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Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware

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This commit is contained in:
Stephan Bösebeck 2016-04-19 23:07:11 +02:00
commit 6ff5e10592
18 changed files with 955 additions and 425 deletions
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245
quantum/audio.c
View file

@ -10,10 +10,13 @@
#include "eeconfig.h"
#include "vibrato_lut.h"
#define PI 3.14159265
#define CPU_PRESCALER 8
// Largely untested PWM audio mode (doesn't sound as good)
// #define PWM_AUDIO
#ifdef PWM_AUDIO
@ -34,8 +37,6 @@ int voice_place = 0;
double frequency = 0;
int volume = 0;
long position = 0;
int duty_place = 1;
int duty_counter = 0;
double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
@ -51,7 +52,7 @@ uint16_t place_int = 0;
bool repeat = true;
uint8_t * sample;
uint16_t sample_length = 0;
double freq = 0;
bool notes = false;
bool note = false;
@ -69,6 +70,12 @@ bool note_resting = false;
uint8_t current_note = 0;
uint8_t rest_counter = 0;
float vibrato_counter = 0;
float vibrato_strength = .5;
float vibrato_rate = 0.125;
float polyphony_rate = .5;
audio_config_t audio_config;
@ -87,6 +94,81 @@ void audio_off(void) {
eeconfig_write_audio(audio_config.raw);
}
// Vibrato rate functions
void set_vibrato_rate(float rate) {
vibrato_rate = rate;
}
void increase_vibrato_rate(float change) {
vibrato_rate *= change;
}
void decrease_vibrato_rate(float change) {
vibrato_rate /= change;
}
#ifdef VIBRATO_STRENGTH_ENABLE
void set_vibrato_strength(float strength) {
vibrato_strength = strength;
}
void increase_vibrato_strength(float change) {
vibrato_strength *= change;
}
void decrease_vibrato_strength(float change) {
vibrato_strength /= change;
}
#endif
// Polyphony functions
void set_polyphony_rate(float rate) {
polyphony_rate = rate;
}
void enable_polyphony() {
polyphony_rate = 5;
}
void disable_polyphony() {
polyphony_rate = 0;
}
void increase_polyphony_rate(float change) {
polyphony_rate *= change;
}
void decrease_polyphony_rate(float change) {
polyphony_rate /= change;
}
// Timbre function
void set_timbre(float timbre) {
note_timbre = timbre;
}
// Tempo functions
void set_tempo(float tempo) {
note_tempo = tempo;
}
void decrease_tempo(uint8_t tempo_change) {
note_tempo += (float) tempo_change;
}
void increase_tempo(uint8_t tempo_change) {
if (note_tempo - (float) tempo_change < 10) {
note_tempo = 10;
} else {
note_tempo -= (float) tempo_change;
}
}
void stop_all_notes() {
voices = 0;
@ -109,6 +191,7 @@ void stop_all_notes() {
void stop_note(double freq) {
if (note) {
cli();
#ifdef PWM_AUDIO
freq = freq / SAMPLE_RATE;
#endif
@ -122,11 +205,15 @@ void stop_note(double freq) {
volumes[j] = volumes[j+1];
volumes[j+1] = 0;
}
break;
}
}
voices--;
if (voices < 0)
voices = 0;
if (voice_place >= voices) {
voice_place = 0;
}
if (voices == 0) {
#ifdef PWM_AUDIO
TIMSK3 &= ~_BV(OCIE3A);
@ -137,26 +224,8 @@ void stop_note(double freq) {
frequency = 0;
volume = 0;
note = false;
} else {
double freq = frequencies[voices - 1];
int vol = volumes[voices - 1];
double starting_f = frequency;
if (frequency < freq) {
sliding = true;
for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
frequency = f;
}
sliding = false;
} else if (frequency > freq) {
sliding = true;
for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
frequency = f;
}
sliding = false;
}
frequency = freq;
volume = vol;
}
sei();
}
}
@ -197,6 +266,21 @@ void init_notes() {
#endif
}
float mod(float a, int b)
{
float r = fmod(a, b);
return r < 0 ? r + b : r;
}
float vibrato(float average_freq) {
#ifdef VIBRATO_STRENGTH_ENABLE
float vibrated_freq = average_freq * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
#else
float vibrated_freq = average_freq * VIBRATO_LUT[(int)vibrato_counter];
#endif
vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0/average_freq)), VIBRATO_LUT_LENGTH);
