fixed startup audio with a 500ms delay
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					 6 changed files with 106 additions and 183 deletions
				
			
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			@ -364,7 +364,6 @@ void process_action_user(keyrecord_t *record) {
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void matrix_init_user(void) {
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  #ifdef AUDIO_ENABLE
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    init_notes();
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    PLAY_NOTE_ARRAY(tone_startup, false, 0);
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  #endif
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}
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			@ -133,7 +133,7 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
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BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
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MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
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EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
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CONSOLE_ENABLE = no        # Console for debug(+400)
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CONSOLE_ENABLE = on        # Console for debug(+400)
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COMMAND_ENABLE = yes        # Commands for debug and configuration
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NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
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BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
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			@ -3,6 +3,7 @@
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#include "eeconfig.h"
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#ifdef AUDIO_ENABLE
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  #include "audio.h"
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  #include "song_list.h"
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#endif
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// Each layer gets a name for readability, which is then used in the keymap matrix below.
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			@ -189,43 +190,10 @@ float start_up[][2] = {
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  {440.0*pow(2.0,(26)/12.0), 8}
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};
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float tone_qwerty[][2] = {
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  {440.0*pow(2.0,(23)/12.0), 8},
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  {440.0*pow(2.0,(24)/12.0), 8},
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  {0, 4},
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  {440.0*pow(2.0,(31)/12.0), 16}
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};
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float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
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float tone_dvorak[][2]     = SONG(DVORAK_SOUND);
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float tone_colemak[][2]    = SONG(COLEMAK_SOUND);
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float tone_colemak[][2] = {
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  {440.0*pow(2.0,(23)/12.0), 8},
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  {440.0*pow(2.0,(24)/12.0), 8},
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  {0, 4},
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  {440.0*pow(2.0,(31)/12.0), 12},
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  {0, 4},
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  {440.0*pow(2.0,(35)/12.0), 12}
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};
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float tone_dvorak[][2] = {
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  {440.0*pow(2.0,(23)/12.0), 8},
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  {440.0*pow(2.0,(24)/12.0), 8},
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  {0, 4},
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  {440.0*pow(2.0,(31)/12.0), 8},
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  {0, 4},
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  {440.0*pow(2.0,(33)/12.0), 8},
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  {0, 4},
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  {440.0*pow(2.0,(31)/12.0), 8}
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};
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float tone_music[][2] = {
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  {440.0*pow(2.0,(12)/12.0), 8},
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  {440.0*pow(2.0,(14)/12.0), 8},
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  {440.0*pow(2.0,(16)/12.0), 8},
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  {440.0*pow(2.0,(17)/12.0), 8},
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  {440.0*pow(2.0,(19)/12.0), 8},
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  {440.0*pow(2.0,(21)/12.0), 8},
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  {440.0*pow(2.0,(23)/12.0), 8},
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  {440.0*pow(2.0,(24)/12.0), 8}
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};
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float music_scale[][2] = SONG(MUSIC_SCALE_SOUND);
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float goodbye[][2] = SONG(GOODBYE_SOUND);
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#endif
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			@ -341,12 +309,13 @@ void process_action_user(keyrecord_t *record) {
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}
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void matrix_init_user(void) {
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  // audio_init();
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  play_startup_tone();
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}
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void play_startup_tone()
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{
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  PLAY_NOTE_ARRAY(start_up, false, 0);
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  PLAY_NOTE_ARRAY(music_scale, false, 0);
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}
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void play_goodbye_tone()
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		|||
							
								
								
									
										130
									
								
								quantum/audio.c
									
										
									
									
									
								
							
							
						
						
									
										130
									
								
								quantum/audio.c
									
										
									
									
									
