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Merge pull request #1112 from newsboytko/newsboytko/midi-keycodes

Flesh out MIDI support
This commit is contained in:
Jack Humbert 2017-03-28 09:26:54 -04:00 committed by GitHub
commit 7e37daa2ce
36 changed files with 1435 additions and 496 deletions

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#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() {}

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#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

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#include "process_midi.h"
bool midi_activated = false;
uint8_t midi_starting_note = 0x0C;
int midi_offset = 7;
#ifdef MIDI_ENABLE
#include "midi.h"
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_BASIC
if (keycode == MI_OFF && record->event.pressed) {
midi_activated = false;
midi_send_cc(&midi_device, 0, 0x7B, 0);
return false;
}
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;
}
return true;
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));
}
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;
}
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;
}
}
uint8_t midi_compute_note(uint16_t keycode)
{
return 12 * midi_config.octave + (keycode - MIDI_TONE_MIN) + midi_config.transpose;
}
bool process_midi(uint16_t keycode, keyrecord_t *record)
{
switch (keycode) {
case MIDI_TONE_MIN ... MIDI_TONE_MAX:
{
uint8_t channel = midi_config.channel;
uint8_t tone = keycode - MIDI_TONE_MIN;
uint8_t velocity = compute_velocity(midi_config.velocity);
if (record->event.pressed) {
uint8_t note = midi_compute_note(keycode);
midi_send_noteon(&midi_device, channel, note, velocity);
dprintf("midi noteon channel:%d note:%d velocity:%d\n", channel, note, velocity);
tone_status[tone] = note;
}
else {
uint8_t note = tone_status[tone];
if (note != MIDI_INVALID_NOTE)
{
midi_send_noteoff(&midi_device, channel, note, velocity);
dprintf("midi noteoff channel:%d note:%d velocity:%d\n", channel, note, velocity);
}
tone_status[tone] = MIDI_INVALID_NOTE;
}
return false;
}
case MIDI_OCTAVE_MIN ... MIDI_OCTAVE_MAX:
if (record->event.pressed) {
midi_config.octave = keycode - MIDI_OCTAVE_MIN;
dprintf("midi octave %d\n", midi_config.octave);
}
return false;
case MI_OCTD:
if (record->event.pressed && midi_config.octave > 0) {
midi_config.octave--;
dprintf("midi octave %d\n", midi_config.octave);
}
return false;
case MI_OCTU:
if (record->event.pressed && midi_config.octave < (MIDI_OCTAVE_MAX - MIDI_OCTAVE_MIN)) {
midi_config.octave++;
dprintf("midi octave %d\n", midi_config.octave);
}
return false;
case MIDI_TRANSPOSE_MIN ... MIDI_TRANSPOSE_MAX:
if (record->event.pressed) {
midi_config.transpose = keycode - MI_TRNS_0;
dprintf("midi transpose %d\n", midi_config.transpose);
}
return false;
case MI_TRNSD:
if (record->event.pressed && midi_config.transpose > (MIDI_TRANSPOSE_MIN - MI_TRNS_0)) {
midi_config.transpose--;
dprintf("midi transpose %d\n", midi_config.transpose);
}
return false;
case MI_TRNSU:
if (record->event.pressed && midi_config.transpose < (MIDI_TRANSPOSE_MAX - MI_TRNS_0)) {
const bool positive = midi_config.transpose > 0;
midi_config.transpose++;
if (positive && midi_config.transpose < 0)
midi_config.transpose--;
dprintf("midi transpose %d\n", midi_config.transpose);
}
return false;
case MIDI_VELOCITY_MIN ... MIDI_VELOCITY_MAX:
if (record->event.pressed) {
midi_config.velocity = keycode - MIDI_VELOCITY_MIN;
dprintf("midi velocity %d\n", midi_config.velocity);
}
return false;
case MI_VELD:
if (record->event.pressed && midi_config.velocity > 0) {
midi_config.velocity--;
dprintf("midi velocity %d\n", midi_config.velocity);
}
return false;
case MI_VELU:
if (record->event.pressed) {
midi_config.velocity++;
dprintf("midi velocity %d\n", midi_config.velocity);
}
return false;
case MIDI_CHANNEL_MIN ... MIDI_CHANNEL_MAX:
if (record->event.pressed) {
midi_config.channel = keycode - MIDI_CHANNEL_MIN;
dprintf("midi channel %d\n", midi_config.channel);
}
return false;
case MI_CHD:
if (record->event.pressed) {
midi_config.channel--;
dprintf("midi channel %d\n", midi_config.channel);
}
return false;
case MI_CHU:
if (record->event.pressed) {
midi_config.channel++;
dprintf("midi channel %d\n", midi_config.channel);
}
return false;
case MI_ALLOFF:
if (record->event.pressed) {
midi_send_cc(&midi_device, midi_config.channel, 0x7B, 0);
dprintf("midi all notes off\n");
}
return false;
case MI_SUS:
midi_send_cc(&midi_device, midi_config.channel, 0x40, record->event.pressed ? 127 : 0);
dprintf("midi sustain %d\n", record->event.pressed);
return false;
case MI_PORT:
midi_send_cc(&midi_device, midi_config.channel, 0x41, record->event.pressed ? 127 : 0);
dprintf("midi portamento %d\n", record->event.pressed);
return false;
case MI_SOST:
midi_send_cc(&midi_device, midi_config.channel, 0x42, record->event.pressed ? 127 : 0);
dprintf("midi sostenuto %d\n", record->event.pressed);
return false;
case MI_SOFT:
midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
dprintf("midi soft %d\n", record->event.pressed);
return false;
case MI_LEG:
midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
dprintf("midi legato %d\n", record->event.pressed);
return false;
case MI_MOD:
midi_modulation_step = record->event.pressed ? 1 : -1;
return false;
case MI_MODSD:
if (record->event.pressed) {
midi_config.modulation_interval++;
// prevent overflow
if (midi_config.modulation_interval == 0)
midi_config.modulation_interval--;
dprintf("midi modulation interval %d\n", midi_config.modulation_interval);
}
return false;
case MI_MODSU:
if (record->event.pressed && midi_config.modulation_interval > 0) {
midi_config.modulation_interval--;
dprintf("midi modulation interval %d\n", midi_config.modulation_interval);
}
return false;
};
return true;
}
#endif // MIDI_ADVANCED
#endif // MIDI_ENABLE

