51 lines
777 B
C
51 lines
777 B
C
#ifndef _SEQUENCER_H_
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#define _SEQUENCER_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "psg.h"
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typedef enum {
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e_L_EndMark = 0,
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e_L_1 = 320,
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e_L_1_2 = 160,
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e_L_1_4 = 80,
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e_L_1_8 = 40,
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e_L_1_16 = 20,
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e_L_1_32 = 10,
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} t_noteLength;
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typedef struct {
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t_octave octave;
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t_note note;
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t_noteLength length;
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bool legato;
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bool staccato;
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} t_tone;
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typedef enum {
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e_Init,
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e_PlayTone,
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e_HoldTone,
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e_StaccatoBreak,
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e_HoldStaccatoBreak,
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e_SeparateTone
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} t_sequencerState;
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typedef struct {
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uint16_t idx;
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uint8_t lengthCnt;
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t_sequencerState state;
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uint8_t pace;
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uint8_t amplitude;
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uint8_t channel;
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const t_tone *tones;
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} t_melody;
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void sequencerInit();
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uint16_t sequencerPlayMelody(t_melody *melody);
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#endif // _SEQUENCER_H_
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