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libraries/audio-tools/examples/sandbox/ggwave/receive/receive.ino

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+/**
+ * @file receive.ino
+ * @author Phil Schatzmann
+ * @brief We receive text over audio with the help of the GWave library
+ * This is not working!
+ * @version 0.1
+ * @date 2022-12-14
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+
+#include "AudioTools.h"
+#include "Experiments/CodecGGWave.h" // https://github.com/ggerganov/ggwave-arduinop
+#include "AudioTools/AudioLibs/AudioBoardStream.h" // https://github.com/pschatzmann/arduino-audio-driver.git
+
+int sample_rate = GGWAVE_DEFAULT_SAMPLE_RATE;
+int channels = 1;
+AudioBoardStream in(AudioKitEs8388V1);  // or e.g. I2SStream
+GGWaveDecoder dec;
+EncodedAudioStream encoder_stream(Serial, dec); // decode and write to I2S - ESP Now is limited to 256 bytes
+StreamCopy copier(encoder_stream, in, GGWAVE_DEFAULT_BYTES_PER_FRAME);  // copy mic to tfl
+
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  // audio input
+  auto config = in.defaultConfig(RX_MODE);
+  config.sample_rate = sample_rate;
+  config.channels = channels;
+  config.input_device = ADC_INPUT_LINE2; // microphone
+  in.begin(config);
+
+  // setup codec
+  auto config_dec = encoder_stream.defaultConfig();
+  config_dec.sample_rate = sample_rate;
+  config.channels = channels;
+  encoder_stream.begin(config); 
+}
+
+void loop() {
+    copier.copy();
+}

libraries/audio-tools/examples/sandbox/ggwave/send/send.ino

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+/**
+ * @file send.ino
+ * @author Phil Schatzmann
+ * @brief We transmit text over audio with the help of the GWave library
+ * This is not working!
+ * @version 0.1
+ * @date 2022-12-14
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+
+#include "AudioTools.h"
+#include "Experiments/CodecGGWave.h" // https://github.com/ggerganov/ggwave-arduinop
+#include "AudioTools/AudioLibs/AudioBoardStream.h" // https://github.com/pschatzmann/arduino-audio-driver.git
+
+int sample_rate = GGWAVE_DEFAULT_SAMPLE_RATE;
+int channels = 1;
+AudioBoardStream out(AudioKitEs8388V1); // or AudioBoardStream
+GGWaveEncoder enc;
+EncodedAudioStream encoder_stream(&out, &enc); // decode and write to I2S - ESP Now is limited to 256 bytes
+
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  // audio output
+  auto config = out.defaultConfig(TX_MODE);
+  config.sample_rate = sample_rate;
+  config.channels = channels;
+  out.begin(config);
+
+  // setup codec
+  auto config_dec = encoder_stream.defaultConfig();
+  config_dec.sample_rate = sample_rate;
+  config.channels = channels;
+  encoder_stream.begin(config); 
+}
+
+void loop() {
+  encoder_stream.println("this is a test");
+  delay(5000);
+}