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#include "quantum.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_all_notes_off(void);
#endif
#ifdef MIDI_ADVANCED
typedef union {
uint32_t raw;
struct {
uint8_t octave :4;
int8_t transpose :4;
uint8_t velocity :4;
uint8_t channel :4;
uint8_t modulation_interval :4;
};
} midi_config_t;
midi_config_t midi_config;
void midi_init(void);
void midi_task(void);
bool process_midi(uint16_t keycode, keyrecord_t *record);
#define MIDI(n) ((n) | 0x6000)
#define MIDI12 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000
#define MIDI_INVALID_NOTE 0xFF
#define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1)
#define CHNL(note, channel) (note + (channel << 8))
uint8_t midi_compute_note(uint16_t keycode);
#endif // MIDI_ADVANCED
#define SCALE (int8_t []){ 0 + (12*0), 2 + (12*0), 4 + (12*0), 5 + (12*0), 7 + (12*0), 9 + (12*0), 11 + (12*0), \
0 + (12*1), 2 + (12*1), 4 + (12*1), 5 + (12*1), 7 + (12*1), 9 + (12*1), 11 + (12*1), \
0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \
0 + (12*3), 2 + (12*3), 4 + (12*3), 5 + (12*3), 7 + (12*3), 9 + (12*3), 11 + (12*3), \
0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
#define N_CN1 (0x600C + (12 * -1) + 0 )
#define N_CN1S (0x600C + (12 * -1) + 1 )
#define N_DN1F (0x600C + (12 * -1) + 1 )
#define N_DN1 (0x600C + (12 * -1) + 2 )
#define N_DN1S (0x600C + (12 * -1) + 3 )
#define N_EN1F (0x600C + (12 * -1) + 3 )
#define N_EN1 (0x600C + (12 * -1) + 4 )
#define N_FN1 (0x600C + (12 * -1) + 5 )
#define N_FN1S (0x600C + (12 * -1) + 6 )
#define N_GN1F (0x600C + (12 * -1) + 6 )
#define N_GN1 (0x600C + (12 * -1) + 7 )
#define N_GN1S (0x600C + (12 * -1) + 8 )
#define N_AN1F (0x600C + (12 * -1) + 8 )
#define N_AN1 (0x600C + (12 * -1) + 9 )
#define N_AN1S (0x600C + (12 * -1) + 10)
#define N_BN1F (0x600C + (12 * -1) + 10)
#define N_BN1 (0x600C + (12 * -1) + 11)
#define N_C0 (0x600C + (12 * 0) + 0 )
#define N_C0S (0x600C + (12 * 0) + 1 )
#define N_D0F (0x600C + (12 * 0) + 1 )
#define N_D0 (0x600C + (12 * 0) + 2 )
#define N_D0S (0x600C + (12 * 0) + 3 )
#define N_E0F (0x600C + (12 * 0) + 3 )
#define N_E0 (0x600C + (12 * 0) + 4 )
#define N_F0 (0x600C + (12 * 0) + 5 )
#define N_F0S (0x600C + (12 * 0) + 6 )
#define N_G0F (0x600C + (12 * 0) + 6 )
#define N_G0 (0x600C + (12 * 0) + 7 )
#define N_G0S (0x600C + (12 * 0) + 8 )
#define N_A0F (0x600C + (12 * 0) + 8 )
#define N_A0 (0x600C + (12 * 0) + 9 )
#define N_A0S (0x600C + (12 * 0) + 10)
#define N_B0F (0x600C + (12 * 0) + 10)
#define N_B0 (0x600C + (12 * 0) + 11)
#define N_C1 (0x600C + (12 * 1) + 0 )
#define N_C1S (0x600C + (12 * 1) + 1 )
#define N_D1F (0x600C + (12 * 1) + 1 )
#define N_D1 (0x600C + (12 * 1) + 2 )
#define N_D1S (0x600C + (12 * 1) + 3 )
#define N_E1F (0x600C + (12 * 1) + 3 )
#define N_E1 (0x600C + (12 * 1) + 4 )
