43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
/**
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* @file streams-generator-i2s.ino
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* @author Phil Schatzmann
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* @brief see https://github.com/pschatzmann/arduino-audio-tools/blob/main/examples/examples-stream/streams-generator-spdif/README.md
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* @author Phil Schatzmann
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* @copyright GPLv3
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*/
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#include "AudioTools.h"
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#include "AudioTools/AudioLibs/SPDIFOutput.h"
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AudioInfo info(44100, 2, 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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SPDIFOutput out;
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StreamCopy copier(out, sound, 2048); // copies sound into i2s
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// Arduino Setup
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void setup(void) {
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// Open Serial
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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// start I2S
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Serial.println("starting SPDIF...");
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auto config = out.defaultConfig();
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config.copyFrom(info);
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config.pin_data = 23;
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config.buffer_size = 384;
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config.buffer_count = 8;
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out.begin(config);
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// Setup sine wave
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sineWave.begin(info, N_B4);
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Serial.println("started...");
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}
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// Arduino loop - copy sound to out
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void loop() {
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copier.copy();
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}
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