From 45f10b4c4b308226fa1568277654a13853a03ab4 Mon Sep 17 00:00:00 2001
From: IBNobody <ibnobody@gmail.com>
Date: Sat, 16 Apr 2016 22:10:18 -0500
Subject: Fixed how note arrays are used.

---
 quantum/audio.c         | 14 +++++++-------
 quantum/audio.h         | 17 +++++++++++++++--
 quantum/keymap_common.c |  4 ++--
 quantum/musical_notes.h |  7 ++++++-
 4 files changed, 30 insertions(+), 12 deletions(-)

(limited to 'quantum')

diff --git a/quantum/audio.c b/quantum/audio.c
index 40d09d62f..90f3c5a13 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -181,7 +181,7 @@ void init_notes() {
         DDRC |= _BV(PORTC6);
 
         TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
-        
+
         TCCR3A = 0x0; // Options not needed
         TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC
         OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback
@@ -202,14 +202,14 @@ ISR(TIMER3_COMPA_vect) {
             if (voices == 1) {
                 // SINE
                 OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 2;
-            
+
                 // SQUARE
                 // if (((int)place) >= 1024){
                 //     OCR4A = 0xFF >> 2;
                 // } else {
                 //     OCR4A = 0x00;
                 // }
-                
+
                 // SAWTOOTH
                 // OCR4A = (int)place / 4;
 
@@ -298,9 +298,9 @@ ISR(TIMER3_COMPA_vect) {
 
         note_position++;
         bool end_of_note = false;
-        if (ICR3 > 0) 
+        if (ICR3 > 0)
             end_of_note = (note_position >= (note_length / ICR3 * 0xFFFF));
-        else 
+        else
             end_of_note = (note_position >= (note_length * 0x7FF));
         if (end_of_note) {
             current_note++;
@@ -318,7 +318,7 @@ ISR(TIMER3_COMPA_vect) {
                     return;
                 }
             }
-            if (!note_resting && ((int)notes_rest != 0)) {
+            if (!note_resting && (notes_rest > 0)) {
                 note_resting = true;
                 note_frequency = 0;
                 note_length = notes_rest;
@@ -412,7 +412,7 @@ if (audio_config.enable && voices < 8) {
         if (frequency != 0) {
             double starting_f = frequency;
             if (frequency < freq) {
-                for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {   
+                for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
                     frequency = f;
                 }
             } else if (frequency > freq) {
diff --git a/quantum/audio.h b/quantum/audio.h
index 65a6f9434..762c98064 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 +22,16 @@ 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);
+
+
+// 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));
+
+
+#endif
\ No newline at end of file
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c
index 457f70a44..61a51aedb 100644
--- a/quantum/keymap_common.c
+++ b/quantum/keymap_common.c
@@ -189,7 +189,7 @@ static action_t keycode_to_action(uint16_t keycode)
         case RESET: ; // RESET is 0x5000, which is why this is here
             clear_keyboard();
             #ifdef AUDIO_ENABLE
-                play_notes(&goodbye, 3, false, 0);
+                PLAY_NOTE_ARRAY(goodbye, false, 0);
             #endif
             _delay_ms(250);
             #ifdef ATREUS_ASTAR
@@ -202,7 +202,7 @@ static action_t keycode_to_action(uint16_t keycode)
             debug_enable = true;
             break;
         case 0x5002 ... 0x50FF:
-            // MAGIC actions (BOOTMAGIC without the boot)   
+            // MAGIC actions (BOOTMAGIC without the boot)
             if (!eeconfig_is_enabled()) {
                 eeconfig_init();
             }
diff --git a/quantum/musical_notes.h b/quantum/musical_notes.h
index 79f04fd98..837f6a069 100644
--- a/quantum/musical_notes.h
+++ b/quantum/musical_notes.h
@@ -9,7 +9,7 @@
 #define WHOLE_NOTE(note)     {(NOTE##note), 64}
 #define HALF_NOTE(note)      {(NOTE##note), 32}
 #define QUARTER_NOTE(note)   {(NOTE##note), 16}
-#define EIGTH_NOTE(note)     {(NOTE##note), 8}
+#define EIGHTH_NOTE(note)    {(NOTE##note), 8}
 #define SIXTEENTH_NOTE(note) {(NOTE##note), 4}
 
 // Note Types Short
@@ -19,6 +19,11 @@
 #define E_NOTE(n) EIGTH_NOTE(n)
 #define S_NOTE(n) SIXTEENTH_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
 
 // Notes - # = Octave
 #define NOTE_REST         0.00
-- 
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