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-rw-r--r--quantum/audio/audio.h6
-rw-r--r--quantum/audio/voices.c41
-rw-r--r--quantum/audio/voices.h4
3 files changed, 32 insertions, 19 deletions
diff --git a/quantum/audio/audio.h b/quantum/audio/audio.h
index d1ccfdb824..89769507e1 100644
--- a/quantum/audio/audio.h
+++ b/quantum/audio/audio.h
@@ -50,8 +50,8 @@ void decrease_vibrato_strength(float change);
// Polyphony functions
void set_polyphony_rate(float rate);
-void enable_polyphony();
-void disable_polyphony();
+void enable_polyphony(void);
+void disable_polyphony(void);
void increase_polyphony_rate(float change);
void decrease_polyphony_rate(float change);
@@ -61,7 +61,7 @@ void set_tempo(float tempo);
void increase_tempo(uint8_t tempo_change);
void decrease_tempo(uint8_t tempo_change);
-void audio_init();
+void audio_init(void);
#ifdef PWM_AUDIO
void play_sample(uint8_t * s, uint16_t l, bool r);
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index 8b3978f3d8..8861011871 100644
--- a/quantum/audio/voices.c
+++ b/quantum/audio/voices.c
@@ -1,4 +1,5 @@
#include "voices.h"
+#include "stdlib.h"
// these are imported from audio.c
extern uint16_t envelope_index;
@@ -27,26 +28,31 @@ float voice_envelope(float frequency) {
case default_voice:
note_timbre = TIMBRE_50;
polyphony_rate = 0;
- break;
+ break;
+
case butts_fader:
polyphony_rate = 0;
switch (compensated_index) {
case 0 ... 9:
frequency = frequency / 4;
note_timbre = TIMBRE_12;
- break;
+ break;
+
case 10 ... 19:
frequency = frequency / 2;
note_timbre = TIMBRE_12;
- break;
+ break;
+
case 20 ... 200:
note_timbre = .125 - pow(((float)compensated_index - 20) / (200 - 20), 2)*.125;
- break;
+ break;
+
default:
note_timbre = 0;
- break;
+ break;
}
- break;
+ break;
+
case octave_crunch:
polyphony_rate = 0;
switch (compensated_index) {
@@ -56,17 +62,20 @@ float voice_envelope(float frequency) {
frequency = frequency / 2;
note_timbre = TIMBRE_12;
break;
+
case 10 ... 19:
case 25 ... 29:
case 33 ... 35:
frequency = frequency * 2;
note_timbre = TIMBRE_12;
- break;
+ break;
+
default:
note_timbre = TIMBRE_12;
- break;
+ break;
}
- break;
+ break;
+
case duty_osc:
// This slows the loop down a substantial amount, so higher notes may freeze
polyphony_rate = 0;
@@ -78,9 +87,10 @@ float voice_envelope(float frequency) {
// note_timbre = (sin((float)compensated_index/10000*OCS_SPEED) * OCS_AMP / 2) + .5;
// triangle wave is a bit faster
note_timbre = (float)abs((compensated_index*OCS_SPEED % 3000) - 1500) * ( OCS_AMP / 1500 ) + (1 - OCS_AMP) / 2;
- break;
+ break;
}
- break;
+ break;
+
case duty_octave_down:
polyphony_rate = 0;
note_timbre = (envelope_index % 2) * .125 + .375 * 2;
@@ -88,18 +98,21 @@ float voice_envelope(float frequency) {
note_timbre = 0.5;
if ((envelope_index % 8) == 0)
note_timbre = 0;
- break;
+ break;
case duty_fifth_down:
note_timbre = 0.5;
if ((envelope_index % 5) == 0)
note_timbre = 0.75;
- break;
+ break;
case duty_fourth_down:
if ((envelope_index % 12) == 0)
note_timbre = 0.25;
else
note_timbre = 0.5;
- break;
+ break;
+
+ default:
+ break;
}
return frequency;
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
index 718671f77f..cdd14798b1 100644
--- a/quantum/audio/voices.h
+++ b/quantum/audio/voices.h
@@ -22,7 +22,7 @@ typedef enum {
} voice_type;
void set_voice(voice_type v);
-void voice_iterate();
-void voice_deiterate();
+void voice_iterate(void);
+void voice_deiterate(void);
#endif \ No newline at end of file