diff options
Diffstat (limited to 'quantum/audio')
| -rw-r--r-- | quantum/audio/audio.c | 15 | ||||
| -rw-r--r-- | quantum/audio/voices.c | 45 | ||||
| -rw-r--r-- | quantum/audio/voices.h | 1 |
3 files changed, 54 insertions, 7 deletions
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, |