return vibrated_freq;
}
ISR(TIMER3_COMPA_vect) {
if (note) {
@ -248,23 +332,37 @@ ISR(TIMER3_COMPA_vect) {
OCR4A = sum;
}
#else
if (frequency > 0) {
// ICR3 = (int)(((double)F_CPU) / frequency); // Set max to the period
// OCR3A = (int)(((double)F_CPU) / frequency) >> 1; // Set compare to half the period
voice_place %= voices;
if (place > (frequencies[voice_place] / 50)) {
voice_place = (voice_place + 1) % voices;
place = 0.0;
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;
}
}
if (vibrato_strength > 0) {
freq = vibrato(frequencies[voice_place]);
} else {
freq = frequencies[voice_place];
}
} 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 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];
}
if (vibrato_strength > 0) {
freq = vibrato(frequency);
} else {
freq = frequency;
}
}
ICR3 = (int)(((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)); // Set max to the period
OCR3A = (int)((((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
//OCR3A = (int)(((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)) >> 1 * duty_place; // Set compare to half the period
place++;
// if (duty_counter > (frequencies[voice_place] / 500)) {
// duty_place = (duty_place % 3) + 1;
// duty_counter = 0;
// }
// duty_counter++;
ICR3 = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period
OCR3A = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
}
#endif
}
@ -290,8 +388,16 @@ ISR(TIMER3_COMPA_vect) {
place -= SINE_LENGTH;
#else
if (note_frequency > 0) {
ICR3 = (int)(((double)F_CPU) / (note_frequency * CPU_PRESCALER)); // Set max to the period
OCR3A = (int)((((double)F_CPU) / (note_frequency * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
float freq;
if (vibrato_strength > 0) {
freq = vibrato(note_frequency);
} else {
freq = note_frequency;
}
ICR3 = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period
OCR3A = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
} else {
ICR3 = 0;
OCR3A = 0;
@ -350,7 +456,8 @@ ISR(TIMER3_COMPA_vect) {
void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest) {
if (audio_config.enable) {
cli();
// Cancel note if a note is playing
if (note)
stop_all_notes();
notes = true;
@ -378,7 +485,7 @@ if (audio_config.enable) {
TIMSK3 |= _BV(OCIE3A);
TCCR3A |= _BV(COM3A1);
#endif
sei();
}
}
@ -405,7 +512,8 @@ if (audio_config.enable) {
void play_note(double freq, int vol) {
if (audio_config.enable && voices < 8) {
cli();
// Cancel notes if notes are playing
if (notes)
stop_all_notes();
note = true;
@ -413,23 +521,8 @@ if (audio_config.enable && voices < 8) {
freq = freq / SAMPLE_RATE;
#endif
if (freq > 0) {
if (frequency != 0) {
double starting_f = frequency;
if (frequency < freq) {
for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
frequency = f;
}
} else if (frequency > freq) {
for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
frequency = f;
}
}
}
frequency = freq;
volume = vol;
frequencies[voices] = frequency;
volumes[voices] = volume;
frequencies[voices] = freq;
volumes[voices] = vol;
voices++;
}
@ -439,35 +532,21 @@ if (audio_config.enable && voices < 8) {
TIMSK3 |= _BV(OCIE3A);
TCCR3A |= _BV(COM3A1);
#endif
sei();
}
}
void set_timbre(float timbre)
//------------------------------------------------------------------------------
// Override these functions in your keymap file to play different tunes on
// startup and bootloader jump
__attribute__ ((weak))
void play_startup_tone()
{
note_timbre = timbre;
}
void set_tempo(float tempo)
__attribute__ ((weak))
void play_goodbye_tone()
{
note_tempo = tempo;
}
void decrease_tempo(uint8_t tempo_change)
{
note_tempo += (float) tempo_change;
}
void increase_tempo(uint8_t tempo_change)
{
if (note_tempo - (float) tempo_change < 10)
{
note_tempo = 10;
}
else
{
note_tempo -= (float) tempo_change;
}
}
//------------------------------------------------------------------------------

