summaryrefslogtreecommitdiffstats
path: root/quantum/audio
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/audio')
-rw-r--r--quantum/audio/audio.c334
-rw-r--r--quantum/audio/audio.h17
-rw-r--r--quantum/audio/audio_pwm.c15
-rw-r--r--quantum/audio/luts.c16
-rw-r--r--quantum/audio/luts.h18
-rw-r--r--quantum/audio/musical_notes.h18
-rw-r--r--quantum/audio/song_list.h42
-rw-r--r--quantum/audio/voices.c137
-rw-r--r--quantum/audio/voices.h21
-rw-r--r--quantum/audio/wave.h18
10 files changed, 474 insertions, 162 deletions
diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
index ead5fbf3e9..597073611a 100644
--- a/quantum/audio/audio.c
+++ b/quantum/audio/audio.c
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
#include <stdio.h>
#include <string.h>
//#include <math.h>
@@ -77,6 +92,7 @@ static bool audio_initialized = false;
audio_config_t audio_config;
uint16_t envelope_index = 0;
+bool glissando = true;
void audio_init()
{
@@ -88,15 +104,15 @@ void audio_init()
}
audio_config.raw = eeconfig_read_audio();
- // Set port PC6 (OC3A and /OC4A) as output
+ // Set port PC6 (OC3A and /OC4A) as output
DDRC |= _BV(PORTC6);
DISABLE_AUDIO_COUNTER_3_ISR;
- // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
- // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
- // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
- // Clock Select (CS3n) = 0b010 = Clock / 8
+ // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
+ // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
+ // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
+ // Clock Select (CS3n) = 0b010 = Clock / 8
TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
@@ -105,6 +121,8 @@ void audio_init()
void stop_all_notes()
{
+ dprintf("audio stop all notes");
+
if (!audio_initialized) {
audio_init();
}
@@ -127,6 +145,8 @@ void stop_all_notes()
void stop_note(float freq)
{
+ dprintf("audio stop note freq=%d", (int)freq);
+
if (playing_note) {
if (!audio_initialized) {
audio_init();
@@ -182,155 +202,161 @@ float vibrato(float average_freq) {
ISR(TIMER3_COMPA_vect)
{
- float freq;
-
- if (playing_note) {
- if (voices > 0) {
- if (polyphony_rate > 0) {
- if (voices > 1) {
- voice_place %= voices;
- if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
- voice_place = (voice_place + 1) % voices;
- place = 0.0;
- }
- }
-
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- freq = frequencies[voice_place];
- }
- #else
- 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);
- } else {
- frequency = frequencies[voices - 1];
- }
-
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- freq = frequency;
- }
- #else
- freq = frequency;
- #endif
- }
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
-
- freq = voice_envelope(freq);
-
- if (freq < 30.517578125) {
- freq = 30.52;
- }
-
- TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
- TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
- }
- }
-
- if (playing_notes) {
- if (note_frequency > 0) {
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(note_frequency);
- } else {
- freq = note_frequency;
- }
- #else
- freq = note_frequency;
- #endif
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
- freq = voice_envelope(freq);
-
- TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
- TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
- } else {
- TIMER_3_PERIOD = 0;
- TIMER_3_DUTY_CYCLE = 0;
- }
-
- note_position++;
- bool end_of_note = false;
- if (TIMER_3_PERIOD > 0) {
- end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
- } else {
- end_of_note = (note_position >= (note_length * 0x7FF));
- }
-
- if (end_of_note) {
- current_note++;
- if (current_note >= notes_count) {
- if (notes_repeat) {
- current_note = 0;
- } else {
- DISABLE_AUDIO_COUNTER_3_ISR;
