diff options
Diffstat (limited to 'quantum/audio.h')
| -rw-r--r-- | quantum/audio.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/quantum/audio.h b/quantum/audio.h index 65a6f9434..e1bc23ffe 100644 --- a/quantum/audio.h +++ b/quantum/audio.h @@ -4,6 +4,9 @@ #include <util/delay.h> #include "musical_notes.h" +#ifndef AUDIO_H +#define AUDIO_H + typedef union { uint8_t raw; struct { @@ -19,6 +22,22 @@ 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 stop_all_notes(void); +void init_notes(void); void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest); + + +#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(¬e_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat), (note_rest_style)); + + +#endif
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