38
quantum/audio.h
View file

@ -8,6 +8,9 @@
#ifndef AUDIO_H
#define AUDIO_H
// Enable vibrato strength/amplitude - slows down ISR too much
// #define VIBRATO_STRENGTH_ENABLE
typedef union {
uint8_t raw;
struct {
@ -20,6 +23,34 @@ void audio_toggle(void);
void audio_on(void);
void audio_off(void);
// Vibrato rate functions
void set_vibrato_rate(float rate);
void increase_vibrato_rate(float change);
void decrease_vibrato_rate(float change);
#ifdef VIBRATO_STRENGTH_ENABLE
void set_vibrato_strength(float strength);
void increase_vibrato_strength(float change);
void decrease_vibrato_strength(float change);
#endif
// Polyphony functions
void set_polyphony_rate(float rate);
void enable_polyphony();
void disable_polyphony();
void increase_polyphony_rate(float change);
void decrease_polyphony_rate(float change);
void set_timbre(float timbre);
void set_tempo(float tempo);
void increase_tempo(uint8_t tempo_change);
void decrease_tempo(uint8_t tempo_change);
void play_sample(uint8_t * s, uint16_t l, bool r);
void play_note(double freq, int vol);
void stop_note(double freq);
@ -27,11 +58,6 @@ void stop_all_notes(void);
void init_notes(void);
void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest);
void set_timbre(float timbre);
void set_tempo(float tempo);
void increase_tempo(uint8_t tempo_change);
void decrease_tempo(uint8_t tempo_change);
#define SCALE (int []){ 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), \
@ -44,5 +70,7 @@ void decrease_tempo(uint8_t tempo_change);
#define NOTE_ARRAY_SIZE(x) ((int)(sizeof(x) / (sizeof(x[0]))))
#define PLAY_NOTE_ARRAY(note_array, note_repeat, note_rest_style) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat), (note_rest_style));
void play_goodbye_tone(void);
void play_startup_tone(void);
#endif

15
quantum/keymap_common.c
View file

@ -34,12 +34,6 @@ extern keymap_config_t keymap_config;
#include <inttypes.h>
#ifdef AUDIO_ENABLE
#include "audio.h"
#ifndef TONE_GOODBYE
#define TONE_GOODBYE OLKB_GOODBYE
#endif /*! TONE_GOODBYE */
float tone_goodbye[][2] = SONG(TONE_GOODBYE);
#endif /* AUDIO_ENABLE */
static action_t keycode_to_action(uint16_t keycode);
@ -47,7 +41,7 @@ static action_t keycode_to_action(uint16_t keycode);
/* converts key to action */
action_t action_for_key(uint8_t layer, keypos_t key)
{
// 16bit keycodes - important
// 16bit keycodes - important
uint16_t keycode = keymap_key_to_keycode(layer, key);
switch (keycode) {
@ -190,7 +184,8 @@ static action_t keycode_to_action(uint16_t keycode)
case RESET: ; // RESET is 0x5000, which is why this is here
clear_keyboard();
#ifdef AUDIO_ENABLE
PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
stop_all_notes();
play_goodbye_tone();
#endif
_delay_ms(250);
#ifdef ATREUS_ASTAR
@ -303,7 +298,7 @@ static action_t keycode_to_action(uint16_t keycode)
/* translates key to keycode */
uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
{
// Read entire word (16bits)
// Read entire word (16bits)
return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
}
@ -315,7 +310,7 @@ action_t keymap_fn_to_action(uint16_t keycode)
action_t keymap_func_to_action(uint16_t keycode)
{
// For FUNC without 8bit limit
// For FUNC without 8bit limit
return (action_t){ .code = pgm_read_word(&fn_actions[(int)keycode]) };
}

