67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
/**
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* @file streams-adsr-i2s.ino
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* @author Phil Schatzmann
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* @brief Simple example for AudioEffects with ADSR
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* @copyright GPLv3
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*
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*/
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#include "AudioTools.h"
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//#include "AudioTools/AudioLibs/AudioBoardStream.h"
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I2SStream i2s; //AudioBoardStream
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SineWaveGenerator<int16_t> sine;
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GeneratedSoundStream<int16_t> stream(sine);
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AudioEffectStream effects(stream);
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ADSRGain adsr(0.0001,0.0001, 0.9 , 0.0002);
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StreamCopy copier(i2s, effects);
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uint64_t time_on;
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uint64_t time_off;
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void actionKeyOn(float note){
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Serial.println("KeyOn");
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sine.setFrequency(note);
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adsr.keyOn();
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}
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void actionKeyOff(){
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Serial.println("KeyOff");
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adsr.keyOff();
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}
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void setup() {
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Serial.begin(115200);
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AudioLogger::instance().begin(Serial,AudioLogger::Warning);
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// setup effects
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effects.addEffect(adsr);
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// Setup output
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auto cfg = i2s.defaultConfig(TX_MODE);
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//i2s.setVolume(1.0);
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i2s.begin(cfg);
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// Setup sound generation based on AudioKit settins
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sine.begin(cfg, 0);
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stream.begin(cfg);
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effects.begin(cfg);
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}
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// copy the data
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void loop() {
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copier.copy();
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uint64_t time = millis();
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if (time>time_off){
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actionKeyOff();
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time_on = time+1000;
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time_off = time+2000;
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}
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if (time>time_on){
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actionKeyOn(N_C3);
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time_on = time+2000;
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time_off = time+1000;
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}
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}
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