From 41cc35425ab32c9a9492006da8b667d01d32dfa6 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Sat, 16 Apr 2016 21:31:40 -0400
Subject: rests between notes as an argument

---
 quantum/audio.c         | 29 +++++++++++++++++++++--------
 quantum/audio.h         |  3 ++-
 quantum/keymap_common.c |  2 +-
 3 files changed, 24 insertions(+), 10 deletions(-)

(limited to 'quantum')

diff --git a/quantum/audio.c b/quantum/audio.c
index 470dc8e0c..40d09d62f 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -61,7 +61,11 @@ uint16_t note_position = 0;
 float (* notes_pointer)[][2];
 uint8_t notes_length;
 bool notes_repeat;
+float notes_rest;
+bool note_resting = false;
+
 uint8_t current_note = 0;
+uint8_t rest_counter = 0;
 
 audio_config_t audio_config;
 
@@ -314,13 +318,21 @@ ISR(TIMER3_COMPA_vect) {
                     return;
                 }
             }
-            #ifdef PWM_AUDIO
-                note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
-                note_length = (*notes_pointer)[current_note][1];
-            #else
-                note_frequency = (*notes_pointer)[current_note][0];
-                note_length = (*notes_pointer)[current_note][1] / 4;
-            #endif
+            if (!note_resting && ((int)notes_rest != 0)) {
+                note_resting = true;
+                note_frequency = 0;
+                note_length = notes_rest;
+                current_note--;
+            } else {
+                note_resting = false;
+                #ifdef PWM_AUDIO
+                    note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
+                    note_length = (*notes_pointer)[current_note][1];
+                #else
+                    note_frequency = (*notes_pointer)[current_note][0];
+                    note_length = (*notes_pointer)[current_note][1] / 4;
+                #endif
+            }
             note_position = 0;
         }
 
@@ -332,7 +344,7 @@ ISR(TIMER3_COMPA_vect) {
     }
 }
 
-void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat) {
+void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest) {
 
 if (audio_config.enable) {
 
@@ -343,6 +355,7 @@ if (audio_config.enable) {
     notes_pointer = np;
     notes_length = n_length;
     notes_repeat = n_repeat;
+    notes_rest = n_rest;
 
     place = 0;
     current_note = 0;
diff --git a/quantum/audio.h b/quantum/audio.h
index 58270015d..65a6f9434 100644
--- a/quantum/audio.h
+++ b/quantum/audio.h
@@ -2,6 +2,7 @@
 #include <stdbool.h>
 #include <avr/io.h>
 #include <util/delay.h>
+#include "musical_notes.h"
 
 typedef union {
     uint8_t raw;
@@ -20,4 +21,4 @@ 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);
+void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest);
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c
index 899437f44..457f70a44 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);
+                play_notes(&goodbye, 3, false, 0);
             #endif
             _delay_ms(250);
             #ifdef ATREUS_ASTAR
-- 
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