From 73228f5e5d1d4cd31a46e5e93aa893a8f727e3b9 Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Thu, 21 Apr 2016 00:37:45 -0400 Subject: restructures audio, begins voicing --- quantum/audio/voices.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 quantum/audio/voices.c (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c new file mode 100644 index 0000000000..30e8be641e --- /dev/null +++ b/quantum/audio/voices.c @@ -0,0 +1,60 @@ +#include "voices.h" + +extern uint16_t envelope_index; +extern float note_timbre; + +voice_type voice = default_voice; + +void set_voice(voice_type v) { + voice = v; +} + +float voice_envelope(float frequency) { + // envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz + uint16_t compensated_index = (uint16_t)((float)envelope_index * (880.0 / frequency)); + + switch (voice) { + case default_voice: + // nothing here on purpose + break; + case butts_fader: + switch (compensated_index) { + case 0 ... 9: + frequency = frequency / 4; + note_timbre = TIMBRE_12; + break; + case 10 ... 19: + frequency = frequency / 2; + note_timbre = TIMBRE_12; + break; + case 20 ... 200: + note_timbre = .125 - pow(((float)compensated_index - 20) / (200 - 20), 2)*.125; + break; + default: + note_timbre = 0; + break; + } + break; + case octave_crunch: + switch (compensated_index) { + case 0 ... 9: + case 20 ... 24: + case 30 ... 32: + 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; + default: + note_timbre = TIMBRE_12; + break; + } + break; + } + + return frequency; +} \ No newline at end of file -- cgit v1.2.3 From e89b806b850ad1b5484176664288b71b0131683e Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Thu, 21 Apr 2016 00:40:00 -0400 Subject: converts tabs to spaces --- quantum/audio/voices.c | 88 +++++++++++++++++++++++++------------------------- 1 file changed, 44 insertions(+), 44 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 30e8be641e..51652927bd 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -6,55 +6,55 @@ extern float note_timbre; voice_type voice = default_voice; void set_voice(voice_type v) { - voice = v; + voice = v; } float voice_envelope(float frequency) { - // envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz + // envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz uint16_t compensated_index = (uint16_t)((float)envelope_index * (880.0 / frequency)); switch (voice) { - case default_voice: - // nothing here on purpose - break; - case butts_fader: - switch (compensated_index) { - case 0 ... 9: - frequency = frequency / 4; - note_timbre = TIMBRE_12; - break; - case 10 ... 19: - frequency = frequency / 2; - note_timbre = TIMBRE_12; - break; - case 20 ... 200: - note_timbre = .125 - pow(((float)compensated_index - 20) / (200 - 20), 2)*.125; - break; - default: - note_timbre = 0; - break; - } - break; - case octave_crunch: - switch (compensated_index) { - case 0 ... 9: - case 20 ... 24: - case 30 ... 32: - 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; - default: - note_timbre = TIMBRE_12; - break; - } - break; - } + case default_voice: + // nothing here on purpose + break; + case butts_fader: + switch (compensated_index) { + case 0 ... 9: + frequency = frequency / 4; + note_timbre = TIMBRE_12; + break; + case 10 ... 19: + frequency = frequency / 2; + note_timbre = TIMBRE_12; + break; + case 20 ... 200: + note_timbre = .125 - pow(((float)compensated_index - 20) / (200 - 20), 2)*.125; + break; + default: + note_timbre = 0; + break; + } + break; + case octave_crunch: + switch (compensated_index) { + case 0 ... 9: + case 20 ... 24: + case 30 ... 32: + 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; + default: + note_timbre = TIMBRE_12; + break; + } + break; + } - return frequency; + return frequency; } \ No newline at end of file -- cgit v1.2.3 From 9828aba2a12f03fccbc1095bc8e4918ae58fa31b Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Thu, 21 Apr 2016 18:14:25 -0400 Subject: adds multiple voices and the ability to iterate/deiterate between them --- quantum/audio/voices.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 51652927bd..92ada47f7b 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -1,23 +1,35 @@ #include "voices.h" +// these are imported from audio.c extern uint16_t envelope_index; extern float note_timbre; +extern float polyphony_rate; -voice_type voice = default_voice; +voice_type voice = duty_osc; void set_voice(voice_type v) { voice = v; } +void voice_iterate() { + voice = (voice + 1) % number_of_voices; +} + +void voice_deiterate() { + voice = (voice - 1) % number_of_voices; +} + float voice_envelope(float frequency) { // envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz uint16_t compensated_index = (uint16_t)((float)envelope_index * (880.0 / frequency)); switch (voice) { case default_voice: - // nothing here on purpose + note_timbre = TIMBRE_50; + polyphony_rate = 0; break; case butts_fader: + polyphony_rate = 0; switch (compensated_index) { case 0 ... 