#define N_F1 (0x600C + (12 * 1) + 5 )
#define N_F1S (0x600C + (12 * 1) + 6 )
#define N_G1F (0x600C + (12 * 1) + 6 )
#define N_G1 (0x600C + (12 * 1) + 7 )
#define N_G1S (0x600C + (12 * 1) + 8 )
#define N_A1F (0x600C + (12 * 1) + 8 )
#define N_A1 (0x600C + (12 * 1) + 9 )
#define N_A1S (0x600C + (12 * 1) + 10)
#define N_B1F (0x600C + (12 * 1) + 10)
#define N_B1 (0x600C + (12 * 1) + 11)
#define N_C2 (0x600C + (12 * 2) + 0 )
#define N_C2S (0x600C + (12 * 2) + 1 )
#define N_D2F (0x600C + (12 * 2) + 1 )
#define N_D2 (0x600C + (12 * 2) + 2 )
#define N_D2S (0x600C + (12 * 2) + 3 )
#define N_E2F (0x600C + (12 * 2) + 3 )
#define N_E2 (0x600C + (12 * 2) + 4 )
#define N_F2 (0x600C + (12 * 2) + 5 )
#define N_F2S (0x600C + (12 * 2) + 6 )
#define N_G2F (0x600C + (12 * 2) + 6 )
#define N_G2 (0x600C + (12 * 2) + 7 )
#define N_G2S (0x600C + (12 * 2) + 8 )
#define N_A2F (0x600C + (12 * 2) + 8 )
#define N_A2 (0x600C + (12 * 2) + 9 )
#define N_A2S (0x600C + (12 * 2) + 10)
#define N_B2F (0x600C + (12 * 2) + 10)
#define N_B2 (0x600C + (12 * 2) + 11)
#define N_C3 (0x600C + (12 * 3) + 0 )
#define N_C3S (0x600C + (12 * 3) + 1 )
#define N_D3F (0x600C + (12 * 3) + 1 )
#define N_D3 (0x600C + (12 * 3) + 2 )
#define N_D3S (0x600C + (12 * 3) + 3 )
#define N_E3F (0x600C + (12 * 3) + 3 )
#define N_E3 (0x600C + (12 * 3) + 4 )
#define N_F3 (0x600C + (12 * 3) + 5 )
#define N_F3S (0x600C + (12 * 3) + 6 )
#define N_G3F (0x600C + (12 * 3) + 6 )
#define N_G3 (0x600C + (12 * 3) + 7 )
#define N_G3S (0x600C + (12 * 3) + 8 )
#define N_A3F (0x600C + (12 * 3) + 8 )
#define N_A3 (0x600C + (12 * 3) + 9 )
#define N_A3S (0x600C + (12 * 3) + 10)
#define N_B3F (0x600C + (12 * 3) + 10)
#define N_B3 (0x600C + (12 * 3) + 11)
#define N_C4 (0x600C + (12 * 4) + 0 )
#define N_C4S (0x600C + (12 * 4) + 1 )
#define N_D4F (0x600C + (12 * 4) + 1 )
#define N_D4 (0x600C + (12 * 4) + 2 )
#define N_D4S (0x600C + (12 * 4) + 3 )
#define N_E4F (0x600C + (12 * 4) + 3 )
#define N_E4 (0x600C + (12 * 4) + 4 )
#define N_F4 (0x600C + (12 * 4) + 5 )
#define N_F4S (0x600C + (12 * 4) + 6 )
#define N_G4F (0x600C + (12 * 4) + 6 )
#define N_G4 (0x600C + (12 * 4) + 7 )
#define N_G4S (0x600C + (12 * 4) + 8 )
#define N_A4F (0x600C + (12 * 4) + 8 )
#define N_A4 (0x600C + (12 * 4) + 9 )
#define N_A4S (0x600C + (12 * 4) + 10)
#define N_B4F (0x600C + (12 * 4) + 10)
#define N_B4 (0x600C + (12 * 4) + 11)
#define N_C5 (0x600C + (12 * 5) + 0 )
#define N_C5S (0x600C + (12 * 5) + 1 )
#define N_D5F (0x600C + (12 * 5) + 1 )
#define N_D5 (0x600C + (12 * 5) + 2 )
#define N_D5S (0x600C + (12 * 5) + 3 )
#define N_E5F (0x600C + (12 * 5) + 3 )
#define N_E5 (0x600C + (12 * 5) + 4 )
#define N_F5 (0x600C + (12 * 5) + 5 )
#define N_F5S (0x600C + (12 * 5) + 6 )
#define N_G5F (0x600C + (12 * 5) + 6 )
#define N_G5 (0x600C + (12 * 5) + 7 )
#define N_G5S (0x600C + (12 * 5) + 8 )
#define N_A5F (0x600C + (12 * 5) + 8 )
