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-rw-r--r--quantum/audio.h45
1 files changed, 42 insertions, 3 deletions
diff --git a/quantum/audio.h b/quantum/audio.h
index 99203cea7a..44cafccd68 100644
--- a/quantum/audio.h
+++ b/quantum/audio.h
@@ -2,10 +2,49 @@
#include <stdbool.h>
#include <avr/io.h>
#include <util/delay.h>
+#include "musical_notes.h"
+#include "song_list.h"
+
+#ifndef AUDIO_H
+#define AUDIO_H
+
+typedef union {
+ uint8_t raw;
+ struct {
+ bool enable :1;
+ uint8_t level :7;
+ };
+} audio_config_t;
+
+void audio_toggle(void);
+void audio_on(void);
+void audio_off(void);
void play_sample(uint8_t * s, uint16_t l, bool r);
void play_note(double freq, int vol);
void stop_note(double freq);
-void stop_all_notes();
-void init_notes();
-void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat); \ No newline at end of file
+void stop_all_notes(void);
+void init_notes(void);
+void play_notes(float (*np)[][2], uint8_t n_count, bool n_repeat, float n_rest);
+
+void set_timbre(float timbre);
+void set_tempo(float tempo);
+void increase_tempo(uint8_t tempo_change);
+void decrease_tempo(uint8_t tempo_change);
+
+#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), \
+ 0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \
+ 0 + (12*3), 2 + (12*3), 4 + (12*3), 5 + (12*3), 7 + (12*3), 9 + (12*3), 11 + (12*3), \
+ 0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
+
+// 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 PLAY_NOTE_ARRAY(note_array, note_repeat, note_rest_style) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat), (note_rest_style));
+
+void play_goodbye_tone(void);
+void play_startup_tone(void);
+
+#endif \ No newline at end of file