sequencer

sound-driver/sequencer.h

@@ -0,0 +1,33 @@
+#ifndef _SEQUENCER_H_
+#define _SEQUENCER_H_
+
+
+#include "psg.h"
+
+typedef enum {
+  e_L_EndMark = 0,
+  e_L_1 = 80,
+  e_L_1_2 = 40,
+  e_L_1_4 = 20,
+  e_L_1_8 = 10,
+  e_L_1_16 = 5
+} t_noteLength;
+
+typedef struct {
+  t_octave octave;
+  t_note note;
+  t_noteLength length;
+} t_tone;
+
+typedef struct {
+  uint16_t idx;
+  uint8_t lengthCnt;
+  uint8_t channel;
+  t_tone *tones;
+} t_melody;
+
+void sequencerInit();
+uint8_t sequencerPlayMelody(t_melody *melody);
+
+
+#endif // _SEQUENCER_H_