if (note)
stop_all_notes();
- notes = true;
notes_pointer = np;
- notes_length = n_length;
+ notes_count = n_count;
notes_repeat = n_repeat;
notes_rest = n_rest;
TCCR3A |= _BV(COM3A1);
#endif
+ note = true;
}
- }
+ }
+
+ void set_timbre(float timbre)
+ {
+ note_timbre = timbre;
+ }
+
+ void set_tempo(float tempo)
+ {
+ note_tempo = tempo;
+ }
+
+ void decrease_tempo(uint8_t tempo_change)
+ {
+ note_tempo += (float) tempo_change;
+ }
+
+ void increase_tempo(uint8_t tempo_change)
+ {
+ if (note_tempo - (float) tempo_change < 10)
+ {
+ note_tempo = 10;
+ }
+ else
+ {
+ note_tempo -= (float) tempo_change;
+ }
+ }
+
void stop_note(double freq);
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);
+ 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.