								
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			@ -10,20 +10,23 @@
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#include "eeconfig.h"
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#include "vibrato_lut.h"
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#ifdef VIBRATO_ENABLE
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    #include "vibrato_lut.h"
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#endif
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#define PI 3.14159265
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#define CPU_PRESCALER 8
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// Largely untested PWM audio mode (doesn't sound as good)
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// #define PWM_AUDIO
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#ifdef PWM_AUDIO
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    #include "wave.h"
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    #define SAMPLE_DIVIDER 39
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    #define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/2048)
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    // Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap
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    float places[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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    uint16_t place_int = 0;
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    bool repeat = true;
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#endif
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void delay_us(int count) {
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			@ -34,25 +37,21 @@ void delay_us(int count) {
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int voices = 0;
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int voice_place = 0;
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double frequency = 0;
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float frequency = 0;
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int volume = 0;
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long position = 0;
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double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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float frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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bool sliding = false;
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int max = 0xFF;
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float sum = 0;
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int value = 128;
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float place = 0;
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float places[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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uint16_t place_int = 0;
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bool repeat = true;
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uint8_t * sample;
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uint16_t sample_length = 0;
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double freq = 0;
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// float freq = 0;
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bool notes = false;
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bool note = false;
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			@ -62,7 +61,7 @@ float note_tempo = TEMPO_DEFAULT;
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float note_timbre = TIMBRE_DEFAULT;
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uint16_t note_position = 0;
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float (* notes_pointer)[][2];
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uint8_t notes_count;
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uint16_t notes_count;
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bool notes_repeat;
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float notes_rest;
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bool note_resting = false;
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			@ -70,9 +69,11 @@ bool note_resting = false;
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uint8_t current_note = 0;
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uint8_t rest_counter = 0;
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#ifdef VIBRATO_ENABLE
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float vibrato_counter = 0;
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float vibrato_strength = .5;
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float vibrato_rate = 0.125;
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#endif
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float polyphony_rate = 0;
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			@ -96,6 +97,7 @@ void audio_off(void) {
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    eeconfig_write_audio(audio_config.raw);
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}
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#ifdef VIBRATO_ENABLE
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// Vibrato rate functions
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void set_vibrato_rate(float rate) {
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			@ -126,6 +128,8 @@ void decrease_vibrato_strength(float change) {
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#endif
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#endif
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// Polyphony functions
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void set_polyphony_rate(float rate) {
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			@ -209,6 +213,7 @@ void audio_init() {
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    #endif
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    inited = true;
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    _delay_ms(500);
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}
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void stop_all_notes() {
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			@ -233,7 +238,7 @@ void stop_all_notes() {
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    }
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}
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void stop_note(double freq) {
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void stop_note(float freq) {
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    if (note) {
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        if (!inited) {
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            audio_init();
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			@ -274,6 +279,8 @@ void stop_note(double freq) {
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    }
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}
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#ifdef VIBRATO_ENABLE
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float mod(float a, int b)
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{
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    float r = fmod(a, b);
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			@ -290,6 +297,8 @@ float vibrato(float average_freq) {
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    return vibrated_freq;
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}
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#endif
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ISR(TIMER3_COMPA_vect) {
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    if (note) {
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        #ifdef PWM_AUDIO
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			@ -341,6 +350,7 @@ ISR(TIMER3_COMPA_vect) {
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            }
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        #else
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            if (voices > 0) {
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                float freq;
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                if (polyphony_rate > 0) {                
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                    if (voices > 1) {
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                        voice_place %= voices;
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			@ -349,9 +359,13 @@ ISR(TIMER3_COMPA_vect) {
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                            place = 0.0;
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                        }
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                    }
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                    #ifdef VIBRATO_ENABLE
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                    if (vibrato_strength > 0) {
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                        freq = vibrato(frequencies[voice_place]);
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                    } else {
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                    #else
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                    {
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                    #endif
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                        freq = frequencies[voice_place];
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                    } 
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                } else {
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			@ -363,9 +377,14 @@ ISR(TIMER3_COMPA_vect) {
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                        frequency = frequencies[voices - 1];
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                    }
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                    #ifdef VIBRATO_ENABLE
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                    if (vibrato_strength > 0) {
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                        freq = vibrato(frequency);
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                    } else {
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                    #else
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                    {
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                    #endif
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                        freq = frequency;
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                    } 
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                }
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			@ -398,9 +417,13 @@ ISR(TIMER3_COMPA_vect) {
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            if (note_frequency > 0) {
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                float freq;
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                #ifdef VIBRATO_ENABLE
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                if (vibrato_strength > 0) {
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                    freq = vibrato(note_frequency);
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                } else {
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                #else
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                {
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                #endif
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                    freq = note_frequency;
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                }
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			@ -461,13 +484,45 @@ ISR(TIMER3_COMPA_vect) {
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    }
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}
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void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest) {
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void play_note(float freq, int vol) {
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if (audio_config.enable) {
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    TIMSK3 &= ~_BV(OCIE3A);
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    if (!inited) {
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        audio_init();
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    }
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if (audio_config.enable && voices < 8) {
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    TIMSK3 &= ~_BV(OCIE3A);
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    // Cancel notes if notes are playing
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    if (notes)
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        stop_all_notes();
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    note = true;
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    #ifdef PWM_AUDIO
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        freq = freq / SAMPLE_RATE;
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    #endif
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    if (freq > 0) {
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        frequencies[voices] = freq;
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        volumes[voices] = vol;
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        voices++;
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    }
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    #ifdef PWM_AUDIO
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        TIMSK3 |= _BV(OCIE3A);
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    #else
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        TIMSK3 |= _BV(OCIE3A);
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        TCCR3A |= _BV(COM3A1);
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    #endif
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}
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}
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void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest) {
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    if (!inited) {
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        audio_init();
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    }
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if (audio_config.enable) {
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    TIMSK3 &= ~_BV(OCIE3A);
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	// Cancel note if a note is playing
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    if (note)
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        stop_all_notes();
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			@ -500,57 +555,24 @@ if (audio_config.enable) {
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}
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#ifdef PWM_AUDIO
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void play_sample(uint8_t * s, uint16_t l, bool r) {
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if (audio_config.enable) {
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    TIMSK3 &= ~_BV(OCIE3A);
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    if (!inited) {
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        audio_init();
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    }
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    if (audio_config.enable) {
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        TIMSK3 &= ~_BV(OCIE3A);
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        stop_all_notes();
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        place_int = 0;
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        sample = s;
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        sample_length = l;
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        repeat = r;
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    #ifdef PWM_AUDIO
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        TIMSK3 |= _BV(OCIE3A);
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    #else
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    #endif
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}
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}
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void play_note(double freq, int vol) {
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if (audio_config.enable && voices < 8) {
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    TIMSK3 &= ~_BV(OCIE3A);
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    if (!inited) {
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        audio_init();
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    }
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    // Cancel notes if notes are playing
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    if (notes)
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        stop_all_notes();
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    note = true;
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    #ifdef PWM_AUDIO
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        freq = freq / SAMPLE_RATE;
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    #endif
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    if (freq > 0) {
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        frequencies[voices] = freq;
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        volumes[voices] = vol;
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        voices++;
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    }
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    #ifdef PWM_AUDIO
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        TIMSK3 |= _BV(OCIE3A);
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    #else
 | 
			