5
quantum/musical_notes.h
View file

@ -51,7 +51,10 @@
// Notes - # = Octave
#define NOTE_REST 0.00
/* These notes are currently bugged
#define NOTE_C0 16.35
#define NOTE_CS0 17.32
#define NOTE_D0 18.35
@ -75,6 +78,8 @@
#define NOTE_GS1 51.91
#define NOTE_A1 55.00
#define NOTE_AS1 58.27
*/
#define NOTE_B1 61.74
#define NOTE_C2 65.41
#define NOTE_CS2 69.30

102
quantum/song_list.h
View file

@ -4,20 +4,98 @@
#define SONG_LIST_H
#define ODE_TO_JOY \
Q__NOTE(_E4), Q__NOTE(_E4), Q__NOTE(_F4), Q__NOTE(_G4), \
Q__NOTE(_G4), Q__NOTE(_F4), Q__NOTE(_E4), Q__NOTE(_D4), \
Q__NOTE(_C4), Q__NOTE(_C4), Q__NOTE(_D4), Q__NOTE(_E4), \
QD_NOTE(_E4), E__NOTE(_D4), H__NOTE(_D4),
Q__NOTE(_E4), Q__NOTE(_E4), Q__NOTE(_F4), Q__NOTE(_G4), \
Q__NOTE(_G4), Q__NOTE(_F4), Q__NOTE(_E4), Q__NOTE(_D4), \
Q__NOTE(_C4), Q__NOTE(_C4), Q__NOTE(_D4), Q__NOTE(_E4), \
QD_NOTE(_E4), E__NOTE(_D4), H__NOTE(_D4),
#define ROCK_A_BYE_BABY \
QD_NOTE(_B4), E__NOTE(_D4), Q__NOTE(_B5), \
H__NOTE(_A5), Q__NOTE(_G5), \
QD_NOTE(_B4), E__NOTE(_D5), Q__NOTE(_G5), \
H__NOTE(_FS5),
QD_NOTE(_B4), E__NOTE(_D4), Q__NOTE(_B5), \
H__NOTE(_A5), Q__NOTE(_G5), \
QD_NOTE(_B4), E__NOTE(_D5), Q__NOTE(_G5), \
H__NOTE(_FS5),
#define OLKB_GOODBYE \
E__NOTE(_E7), \
E__NOTE(_A6), \
ED_NOTE(_E6),
#define CLOSE_ENCOUNTERS_5_NOTE \
Q__NOTE(_D5), \
Q__NOTE(_E5), \
Q__NOTE(_C5), \
Q__NOTE(_C4), \
Q__NOTE(_G4),
#define DOE_A_DEER \
QD_NOTE(_C4), E__NOTE(_D4), \
QD_NOTE(_E4), E__NOTE(_C4), \
Q__NOTE(_E4), Q__NOTE(_C4), \
Q__NOTE(_E4),
#define GOODBYE_SOUND \
E__NOTE(_E7), \
E__NOTE(_A6), \
ED_NOTE(_E6),
#define STARTUP_SOUND \
ED_NOTE(_E7 ), \
E__NOTE(_CS7), \
E__NOTE(_E6 ), \
E__NOTE(_A6 ), \
M__NOTE(_CS7, 20),
#define QWERTY_SOUND \
E__NOTE(_GS6 ), \
E__NOTE(_A6 ), \
S__NOTE(_REST), \
Q__NOTE(_E7 ),
#define COLEMAK_SOUND \
E__NOTE(_GS6 ), \
E__NOTE(_A6 ), \
S__NOTE(_REST), \
ED_NOTE(_E7 ), \
S__NOTE(_REST), \
ED_NOTE(_GS7 ),
#define DVORAK_SOUND \
E__NOTE(_GS6 ), \
E__NOTE(_A6 ), \
S__NOTE(_REST), \
E__NOTE(_E7 ), \
S__NOTE(_REST), \
E__NOTE(_FS7 ), \
S__NOTE(_REST), \
E__NOTE(_E7 ),
#define MUSIC_SCALE_SOUND \
E__NOTE(_A5 ), \
E__NOTE(_B5 ), \
E__NOTE(_CS6), \
E__NOTE(_D6 ), \
E__NOTE(_E6 ), \
E__NOTE(_FS6), \
E__NOTE(_GS6), \
E__NOTE(_A6 ),
#define CAPS_LOCK_ON_SOUND \
E__NOTE(_A3), \
E__NOTE(_B3),
#define CAPS_LOCK_OFF_SOUND \
E__NOTE(_B3), \
E__NOTE(_A3),
#define SCROLL_LOCK_ON_SOUND \
E__NOTE(_D4), \
E__NOTE(_E4),
#define SCROLL_LOCK_OFF_SOUND \
E__NOTE(_E4), \
E__NOTE(_D4),
#define NUM_LOCK_ON_SOUND \
E__NOTE(_D5), \
E__NOTE(_E5),
#define NUM_LOCK_OFF_SOUND \
E__NOTE(_E5), \
E__NOTE(_D5),
#endif

