47 lines
1.2 KiB
Arduino
47 lines
1.2 KiB
Arduino
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/**
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* Test sketch for adc2dac.pd that was compiled with hvcc -n Adc2Dac adc2dac.pd
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* The ADC receives data from the SineGenerator and the output from the
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* DAC is copied to I2S (AudioBoardStream)
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*/
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#include "AudioTools.h"
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#include "AudioTools/AudioLibs/AudioBoardStream.h"
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#include "Heavy_Adc2Dac.hpp"
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#include "AudioTools/AudioLibs/PureDataStream.h"
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AudioInfo info(44100, 2, 16);
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Heavy_Adc2Dac pd_test(info.sample_rate);
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PureDataStream pd(pd_test);
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AudioBoardStream i2s(AudioKitEs8388V1); // final output of decoded stream
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SineGenerator<int16_t> sineWave; // subclass of SoundGenerator with max amplitude of 32000
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GeneratedSoundStream<int16_t> sound(sineWave); // Stream generated from sine wave
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StreamCopy copierToPd(pd, sound, 1024);
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StreamCopy copierFromPd(i2s, pd, 1024);
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void setup() {
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
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// setup output
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auto config = i2s.defaultConfig(TX_MODE);
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config.sd_active = false;
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config.copyFrom(info);
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i2s.begin(config);
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// setup input
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sineWave.begin(info, N_B4);
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// setup pd
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pd.begin();
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}
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void loop() {
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// provide data to adc
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copierToPd.copy();
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// get data from dac
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copierFromPd.copy();
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}
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