59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/**
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* @file communication-codec-test.ino
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* @author Phil Schatzmann
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* @brief generate sine wave -> encoder -> decoder -> csv (Serial)
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* Unfortunately codec2 needs more stack then we have available in Arduino. So we do the processing
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* in a separate task with a stack of 20k
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*
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* @version 0.1
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* @date 2022-04-30
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#include "AudioTools.h"
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#include "AudioTools/AudioCodecs/CodecCodec2.h"
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#include "AudioTools/AudioLibs/AudioBoardStream.h"
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AudioInfo info(8000, 1, 16);
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SineWaveGenerator<int16_t> sineWave( 32000); // 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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//CsvOutput<int16_t> out(Serial, channels);
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AudioBoardStream out(AudioKitEs8388V1);
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EncodedAudioStream decoder(&out, new Codec2Decoder()); // encode and write
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EncodedAudioStream encoder(&decoder, new Codec2Encoder()); // encode and write
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StreamCopy copier(encoder, sound);
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void loop1(void*) {
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// setup decoder
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decoder.begin(info);
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// setup encoder
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encoder.begin(info);
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// processing loop
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while(true){
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copier.copy();
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delay(1);
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}
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}
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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 sine wave
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sineWave.begin(info, N_B4);
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auto cfg = out.defaultConfig();
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cfg.copyFrom(info);
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out.begin(cfg);
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int stack = 20000;
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xTaskCreate(loop1,"loopTask", stack, nullptr,1, nullptr);
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Serial.println("Test started...");
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}
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void loop() {
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} |