- DISABLE_AUDIO_COUNTER_3_OUTPUT;
- playing_notes = false;
- return;
- }
- }
- if (!note_resting && (notes_rest > 0)) {
- note_resting = true;
- note_frequency = 0;
- note_length = notes_rest;
- current_note--;
- } else {
- note_resting = false;
- envelope_index = 0;
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
- }
-
- note_position = 0;
- }
- }
-
- if (!audio_config.enable) {
- playing_notes = false;
- playing_note = false;
- }
+ float freq;
+
+ if (playing_note) {
+ if (voices > 0) {
+ if (polyphony_rate > 0) {
+ if (voices > 1) {
+ voice_place %= voices;
+ if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
+ voice_place = (voice_place + 1) % voices;
+ place = 0.0;
+ }
+ }
+
+ #ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequencies[voice_place]);
+ } else {
+ freq = frequencies[voice_place];
+ }
+ #else
+ freq = frequencies[voice_place];
+ #endif
+ } else {
+ 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) {
+ freq = vibrato(frequency);
+ } else {
+ freq = frequency;
+ }
+ #else
+ freq = frequency;
+ #endif
+ }
+
+ if (envelope_index < 65535) {
+ envelope_index++;
+ }
+
+ freq = voice_envelope(freq);
+
+ if (freq < 30.517578125) {
+ freq = 30.52;
+ }
+
+ TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+ TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
+ }
+ }
+
+ if (playing_notes) {
+ if (note_frequency > 0) {
+ #ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(note_frequency);
+ } else {
+ freq = note_frequency;
+ }
+ #else
+ freq = note_frequency;
+ #endif
+
+ if (envelope_index < 65535) {
+ envelope_index++;
+ }
+ freq = voice_envelope(freq);
+
+ TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+ TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
+ } else {
+ TIMER_3_PERIOD = 0;
+ TIMER_3_DUTY_CYCLE = 0;
+ }
+
+ note_position++;
+ bool end_of_note = false;
+ if (TIMER_3_PERIOD > 0) {
+ end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
+ } else {
+ end_of_note = (note_position >= (note_length * 0x7FF));
+ }
+
+ if (end_of_note) {
+ current_note++;
+ if (current_note >= notes_count) {
+ if (notes_repeat) {
+ current_note = 0;
+ } else {
+ DISABLE_AUDIO_COUNTER_3_ISR;
+ DISABLE_AUDIO_COUNTER_3_OUTPUT;
+ playing_notes = false;
+ return;
+ }
+ }
+ if (!note_resting && (notes_rest > 0)) {
+ note_resting = true;
+ note_frequency = 0;
+ note_length = notes_rest;
+ current_note--;
+ } else {
+ note_resting = false;
+ envelope_index = 0;
+ note_frequency = (*notes_pointer)[current_note][0];
+ note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
+ }
+
+ note_position = 0;
+ }
+ }
+
+ if (!audio_config.enable) {
+ playing_notes = false;
+ playing_note = false;
+ }
}
void play_note(float freq, int vol) {
+ dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
+
if (!audio_initialized) {
audio_init();
}
- if (audio_config.enable && voices < 8) {
- DISABLE_AUDIO_COUNTER_3_ISR;
+ if (audio_config.enable && voices < 8) {
+ DISABLE_AUDIO_COUNTER_3_ISR;
- // Cancel notes if notes are playing
- if (playing_notes)
- stop_all_notes();
+ // Cancel notes if notes are playing
+ if (playing_notes)
+ stop_all_notes();
- playing_note = true;
+ playing_note = true;
- envelope_index = 0;
+ envelope_index = 0;
- if (freq > 0) {
- frequencies[voices] = freq;
- volumes[voices] = vol;
- voices++;
- }
+ if (freq > 0) {
+ frequencies[voices] = freq;
+ volumes[voices] = vol;
+ voices++;
+ }
ENABLE_AUDIO_COUNTER_3_ISR;
ENABLE_AUDIO_COUNTER_3_OUTPUT;
- }
+ }
}
@@ -341,37 +367,37 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
audio_init();
}
- if (audio_config.enable) {
+ if (audio_config.enable) {
- DISABLE_AUDIO_COUNTER_3_ISR;
+ DISABLE_AUDIO_COUNTER_3_ISR;
- // Cancel note if a note is playing
- if (playing_note)
- stop_all_notes();