9: frequency = frequency / 4; @@ -36,6 +48,7 @@ float voice_envelope(float frequency) { } break; case octave_crunch: + polyphony_rate = 0; switch (compensated_index) { case 0 ... 9: case 20 ... 24: @@ -54,6 +67,20 @@ float voice_envelope(float frequency) { break; } break; + case duty_osc: + // This slows the loop down a substantial amount, so higher notes may freeze + polyphony_rate = 0; + switch (compensated_index) { + default: + #define SPEED 10 + #define AMP .75 + // sine wave is slow + // note_timbre = (sin((float)compensated_index/10000*SPEED) * AMP / 2) + .5; + // triangle wave is a bit faster + note_timbre = (float)abs((compensated_index*SPEED % 3000) - 1500) * ( AMP / 1500 ) + (1 - AMP) / 2; + break; + } + break; } return frequency; -- cgit v1.2.3 From 7b3f212500210ae85063b043952b5b3ef6988ad6 Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Thu, 21 Apr 2016 23:10:47 -0400 Subject: adds more voices, fixes macro redefines --- quantum/audio/voices.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 92ada47f7b..98631f0cb4 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -72,15 +72,19 @@ float voice_envelope(float frequency) { polyphony_rate = 0; switch (compensated_index) { default: - #define SPEED 10 - #define AMP .75 + #define OCS_SPEED 10 + #define OCS_AMP .25 // sine wave is slow - // note_timbre = (sin((float)compensated_index/10000*SPEED) * AMP / 2) + .5; + // 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*SPEED % 3000) - 1500) * ( AMP / 1500 ) + (1 - AMP) / 2; + note_timbre = (float)abs((compensated_index*OCS_SPEED % 3000) - 1500) * ( OCS_AMP / 1500 ) + (1 - OCS_AMP) / 2; break; } break; + case duty_octave_down: + polyphony_rate = 0; + note_timbre = (envelope_index % 2) * .125 + .375 * 2; + break; } return frequency; -- cgit v1.2.3 From 082a0f313d8c842a5de7bae30ec8a3597e35880b Mon Sep 17 00:00:00 2001 From: IBNobody Date: Fri, 22 Apr 2016 00:01:38 -0500 Subject: fixed compiler warnings (#273) --- quantum/audio/voices.c | 37 +++++++++++++++++++++++++------------ 1 file changed, 25 insertions(+), 12 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 98631f0cb4..330ffb803a 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; @@ -78,13 +87,17 @@ 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; - break; + break; + + default: + break; } return frequency; -- cgit v1.2.3 From b1900c8dde2a68e87aaabd84280a99bf6658ea9f Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Fri, 22 Apr 2016 01:02:50 -0400 Subject: adds fifth and fourth down voices --- quantum/audio/voices.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 98631f0cb4..8b3978f3d8 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -84,6 +84,21 @@ float voice_envelope(float frequency) { case duty_octave_down: polyphony_rate = 0; note_timbre = (envelope_index % 2) * .125 + .375 * 2; + if ((envelope_index % 4) == 0) + note_timbre = 0.5; + if ((envelope_index % 8) == 0) + note_timbre = 0; + break; + case duty_fifth_down: + note_timbre = 0.5; + if ((envelope_index % 5) == 0) + note_timbre = 0.75; + break; + case duty_fourth_down: + if ((envelope_index % 12) == 0) + note_timbre = 0.25; + else + note_timbre = 0.5; break; } -- cgit v1.2.3 From a718c53fe77f0b3b4361c850531eee5f23e3e13d Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Fri, 22 Apr 2016 11:58:29 -0400 Subject: adds more voice harmonics --- quantum/audio/voices.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 8861011871..0b4b463c47 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -101,14 +101,27 @@ float voice_envelope(float frequency) { break; case duty_fifth_down: note_timbre = 0.5; - if ((envelope_index % 5) == 0) + if ((envelope_index % 3) == 0) note_timbre = 0.75; break; case duty_fourth_down: + note_timbre = 0.0; if ((envelope_index % 12) == 0) + note_timbre = 0.75; + if (((envelope_index % 12) % 4) != 1) + note_timbre = 0.75; + break; + case duty_third_down: + note_timbre = 0.5; + if ((envelope_index % 5) == 0) + note_timbre = 0.75; + break; + case duty_fifth_third_down: + note_timbre = 0.5; + if ((envelope_index % 5) == 0) + note_timbre = 0.75; + if ((envelope_index % 3) == 0) note_timbre = 0.25; - else - note_timbre = 0.5; break; default: -- cgit v1.2.3 From e7b6bb641c0636c01e3781fe51865fdb20014eeb Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Mon, 25 Apr 2016 00:59:47 -0400 Subject: updates default voice, prunes voices --- quantum/audio/voices.c | 50 +++++++++++++++++++++++++------------------------- 1 file changed, 25 insertions(+), 25 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 0b4b463c47..de9f8ae544 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -6,7 +6,7 @@ extern uint16_t envelope_index; extern float note_timbre; extern float polyphony_rate; -voice_type voice = duty_osc; +voice_type voice = default_voice; void set_voice(voice_type v) { voice = v; @@ -99,30 +99,30 @@ float voice_envelope(float frequency) { if ((envelope_index % 8) == 0) note_timbre = 0; break; - case duty_fifth_down: - note_timbre = 