snapshot

libraries/audio-tools/examples/tests/conversion/resample-mixer-in/resample-mixer-in.ino

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+#include <AudioTools.h>
+#include "AudioTools/AudioLibs/AudioBoardStream.h"
+
+int16_t AR1[] = { 0, 4560, 9031, 13327, 17363, 21062, 24350, 27165, 29450, 31163, 32269, 32747, 32587, 31793, 30381, 28377, 25820, 22761, 19259, 15383, 11206, 6812, 2285, -2285, -6812, -11206, -15383, -19259, -22761, -25820, -28377, -30381, -31793, -32587, -32747, -32269, -31163, -29450, -27165, -24350, -21062, -17363, -13327, -9031, -4560 };
+
+AudioInfo info(44100, 1, 16);
+GeneratorFromArray<int16_t> wave(AR1, 0, false);
+GeneratedSoundStream<int16_t> snd(wave);  // Stream generated from array1
+VolumeStream volume(snd);
+ResampleStream resample(volume);
+InputMixer<int16_t> mixer;
+AudioBoardStream i2s(AudioKitEs8388V1);
+StreamCopy copier(i2s, mixer);
+
+// Arduino Setup
+
+void setup(void) {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
+
+  auto rcfg1 = resample.defaultConfig();
+  rcfg1.copyFrom(info);
+  rcfg1.step_size = 0.6;
+  resample.begin(rcfg1);
+
+  // start I2S internal
+  auto config = i2s.defaultConfig(TX_MODE);
+  config.copyFrom(info);
+  config.use_apll = false;
+  i2s.begin(config);
+
+  mixer.add(resample);  //SOUND1
+  mixer.begin(info);
+
+  //waveAR1.begin(info);
+  snd.begin(info);
+
+  volume.begin(info);
+  volume.setVolume(1.0);
+}
+
+void loop() {
+  copier.copy();
+}