108
quantum/vibrato_lut.h Normal file
View file

@ -0,0 +1,108 @@
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#define VIBRATO_LUT_LENGTH 100
const float VIBRATO_LUT[VIBRATO_LUT_LENGTH] = { \
1.00045346811453,
1.00090535101508,
1.00135386178926,
1.00179722447259,
1.00223368114872,
1.0026614990145,
1.00307897737994,
1.00348445457284,
1.00387631471807,
1.00425299436105,
1.00461298890553,
1.00495485883603,
1.00527723569589,
1.00557882779254,
1.00585842560279,
1.00611490685176,
1.00634724124066,
1.00655449479987,
1.00673583384565,
1.00689052852052,
1.00701795589922,
1.00711760264454,
1.0071890671992,
1.00723206150266,
1.0072464122237,
1.00723206150266,
1.0071890671992,
1.00711760264454,
1.00701795589922,
1.00689052852052,
1.00673583384565,
1.00655449479987,
1.00634724124066,
1.00611490685176,
1.00585842560279,
1.00557882779254,
1.00527723569589,
1.00495485883603,
1.00461298890553,
1.00425299436105,
1.00387631471807,
1.00348445457284,
1.00307897737994,
1.0026614990145,
1.00223368114872,
1.00179722447259,
1.00135386178926,
1.00090535101508,
1.00045346811453,
1,
0.999546737425598,
0.999095467903976,
0.998647968674285,
0.998205999748565,
0.99777129706302,
0.997345565759612,
0.996930473622346,
0.996527644691494,
0.996138653077835,
0.99576501699778,
0.995408193048995,
0.995069570744927,
0.994750467325326,
0.994452122858643,
0.994175695650927,
0.993922257974591,
0.99369279212925,
0.993488186845591,
0.993309234042139,
0.993156625943589,
0.993030952568311,
0.99293269959154,
0.992862246589715,
0.992819865670409,
0.992805720491269,
0.992819865670409,
0.992862246589715,
0.99293269959154,
0.993030952568311,
0.993156625943589,
0.993309234042139,
0.993488186845591,
0.99369279212925,
0.993922257974591,
0.994175695650927,
0.994452122858643,
0.994750467325326,
0.995069570744927,
0.995408193048995,
0.99576501699778,
0.996138653077835,
0.996527644691494,
0.996930473622346,
0.997345565759612,
0.99777129706302,
0.998205999748565,
0.998647968674285,
0.999095467903976,
0.999546737425598,
1
};