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + SCALE[record->event.key.col + music_offset])/12.0+(MATRIX_ROWS - record->event.key.row));
uint8_t note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.row);
#endif
#endif // AUDIO_ENABLE
if (record->event.pressed) {
#ifdef AUDIO_ENABLE
play_note(freq, 0xF);
music_noteon(note);
if (music_sequence_recording) {
music_sequence[music_sequence_count] = freq;
music_sequence[music_sequence_count] = note;
music_sequence_count++;
}
#endif
} else {
#ifdef AUDIO_ENABLE
stop_note(freq);
#endif
music_noteoff(note);
}
if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through
@ -177,32 +164,26 @@ void music_on(void) {
void music_off(void) {
music_activated = 0;
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
music_all_notes_off();
}
__attribute__ ((weak))
void music_on_user() {}
#ifdef AUDIO_ENABLE
__attribute__ ((weak))
void audio_on_user() {}
#endif
__attribute__ ((weak))
void music_scale_user() {}
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();
#ifdef AUDIO_ENABLE
stop_note(music_sequence[(music_sequence_position - 1 < 0)?(music_sequence_position - 1 + music_sequence_count):(music_sequence_position - 1)]);
play_note(music_sequence[music_sequence_position], 0xF);
#endif
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))

5
quantum/process_keycode/process_music.h
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@ -3,6 +3,8 @@
#include "quantum.h"
#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
bool process_music(uint16_t keycode, keyrecord_t *record);
bool is_music_on(void);
@ -10,7 +12,6 @@ void music_toggle(void);
void music_on(void);
void music_off(void);
void audio_on_user(void);
void music_on_user(void);
void music_scale_user(void);
@ -24,4 +25,6 @@ void matrix_scan_music(void);
0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
#endif
#endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
#endif

3
quantum/quantum.c
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@ -153,6 +153,9 @@ bool process_record_quantum(keyrecord_t *record) {
#if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED)
process_midi(keycode, record) &&
#endif
#ifdef AUDIO_ENABLE
process_audio(keycode, record) &&
#endif
#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
process_music(keycode, record) &&
#endif

7
quantum/quantum.h
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@ -35,11 +35,16 @@ extern uint32_t default_layer_state;
#ifdef MIDI_ENABLE
#include <lufa.h>
#ifdef MIDI_ADVANCED
#include "process_midi.h"
#endif
#endif // MIDI_ENABLE
#ifdef AUDIO_ENABLE
#include "audio.h"
#include "process_audio.h"
#endif
#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
#include "process_music.h"
#endif