215c2119af
* non-working commit * working * subprojects implemented for planck * pass a subproject variable through to c * consolidates clueboard revisions * thanks for letting me know about conflicts.. * turn off audio for yang's * corrects starting paths for subprojects * messing around with travis * semicolon * travis script * travis script * script for travis * correct directory (probably), amend files to commit * remove origin before adding * git pull, correct syntax * git checkout * git pull origin branch * where are we? * where are we? * merging * force things to happen * adds commit message, adds add * rebase, no commit message * rebase branch * idk! * try just pull * fetch - merge * specify repo branch * checkout * goddammit * merge? idk * pls * after all * don't split up keyboards * syntax * adds quick for all-keyboards * trying out new script * script update * lowercase * all keyboards * stop replacing compiled.hex automatically * adds if statement * skip automated build branches * forces push to automated build branch * throw an add in there * upstream? * adds AUTOGEN * ignore all .hex files again * testing out new repo * global ident * generate script, keyboard_keymap.hex * skip generation for now, print pandoc info, submodule update * try trusty * and sudo * try generate * updates subprojects to keyboards * no idea * updates to keyboards * cleans up clueboard stuff * setup to use local readme * updates cluepad, planck experimental * remove extra led.c [ci skip] * disable power up for now * config files updates * makefile updates * .h file updates, config tuning * disable audio for yang
91 lines
No EOL
2.6 KiB
C
91 lines
No EOL
2.6 KiB
C
#ifndef AUDIO_H
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#define AUDIO_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "musical_notes.h"
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#include "song_list.h"
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#include "voices.h"
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#include "quantum.h"
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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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// #define VIBRATO_ENABLE
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// Enable vibrato strength/amplitude - slows down ISR too much
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// #define VIBRATO_STRENGTH_ENABLE
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typedef union {
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uint8_t raw;
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struct {
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bool enable :1;
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uint8_t level :7;
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};
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} audio_config_t;
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bool is_audio_on(void);
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void audio_toggle(void);
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void audio_on(void);
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void audio_off(void);
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// Vibrato rate functions
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#ifdef VIBRATO_ENABLE
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void set_vibrato_rate(float rate);
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void increase_vibrato_rate(float change);
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void decrease_vibrato_rate(float change);
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#ifdef VIBRATO_STRENGTH_ENABLE
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void set_vibrato_strength(float strength);
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void increase_vibrato_strength(float change);
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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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void enable_polyphony(void);
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void disable_polyphony(void);
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void increase_polyphony_rate(float change);
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void decrease_polyphony_rate(float change);
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void set_timbre(float timbre);
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void set_tempo(uint8_t tempo);
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void increase_tempo(uint8_t tempo_change);
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void decrease_tempo(uint8_t tempo_change);
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void audio_init(void);
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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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#endif
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void play_note(float freq, int vol);
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void stop_note(float freq);
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void stop_all_notes(void);
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void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest);
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#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), \
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0 + (12*1), 2 + (12*1), 4 + (12*1), 5 + (12*1), 7 + (12*1), 9 + (12*1), 11 + (12*1), \
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0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \
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0 + (12*3), 2 + (12*3), 4 + (12*3), 5 + (12*3), 7 + (12*3), 9 + (12*3), 11 + (12*3), \
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0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
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// These macros are used to allow play_notes to play an array of indeterminate
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// length. This works around the limitation of C's sizeof operation on pointers.
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// The global float array for the song must be used here.
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#define NOTE_ARRAY_SIZE(x) ((int16_t)(sizeof(x) / (sizeof(x[0]))))
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#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));
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bool is_playing_notes(void);
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#endif |