#define N_A5 (0x600C + (12 * 5) + 9 )
#define N_A5S (0x600C + (12 * 5) + 10)
#define N_B5F (0x600C + (12 * 5) + 10)
#define N_B5 (0x600C + (12 * 5) + 11)
#define N_C6 (0x600C + (12 * 6) + 0 )
#define N_C6S (0x600C + (12 * 6) + 1 )
#define N_D6F (0x600C + (12 * 6) + 1 )
#define N_D6 (0x600C + (12 * 6) + 2 )
#define N_D6S (0x600C + (12 * 6) + 3 )
#define N_E6F (0x600C + (12 * 6) + 3 )
#define N_E6 (0x600C + (12 * 6) + 4 )
#define N_F6 (0x600C + (12 * 6) + 5 )
#define N_F6S (0x600C + (12 * 6) + 6 )
#define N_G6F (0x600C + (12 * 6) + 6 )
#define N_G6 (0x600C + (12 * 6) + 7 )
#define N_G6S (0x600C + (12 * 6) + 8 )
#define N_A6F (0x600C + (12 * 6) + 8 )
#define N_A6 (0x600C + (12 * 6) + 9 )
#define N_A6S (0x600C + (12 * 6) + 10)
#define N_B6F (0x600C + (12 * 6) + 10)
#define N_B6 (0x600C + (12 * 6) + 11)
#define N_C7 (0x600C + (12 * 7) + 0 )
#define N_C7S (0x600C + (12 * 7) + 1 )
#define N_D7F (0x600C + (12 * 7) + 1 )
#define N_D7 (0x600C + (12 * 7) + 2 )
#define N_D7S (0x600C + (12 * 7) + 3 )
#define N_E7F (0x600C + (12 * 7) + 3 )
#define N_E7 (0x600C + (12 * 7) + 4 )
#define N_F7 (0x600C + (12 * 7) + 5 )
#define N_F7S (0x600C + (12 * 7) + 6 )
#define N_G7F (0x600C + (12 * 7) + 6 )
#define N_G7 (0x600C + (12 * 7) + 7 )
#define N_G7S (0x600C + (12 * 7) + 8 )
#define N_A7F (0x600C + (12 * 7) + 8 )
#define N_A7 (0x600C + (12 * 7) + 9 )
#define N_A7S (0x600C + (12 * 7) + 10)
#define N_B7F (0x600C + (12 * 7) + 10)
#define N_B7 (0x600C + (12 * 7) + 11)
#define N_C8 (0x600C + (12 * 8) + 0 )
#define N_C8S (0x600C + (12 * 8) + 1 )
#define N_D8F (0x600C + (12 * 8) + 1 )
#define N_D8 (0x600C + (12 * 8) + 2 )
#define N_D8S (0x600C + (12 * 8) + 3 )
#define N_E8F (0x600C + (12 * 8) + 3 )
#define N_E8 (0x600C + (12 * 8) + 4 )
#define N_F8 (0x600C + (12 * 8) + 5 )
#define N_F8S (0x600C + (12 * 8) + 6 )
#define N_G8F (0x600C + (12 * 8) + 6 )
#define N_G8 (0x600C + (12 * 8) + 7 )
#define N_G8S (0x600C + (12 * 8) + 8 )
#define N_A8F (0x600C + (12 * 8) + 8 )
#define N_A8 (0x600C + (12 * 8) + 9 )
#define N_A8S (0x600C + (12 * 8) + 10)
#define N_B8F (0x600C + (12 * 8) + 10)
#define N_B8 (0x600C + (12 * 8) + 11)
#define N_C8 (0x600C + (12 * 8) + 0 )
#define N_C8S (0x600C + (12 * 8) + 1 )
#define N_D8F (0x600C + (12 * 8) + 1 )
#define N_D8 (0x600C + (12 * 8) + 2 )
#define N_D8S (0x600C + (12 * 8) + 3 )
#define N_E8F (0x600C + (12 * 8) + 3 )
#define N_E8 (0x600C + (12 * 8) + 4 )
#define N_F8 (0x600C + (12 * 8) + 5 )
#define N_F8S (0x600C + (12 * 8) + 6 )
#define N_G8F (0x600C + (12 * 8) + 6 )
#define N_G8 (0x600C + (12 * 8) + 7 )
#define N_G8S (0x600C + (12 * 8) + 8 )
#define N_A8F (0x600C + (12 * 8) + 8 )
#define N_A8 (0x600C + (12 * 8) + 9 )
#define N_A8S (0x600C + (12 * 8) + 10)
#define N_B8F (0x600C + (12 * 8) + 10)
#define N_B8 (0x600C + (12 * 8) + 11)
#endif // MIDI_ENABLE
#endif