0.5; - if ((envelope_index % 3) == 0) - note_timbre = 0.75; - break; - case duty_fourth_down: - note_timbre = 0.0; - if ((envelope_index % 12) == 0) - note_timbre = 0.75; - if (((envelope_index % 12) % 4) != 1) - note_timbre = 0.75; - break; - case duty_third_down: - note_timbre = 0.5; - if ((envelope_index % 5) == 0) - note_timbre = 0.75; - break; - case duty_fifth_third_down: - note_timbre = 0.5; - if ((envelope_index % 5) == 0) - note_timbre = 0.75; - if ((envelope_index % 3) == 0) - note_timbre = 0.25; - break; + // case duty_fifth_down: + // note_timbre = 0.5; + // if ((envelope_index % 3) == 0) + // note_timbre = 0.75; + // break; + // case duty_fourth_down: + // note_timbre = 0.0; + // if ((envelope_index % 12) == 0) + // note_timbre = 0.75; + // if (((envelope_index % 12) % 4) != 1) + // note_timbre = 0.75; + // break; + // case duty_third_down: + // note_timbre = 0.5; + // if ((envelope_index % 5) == 0) + // note_timbre = 0.75; + // break; + // case duty_fifth_third_down: + // note_timbre = 0.5; + // if ((envelope_index % 5) == 0) + // note_timbre = 0.75; + // if ((envelope_index % 3) == 0) + // note_timbre = 0.25; + // break; default: break; -- cgit v1.2.3 From 140b97a1cd226432a8ec647004943698e3d87f0b Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Tue, 26 Apr 2016 01:16:47 -0400 Subject: adds delayed vibrato --- quantum/audio/voices.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index de9f8ae544..0921bd5931 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -1,5 +1,6 @@ #include "voices.h" #include "stdlib.h" +#include "vibrato_lut.h" // these are imported from audio.c extern uint16_t envelope_index; @@ -99,6 +100,36 @@ float voice_envelope(float frequency) { if ((envelope_index % 8) == 0) note_timbre = 0; break; + case delayed_vibrato: + polyphony_rate = 0; + note_timbre = TIMBRE_50; + #define VOICE_VIBRATO_DELAY 150 + #define VOICE_VIBRATO_SPEED 50 + switch (compensated_index) { + case 0 ... VOICE_VIBRATO_DELAY: + break; + default: + frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)]; + break; + } + break; + // case delayed_vibrato_octave: + // polyphony_rate = 0; + // if ((envelope_index % 2) == 1) { + // note_timbre = 0.55; + // } else { + // note_timbre = 0.45; + // } + // #define VOICE_VIBRATO_DELAY 150 + // #define VOICE_VIBRATO_SPEED 50 + // switch (compensated_index) { + // case 0 ... VOICE_VIBRATO_DELAY: + // break; + // default: + // frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)]; + // break; + // } + // break; // case duty_fifth_down: // note_timbre = 0.5; // if ((envelope_index % 3) == 0) -- cgit v1.2.3 From 66e0323881a5a3da65e14daeec41a1e9cfbda431 Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Fri, 29 Apr 2016 12:42:55 -0400 Subject: removes extra voices, updates .hex files --- quantum/audio/voices.c | 42 +++++++++++++++++++++--------------------- 1 file changed, 21 insertions(+), 21 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 0921bd5931..d2316ba1b3 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -54,28 +54,28 @@ float voice_envelope(float frequency) { } break; - case octave_crunch: - polyphony_rate = 0; - switch (compensated_index) { - case 0 ... 9: - case 20 ... 24: - case 30 ... 32: - 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; + // case octave_crunch: + // polyphony_rate = 0; + // switch (compensated_index) { + // case 0 ... 9: + // case 20 ... 24: + // case 30 ... 32: + // 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; - default: - note_timbre = TIMBRE_12; - break; - } - break; + // default: + // note_timbre = TIMBRE_12; + // break; + // } + // break; case duty_osc: // This slows the loop down a substantial amount, so higher notes may freeze -- cgit v1.2.3 From 83e1cc241e3aabd69f6cdcd2581477d4b85bb8d3 Mon Sep 17 00:00:00 2001 From: IBNobody Date: Tue, 3 May 2016 12:56:40 -0500 Subject: Clarified audio.c (#302) * Updated personal layouts * tweaked personal * Nightly - Audio Cleanup Refactored the LUTs. Abstracted some of the registers out of audio to use more functional names. Split audio into audio and audio_pwm. WIP * nightly - collapsed code * Added check for note playing to LEDs --- quantum/audio/voices.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'quantum/audio/voices.c') diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index d2316ba1b3..6d4172a06c 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -1,6 +1,6 @@ #include "voices.h" +#include "audio.h" #include "stdlib.h" -#include "vibrato_lut.h" // these are imported from audio.c extern uint16_t envelope_index; @@ -109,7 +109,7 @@ float voice_envelope(float frequency) { case 0 ... VOICE_VIBRATO_DELAY: break; default: - frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)]; + frequency = frequency * vibrato_lut[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)]; break; } break; @@ -160,4 +160,6 @@ float voice_envelope(float frequency) { } return frequency; -} \ No newline at end of file +} + + -- cgit v1.2.3