24 lines
550 B
C
24 lines
550 B
C
#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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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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void audio_toggle(void);
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void audio_on(void);
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void audio_off(void);
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void play_sample(uint8_t * s, uint16_t l, bool r);
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void play_note(double freq, int vol);
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void stop_note(double freq);
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void stop_all_notes();
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void init_notes();
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void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest);
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