View file

@ -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;
@ -8,37 +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
}
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 == 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 == MU_ON && record->event.pressed) {
music_on();
return false;
@ -61,22 +75,10 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
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;
}
if (music_activated) {
if (keycode == KC_LCTL && record->event.pressed) { // Start recording
stop_all_notes();
music_all_notes_off();
music_sequence_recording = true;
music_sequence_recorded = false;
music_sequence_playing = false;
@ -85,7 +87,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
}
if (keycode == KC_LALT && record->event.pressed) { // Stop recording/playing
stop_all_notes();
music_all_notes_off();
if (music_sequence_recording) { // was recording
music_sequence_recorded = true;
}
@ -95,7 +97,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
}
if (keycode == KC_LGUI && record->event.pressed && music_sequence_recorded) { // Start playing
stop_all_notes();
music_all_notes_off();
music_sequence_recording = false;
music_sequence_playing = true;
music_sequence_position = 0;
@ -114,32 +116,34 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
music_sequence_interval+=10;
return false;
}
#define MUSIC_MODE_GUITAR
#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
if (record->event.pressed) {
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++;
}
} else {
stop_note(freq);
music_noteoff(note);
}
if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through
return false;
}
return true;
return true;
}
bool is_music_on(void) {
@ -161,26 +165,26 @@ void music_on(void) {
void music_off(void) {
music_activated = 0;
stop_all_notes();
music_all_notes_off();
}
__attribute__ ((weak))
void music_on_user() {}
__attribute__ ((weak))
void audio_on_user() {}
__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();
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);
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))

View file

@ -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);
@ -10,9 +12,9 @@ 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);
void music_all_notes_off(void);
void matrix_scan_music(void);
@ -24,4 +26,6 @@ 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