+ // Cancel note if a note is playing
+ if (playing_note)
+ stop_all_notes();
- playing_notes = true;
+ playing_notes = true;
- notes_pointer = np;
- notes_count = n_count;
- notes_repeat = n_repeat;
- notes_rest = n_rest;
+ notes_pointer = np;
+ notes_count = n_count;
+ notes_repeat = n_repeat;
+ notes_rest = n_rest;
- place = 0;
- current_note = 0;
+ place = 0;
+ current_note = 0;
note_frequency = (*notes_pointer)[current_note][0];
note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
- note_position = 0;
+ note_position = 0;
ENABLE_AUDIO_COUNTER_3_ISR;
ENABLE_AUDIO_COUNTER_3_OUTPUT;
- }
+ }
}
bool is_playing_notes(void) {
- return playing_notes;
+ return playing_notes;
}
bool is_audio_on(void) {
diff --git a/quantum/audio/audio.h b/quantum/audio/audio.h
index 47f326ea0a..27fdc2ab63 100644
--- a/quantum/audio/audio.h
+++ b/quantum/audio/audio.h
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
#ifndef AUDIO_H
#define AUDIO_H
@@ -88,4 +103,4 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
bool is_playing_notes(void);
-#endif \ No newline at end of file
+#endif
diff --git a/quantum/audio/audio_pwm.c b/quantum/audio/audio_pwm.c
index f820eec1be..ded86edeea 100644
--- a/quantum/audio/audio_pwm.c
+++ b/quantum/audio/audio_pwm.c
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
#include <stdio.h>
#include <string.h>
//#include <math.h>
diff --git a/quantum/audio/luts.c b/quantum/audio/luts.c
index 9f3de9a05c..57f2d5924c 100644
--- a/quantum/audio/luts.c
+++ b/quantum/audio/luts.c
@@ -1,3 +1,19 @@
+/* Copyright 2016 IBNobody
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
diff --git a/quantum/audio/luts.h b/quantum/audio/luts.h
index 7df3078a7f..155e34e88d 100644
--- a/quantum/audio/luts.h
+++ b/quantum/audio/luts.h
@@ -1,3 +1,19 @@
+/* Copyright 2016 IBNobody
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
@@ -12,4 +28,4 @@
extern const float vibrato_lut[VIBRATO_LUT_LENGTH];
extern const uint16_t frequency_lut[FREQUENCY_LUT_LENGTH];
-#endif /* LUTS_H */ \ No newline at end of file
+#endif /* LUTS_H */
diff --git a/quantum/audio/musical_notes.h b/quantum/audio/musical_notes.h
index b08d16a6fa..a3aaa2f199 100644
--- a/quantum/audio/musical_notes.h
+++ b/quantum/audio/musical_notes.h
@@ -1,3 +1,19 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#ifndef MUSICAL_NOTES_H
#define MUSICAL_NOTES_H
@@ -214,4 +230,4 @@
#define NOTE_BF8 NOTE_AS8
-#endif \ No newline at end of file
+#endif
diff --git a/quantum/audio/song_list.h b/quantum/audio/song_list.h
index 623f24f324..db2d1a94cd 100644
--- a/quantum/audio/song_list.h
+++ b/quantum/audio/song_list.h
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
#include "musical_notes.h"
#ifndef SONG_LIST_H
@@ -134,4 +149,31 @@
E__NOTE(_E6), \
S__NOTE(_B5),
+#define COIN_SOUND \
+ E__NOTE(_A5 ), \
+ HD_NOTE(_E6 ),
+
+#define ONE_UP_SOUND \
+ Q__NOTE(_E6 ), \
+ Q__NOTE(_G6 ), \
+ Q__NOTE(_E7 ), \
+ Q__NOTE(_C7 ), \
+ Q__NOTE(_D7 ), \
+ Q__NOTE(_G7 ),
+
+#define SONIC_RING \
+ E__NOTE(_E6), \
+ E__NOTE(_G6), \
+ HD_NOTE(_C7),
+
+#define ZELDA_PUZZLE \
+ Q__NOTE(_G5), \
+ Q__NOTE(_FS5), \
+ Q__NOTE(_DS5), \
+ Q__NOTE(_A4), \
+ Q__NOTE(_GS4), \
+ Q__NOTE(_E5), \
+ Q__NOTE(_GS5), \
+ HD_NOTE(_C6),
+
#endif
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index 6d4172a06c..54ebd423b1 100644
--- a/quantum/audio/voices.c
+++ b/quantum/audio/voices.c
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
#include "voices.h"
#include "audio.h"
#include "stdlib.h"
@@ -6,6 +21,7 @@
extern uint16_t envelope_index;
extern float note_timbre;
extern float polyphony_rate;
+extern bool glissando;
voice_type voice = default_voice;
@@ -18,20 +34,132 @@ 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) {
// envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz
