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| // Copyright (C)2021 - E.Heidt | ||
| // | ||
| // Author: E.Heidt ([email protected]) | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
| // | ||
| // See http://creativecommons.org/licenses/MIT/ for more information. | ||
| // | ||
|
|
||
| #include "../squares-and-circles-api.h" | ||
| #include "peaks/modulations/multistage_envelope.h" | ||
| #include "peaks/modulations/multistage_envelope.cc" | ||
| #include "../DRUMS/resources/peaks_lut_env.hpp" | ||
|
|
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| peaks::MultistageEnvelope _processor; | ||
|
|
||
| int32_t _attack = 0; | ||
| int32_t _decay = UINT16_MAX / 2; | ||
| int32_t _sustain = UINT16_MAX / 2; | ||
| int32_t _release = UINT16_MAX / 2; | ||
|
|
||
| peaks::GateFlags flags[FRAME_BUFFER_SIZE]; | ||
| int16_t buffer[FRAME_BUFFER_SIZE]; | ||
|
|
||
| struct | ||
| { | ||
| int8_t scope[128] = {}; | ||
| int i = 0; | ||
|
|
||
| void draw(int y) | ||
| { | ||
| for (int x = 0; x < 127; x++) | ||
| { | ||
| if (x % 3 == 0) | ||
| gfx::setPixel(x, y); | ||
| gfx::drawLine(x, y - scope[(i + x) % 128], x + 1, y - scope[(1 + i + x) % 128]); | ||
| } | ||
| } | ||
|
|
||
| void push(int y) | ||
| { | ||
| scope[i++ % 128] = y; | ||
| if (i > 127) | ||
| i = 0; | ||
| } | ||
| } _scope; | ||
|
|
||
| void engine::setup() | ||
| { | ||
| _processor.Init(); | ||
|
|
||
| engine::addParam("Attack", &_attack, 0, UINT16_MAX); | ||
| engine::addParam("Decay", &_decay, 0, UINT16_MAX); | ||
| engine::addParam("Sustain", &_sustain, 0, UINT16_MAX); | ||
| engine::addParam("Release", &_release, 0, UINT16_MAX); | ||
| engine::setMode(ENGINE_MODE_COMPACT | ENGINE_MODE_CV_OUT); | ||
| } | ||
|
|
||
| void engine::process() | ||
| { | ||
| uint16_t params[4]; | ||
| params[0] = _attack; | ||
| params[1] = _decay; | ||
| params[2] = _sustain; | ||
| params[3] = _release; | ||
| _processor.Configure(params, peaks::CONTROL_MODE_FULL); | ||
|
|
||
| if (engine::trig()) | ||
| { | ||
| flags[0] = peaks::GATE_FLAG_RISING; | ||
| std::fill(&flags[1], &flags[FRAME_BUFFER_SIZE], peaks::GATE_FLAG_HIGH); | ||
| } | ||
| else if (engine::gate()) | ||
| { | ||
| std::fill(&flags[0], &flags[FRAME_BUFFER_SIZE], peaks::GATE_FLAG_HIGH); | ||
| } | ||
| else | ||
| { | ||
| flags[0] = flags[0] == peaks::GATE_FLAG_HIGH ? peaks::GATE_FLAG_FALLING : peaks::GATE_FLAG_LOW; | ||
| std::fill(&flags[1], &flags[FRAME_BUFFER_SIZE], peaks::GATE_FLAG_LOW); | ||
| } | ||
|
|
||
| _processor.Process(flags, buffer, FRAME_BUFFER_SIZE); | ||
|
|
||
| static float y = 0; | ||
| if ((engine::t() % 50) == 0) | ||
| { | ||
| _scope.push(y); | ||
| y = 0; | ||
| } | ||
| else | ||
| y = std::max<int>(y, buffer[0] / (INT16_MAX / 16)); | ||
|
|
||
| for (int i = 0; i < FRAME_BUFFER_SIZE; i++) | ||
| engine::outputBuffer<0>()[i] = (float)buffer[i] / -INT16_MIN * 8.f; | ||
| } | ||
|
|
||
| void engine::draw() | ||
| { | ||
| _scope.draw(56); | ||
| } |
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