		||||
        TIMSK3 |= _BV(OCIE3A);
 | 
			
		||||
        TCCR3A |= _BV(COM3A1);
 | 
			
		||||
    #endif
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
}
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
//------------------------------------------------------------------------------
 | 
			
		||||
// Override these functions in your keymap file to play different tunes on
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -8,6 +8,11 @@
 | 
			
		|||
#ifndef AUDIO_H
 | 
			
		||||
#define AUDIO_H
 | 
			
		||||
 | 
			
		||||
// Largely untested PWM audio mode (doesn't sound as good)
 | 
			
		||||
// #define PWM_AUDIO
 | 
			
		||||
 | 
			
		||||
// #define VIBRATO_ENABLE
 | 
			
		||||
 | 
			
		||||
// Enable vibrato strength/amplitude - slows down ISR too much
 | 
			
		||||
// #define VIBRATO_STRENGTH_ENABLE
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -25,6 +30,8 @@ void audio_off(void);
 | 
			
		|||
 | 
			
		||||
// Vibrato rate functions
 | 
			
		||||
 | 
			
		||||
#ifdef VIBRATO_ENABLE
 | 
			
		||||
 | 
			
		||||
void set_vibrato_rate(float rate);
 | 
			
		||||
void increase_vibrato_rate(float change);
 | 
			
		||||
void decrease_vibrato_rate(float change);
 | 
			
		||||
| 
						 | 
				
			
			@ -37,6 +44,8 @@ void decrease_vibrato_strength(float change);
 | 
			
		|||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
#endif
 | 
			
		||||
 | 
			
		||||
// Polyphony functions
 | 
			
		||||
 | 
			
		||||
void set_polyphony_rate(float rate);
 | 
			
		||||
| 
						 | 
				
			
			@ -51,11 +60,15 @@ void set_tempo(float tempo);
 | 
			
		|||
void increase_tempo(uint8_t tempo_change);
 | 
			
		||||
void decrease_tempo(uint8_t tempo_change);
 | 
			
		||||
 | 
			
		||||
void audio_init();
 | 
			
		||||
 | 
			
		||||
#ifdef PWM_AUDIO
 | 
			
		||||
void play_sample(uint8_t * s, uint16_t l, bool r);
 | 
			
		||||
void play_note(double freq, int vol);
 | 
			
		||||
void stop_note(double freq);
 | 
			
		||||
#endif
 | 
			
		||||
void play_note(float freq, int vol);
 | 
			
		||||
void stop_note(float freq);
 | 
			
		||||
void stop_all_notes(void);
 | 
			
		||||
void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest);
 | 
			
		||||
void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest);
 | 
			
		||||
 | 
			
		||||
#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), \
 | 
			
		||||
| 
						 | 
				
			
			@ -66,7 +79,7 @@ void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest);
 | 
			
		|||
// These macros are used to allow play_notes to play an array of indeterminate
 | 
			
		||||
// length. This works around the limitation of C's sizeof operation on pointers.
 | 
			
		||||
// The global float array for the song must be used here.
 | 
			
		||||
#define NOTE_ARRAY_SIZE(x) ((int)(sizeof(x) / (sizeof(x[0]))))
 | 
			
		||||
#define NOTE_ARRAY_SIZE(x) ((int16_t)(sizeof(x) / (sizeof(x[0]))))
 | 
			
		||||
#define PLAY_NOTE_ARRAY(note_array, note_repeat, note_rest_style) play_notes(¬e_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat), (note_rest_style));
 | 
			
		||||
 | 
			
		||||
void play_goodbye_tone(void);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -2,107 +2,27 @@
 | 
			
		|||
#include <avr/interrupt.h>
 | 
			
		||||
#include <avr/pgmspace.h>
 | 
			
		||||
 | 
			
		||||
#define VIBRATO_LUT_LENGTH 100
 | 
			
		||||
#define VIBRATO_LUT_LENGTH 20
 | 
			
		||||
 | 
			
		||||
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
 | 
			
		||||
};
 | 
			
		||||
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