From 06c64bbff3e228df542149acde64eadaf59b9b0f Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Mon, 19 Dec 2016 11:18:18 -0500
Subject: rgb clean-up, api clean-up

---
 quantum/audio/audio.c  | 15 ++++++++++-----
 quantum/audio/voices.c | 45 +++++++++++++++++++++++++++++++++++++++++++--
 quantum/audio/voices.h |  1 +
 3 files changed, 54 insertions(+), 7 deletions(-)

(limited to 'quantum/audio')

diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
index ead5fbf3e..2a315fd16 100644
--- a/quantum/audio/audio.c
+++ b/quantum/audio/audio.c
@@ -77,6 +77,7 @@ static bool audio_initialized = false;
 audio_config_t audio_config;
 
 uint16_t envelope_index = 0;
+bool glissando = true;
 
 void audio_init()
 {
@@ -205,13 +206,17 @@ ISR(TIMER3_COMPA_vect)
 					freq = frequencies[voice_place];
 				#endif
 			} else {
-				if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
-					frequency = frequency * pow(2, 440/frequency/12/2);
-				} else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
-					frequency = frequency * pow(2, -440/frequency/12/2);
+				if (glissando) {
+					if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
+						frequency = frequency * pow(2, 440/frequency/12/2);
+					} else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
+						frequency = frequency * pow(2, -440/frequency/12/2);
+					} else {
+						frequency = frequencies[voices - 1];
+					}
 				} else {
 					frequency = frequencies[voices - 1];
-				}
+				}				
 
 				#ifdef VIBRATO_ENABLE
 					if (vibrato_strength > 0) {
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index 19f7b646e..06ff275ba 100644
--- a/quantum/audio/voices.c
+++ b/quantum/audio/voices.c
@@ -6,6 +6,7 @@
 extern uint16_t envelope_index;
 extern float note_timbre;
 extern float polyphony_rate;
+extern bool glissando;
 
 voice_type voice = default_voice;
 
@@ -27,11 +28,13 @@ float voice_envelope(float frequency) {
 
     switch (voice) {
         case default_voice:
+            glissando = true;
             note_timbre = TIMBRE_50;
             polyphony_rate = 0;
 	        break;
 
         case something:
+            glissando = false;
             polyphony_rate = 0;
             switch (compensated_index) {
                 case 0 ... 9:
@@ -43,16 +46,51 @@ float voice_envelope(float frequency) {
                     break;
 
                 case 20 ... 200:
-                    note_timbre = .25 + .125 + pow(((float)compensated_index - 20) / (200 - 20), 2)*.125;
+                    note_timbre = .125 + .125;
                     break;
 
                 default:
-                    note_timbre = .25;
+                    note_timbre = .125;
                     break;
             }
             break;
 
+        case drums:
+            glissando = false;
+            polyphony_rate = 0;
+                note_timbre = 0;
+                switch (envelope_index) {
+                    case 0 ... 20:
+                        note_timbre = 0.5;
+                    default:
+                        frequency = (rand() % (int)(frequency * 1.2 - frequency)) + (frequency * 0.8);
+                        break;
+                }
+            // if (frequency < 80.0) {
+            //     switch (envelope_index % 4) {
+            //         case 0:
+            //             frequency = 348.0;
+            //         case 1:
+            //             frequency = 53.0;
+            //         case 2:
+            //             frequency = 128.0;
+            //         case 3:
+            //             frequency = 934.0;
+            //         default:
+            //             break;
+            //     }
+            // } else if (frequency < 160.0) {
+
+            // } else if (frequency < 320.0) {
+
+            // } else if (frequency < 640.0) {
+
+            // } else if (frequency < 1280.0) {
+
+            // }
+            break;
         case butts_fader:
+            glissando = true;
             polyphony_rate = 0;
             switch (compensated_index) {
                 case 0 ... 9:
@@ -100,6 +138,7 @@ float voice_envelope(float frequency) {
 
         case duty_osc:
             // This slows the loop down a substantial amount, so higher notes may freeze
+            glissando = true;
             polyphony_rate = 0;
             switch (compensated_index) {
                 default:
@@ -114,6 +153,7 @@ float voice_envelope(float frequency) {
 	        break;
 
         case duty_octave_down:
+            glissando = true;
             polyphony_rate = 0;
             note_timbre = (envelope_index % 2) * .125 + .375 * 2;
             if ((envelope_index % 4) == 0)
@@ -122,6 +162,7 @@ float voice_envelope(float frequency) {
                 note_timbre = 0;
             break;
         case delayed_vibrato:
+            glissando = true;
             polyphony_rate = 0;
             note_timbre = TIMBRE_50;
             #define VOICE_VIBRATO_DELAY 150
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
index b43def3d7..72f139e9c 100644
--- a/quantum/audio/voices.h
+++ b/quantum/audio/voices.h
@@ -12,6 +12,7 @@ float voice_envelope(float frequency);
 typedef enum {
     default_voice,
     something,
+    drums,
     butts_fader,
     octave_crunch,
     duty_osc,
-- 
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