use automatic rests with songs (no more rest styles)

quantum/audio/audio.c

@@ -99,7 +99,6 @@ uint16_t note_position = 0;
 float (* notes_pointer)[][2];
 uint16_t notes_count;
 bool     notes_repeat;
-float    notes_rest;
 bool     note_resting = false;
 
 uint8_t current_note = 0;
@@ -180,7 +179,7 @@ void audio_init()
     audio_initialized = true;
 
     if (audio_config.enable) {
-        PLAY_NOTE_ARRAY(startup_song, false, LEGATO);
+        PLAY_SONG(startup_song);
     }
 
 }
@@ -416,9 +415,12 @@ ISR(TIMER3_COMPA_vect)
         note_position++;
         bool end_of_note = false;
         if (TIMER_3_PERIOD > 0) {
-            end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
+            if (!note_resting) 
+                end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF - 1));
+            else
+                end_of_note = (note_position >= (note_length));
         } else {
-            end_of_note = (note_position >= (note_length * 0x7FF));
+            end_of_note = (note_position >= (note_length));
         }
 
         if (end_of_note) {
@@ -433,11 +435,16 @@ ISR(TIMER3_COMPA_vect)
                     return;
                 }
             }
-            if (!note_resting && (notes_rest > 0)) {
+            if (!note_resting) {
                 note_resting = true;
-                note_frequency = 0;
-                note_length = notes_rest;
                 current_note--;
+                if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
+                    note_frequency = 0;
+                    note_length = 1;
+                } else {
+                    note_frequency = (*notes_pointer)[current_note][0];
+                    note_length = 1;
+                }
             } else {
                 note_resting = false;
                 envelope_index = 0;
@@ -548,9 +555,9 @@ ISR(TIMER1_COMPA_vect)
         note_position++;
         bool end_of_note = false;
         if (TIMER_1_PERIOD > 0) {
-            end_of_note = (note_position >= (note_length / TIMER_1_PERIOD * 0xFFFF));
+            end_of_note = (note_position >= (note_length / TIMER_1_PERIOD * 0xFFFF - 1));
         } else {
-            end_of_note = (note_position >= (note_length * 0x7FF));
+            end_of_note = (note_position >= (note_length));
         }
 
         if (end_of_note) {
@@ -565,11 +572,16 @@ ISR(TIMER1_COMPA_vect)
                     return;
                 }
             }
-            if (!note_resting && (notes_rest > 0)) {
+            if (!note_resting) {
                 note_resting = true;
-                note_frequency = 0;
-                note_length = notes_rest;
                 current_note--;
+                if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
+                    note_frequency = 0;
+                    note_length = 1;
+                } else {
+                    note_frequency = (*notes_pointer)[current_note][0];
+                    note_length = 1;
+                }
             } else {
                 note_resting = false;
                 envelope_index = 0;
@@ -638,7 +650,7 @@ void play_note(float freq, int vol) {
 
 }
 
-void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
+void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat)
 {
 
     if (!audio_initialized) {
@@ -663,7 +675,6 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
         notes_pointer = np;
         notes_count = n_count;
         notes_repeat = n_repeat;
-        notes_rest = n_rest;
 
         place = 0;
         current_note = 0;

quantum/audio/audio.h

@@ -86,7 +86,7 @@ void play_sample(uint8_t * s, uint16_t l, bool r);
 void play_note(float freq, int vol);
 void stop_note(float freq);
 void stop_all_notes(void);
-void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest);
+void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat);
 
 #define SCALE (int8_t []){ 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), \
@@ -98,8 +98,10 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
 // 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) ((int16_t)(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));
-#define PLAY_SONG(song) PLAY_NOTE_ARRAY(song, false, STACCATO)
+#define PLAY_NOTE_ARRAY(note_array, note_repeat, deprecated_arg) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat)); \
+	_Pragma ("message \"'PLAY_NOTE_ARRAY' macro is deprecated\"")
+#define PLAY_SONG(note_array) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), false);
+#define PLAY_LOOP(note_array) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), true);
 
 bool is_playing_notes(void);
 

quantum/audio/musical_notes.h

@@ -51,12 +51,6 @@
 #define ED_NOTE(n)                     EIGHTH_DOT_NOTE(n)
 #define SD_NOTE(n)                     SIXTEENTH_DOT_NOTE(n)
 
-// Note Styles
-// Staccato makes sure there is a rest between each note. Think: TA TA TA
-// Legato makes notes flow together. Think: TAAA
-#define STACCATO 0.01
-#define LEGATO   0
-
 // Note Timbre
 // Changes how the notes sound
 #define TIMBRE_12       0.125
@@ -65,7 +59,6 @@
 #define TIMBRE_75       0.750
 #define TIMBRE_DEFAULT  TIMBRE_50
 
-
 // Notes - # = Octave
 
 #define NOTE_REST         0.00