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libraries/audio-tools/tests-cmake/miniaudio/generator.cpp

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+// Simple wrapper for Arduino sketch to compilable with cpp in cmake
+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/MiniAudioStream.h"
+#include "AudioTools/Disk/SDtdioStream.h"
+
+//LinuxStdio out;                            // Output to stdio on Desktop
+MiniAudioStream out;                         // Output to MiniAudioStream
+SineWaveGenerator<int16_t> sine_wave;        // subclass of SoundGenerator with max amplitude
+GeneratedSoundStream<int16_t> in_stream(sine_wave); // Stream generated from sine wave
+StreamCopy copier(out, in_stream);                  // copies sound to out
+
+void setup(){
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  auto cfg = out.defaultConfig(TX_MODE);
+  //cfg.sample_rate = 22000;
+  if (!out.begin(cfg)){
+    stop();
+  }
+
+  sine_wave.begin(cfg, N_B4);
+  in_stream.begin();
+}
+
+void loop(){
+    copier.copy();
+}
+