From 0edfe55bfe4afd037918ff73e49552a28f39a5ca Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Mon, 12 Dec 2016 15:39:07 -0500
Subject: re-enable audio and extrakeys

---
 quantum/audio/voices.c | 23 ++++++++++++++++++++++-
 quantum/audio/voices.h |  1 +
 2 files changed, 23 insertions(+), 1 deletion(-)

(limited to 'quantum/audio')

diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index 6d4172a06c..19f7b646ef 100644
--- a/quantum/audio/voices.c
+++ b/quantum/audio/voices.c
@@ -18,7 +18,7 @@ void voice_iterate() {
 }
 
 void voice_deiterate() {
-    voice = (voice - 1) % number_of_voices;
+    voice = (voice - 1 + number_of_voices) % number_of_voices;
 }
 
 float voice_envelope(float frequency) {
@@ -31,6 +31,27 @@ float voice_envelope(float frequency) {
             polyphony_rate = 0;
 	        break;
 
+        case something:
+            polyphony_rate = 0;
+            switch (compensated_index) {
+                case 0 ... 9:
+                    note_timbre = TIMBRE_12;
+                    break;
+
+                case 10 ... 19:
+                    note_timbre = TIMBRE_25;
+                    break;
+
+                case 20 ... 200:
+                    note_timbre = .25 + .125 + pow(((float)compensated_index - 20) / (200 - 20), 2)*.125;
+                    break;
+
+                default:
+                    note_timbre = .25;
+                    break;
+            }
+            break;
+
         case butts_fader:
             polyphony_rate = 0;
             switch (compensated_index) {
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
index b2495b23b5..b43def3d7d 100644
--- a/quantum/audio/voices.h
+++ b/quantum/audio/voices.h
@@ -11,6 +11,7 @@ float voice_envelope(float frequency);
 
 typedef enum {
     default_voice,
+    something,
     butts_fader,
     octave_crunch,
     duty_osc,
-- 
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