+ __attribute__ ((unused))
uint16_t compensated_index = (uint16_t)((float)envelope_index * (880.0 / frequency));
switch (voice) {
case default_voice:
+ glissando = true;
note_timbre = TIMBRE_50;
polyphony_rate = 0;
break;
+ #ifdef AUDIO_VOICES
+
+ case something:
+ glissando = false;
+ 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 = .125 + .125;
+ break;
+
+ default:
+ note_timbre = .125;
+ break;
+ }
+ break;
+
+ case drums:
+ glissando = false;
+ polyphony_rate = 0;
+ // switch (compensated_index) {
+ // case 0 ... 10:
+ // note_timbre = 0.5;
+ // break;
+ // case 11 ... 20:
+ // note_timbre = 0.5 * (21 - compensated_index) / 10;
+ // break;
+ // default:
+ // note_timbre = 0;
+ // break;
+ // }
+ // frequency = (rand() % (int)(frequency * 1.2 - frequency)) + (frequency * 0.8);
+
+ if (frequency < 80.0) {
+
+ } else if (frequency < 160.0) {
+
+ // Bass drum: 60 - 100 Hz
+ frequency = (rand() % (int)(40)) + 60;
+ switch (envelope_index) {
+ case 0 ... 10:
+ note_timbre = 0.5;
+ break;
+ case 11 ... 20:
+ note_timbre = 0.5 * (21 - envelope_index) / 10;
+ break;
+ default:
+ note_timbre = 0;
+ break;
+ }
+
+ } else if (frequency < 320.0) {
+
+
+ // Snare drum: 1 - 2 KHz
+ frequency = (rand() % (int)(1000)) + 1000;
+ switch (envelope_index) {
+ case 0 ... 5:
+ note_timbre = 0.5;
+ break;
+ case 6 ... 20:
+ note_timbre = 0.5 * (21 - envelope_index) / 15;
+ break;
+ default:
+ note_timbre = 0;
+ break;
+ }
+
+ } else if (frequency < 640.0) {
+
+ // Closed Hi-hat: 3 - 5 KHz
+ frequency = (rand() % (int)(2000)) + 3000;
+ switch (envelope_index) {
+ case 0 ... 15:
+ note_timbre = 0.5;
+ break;
+ case 16 ... 20:
+ note_timbre = 0.5 * (21 - envelope_index) / 5;
+ break;
+ default:
+ note_timbre = 0;
+ break;
+ }
+
+ } else if (frequency < 1280.0) {
+
+ // Open Hi-hat: 3 - 5 KHz
+ frequency = (rand() % (int)(2000)) + 3000;
+ switch (envelope_index) {
+ case 0 ... 35:
+ note_timbre = 0.5;
+ break;
+ case 36 ... 50:
+ note_timbre = 0.5 * (51 - envelope_index) / 15;
+ break;
+ default:
+ note_timbre = 0;
+ break;
+ }
+
+ }
+ break;
case butts_fader:
+ glissando = true;
polyphony_rate = 0;
switch (compensated_index) {
case 0 ... 9:
@@ -79,6 +207,7 @@ 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:
@@ -93,6 +222,7 @@ 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)
@@ -101,6 +231,7 @@ 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
@@ -155,11 +286,11 @@ float voice_envelope(float frequency) {
// note_timbre = 0.25;
// break;
+ #endif
+
default:
break;
}
return frequency;
}
-
-
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
index b2495b23b5..9403a6b5e7 100644
--- a/quantum/audio/voices.h
+++ b/quantum/audio/voices.h
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
@@ -11,6 +26,9 @@ float voice_envelope(float frequency);
typedef enum {
default_voice,
+ #ifdef AUDIO_VOICES
+ something,
+ drums,
butts_fader,
octave_crunch,
duty_osc,
@@ -21,6 +39,7 @@ typedef enum {
// duty_fourth_down,
// duty_third_down,
// duty_fifth_third_down,
+ #endif
number_of_voices // important that this is last
} voice_type;
@@ -28,4 +47,4 @@ void set_voice(voice_type v);
void voice_iterate(void);
void voice_deiterate(void);
-#endif \ No newline at end of file
+#endif
diff --git a/quantum/audio/wave.h b/quantum/audio/wave.h
index 6ebc348519..f15615dd1b 100644
--- a/quantum/audio/wave.h
+++ b/quantum/audio/wave.h
@@ -1,3 +1,19 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
@@ -262,4 +278,4 @@ const uint8_t sinewave[] PROGMEM= //2048 values
0x76,0x77,0x77,0x77,0x78,0x78,0x78,0x79,
0x79,0x7a,0x7a,0x7a,0x7b,0x7b,0x7c,0x7c,
0x7c,0x7d,0x7d,0x7e,0x7e,0x7e,0x7f,0x7f
-}; \ No newline at end of file
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 11:09:55 +0000