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libraries/audio-tools/tests-cmake/hdlc/hdlc.cpp

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+// Simple wrapper for Arduino sketch to compilable with cpp in cmake
+#include "AudioTools.h"
+#include "AudioTools/Communication/HDLCStream.h"
+
+RingBuffer<uint8_t> ringBuffer(5 * 1024);
+QueueStream<uint8_t> queueStream(ringBuffer);
+HDLCStream hdlcStream(queueStream, 1024);
+
+// Arduino Setup
+void setup(void) {
+  // Open Serial
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  queueStream.begin();
+  Serial.println(ringBuffer.available());
+
+  uint8_t data[1024];
+  // write 100 bytes
+  memset(data, 1, sizeof(data));
+  size_t written = hdlcStream.write(data, 100);
+  Serial.println(ringBuffer.available());
+  assert(written == 100);
+
+  // write 200 bytes
+  memset(data, 2, sizeof(data));
+  written = hdlcStream.write(data, 200);
+  Serial.println(ringBuffer.available());
+  assert(written == 200);
+
+  // write 300 bytes
+  memset(data, 3, sizeof(data));
+  written = hdlcStream.write(data, 300);
+  Serial.println(ringBuffer.available());
+  assert(written == 300);
+
+  // read back first write
+  size_t read = hdlcStream.readBytes(data, 1000);
+  Serial.println(read);
+  for (int j=0;j<100;j++) assert(data[j] == 1);
+  assert(read == 100);
+
+  // read back second write
+  read = hdlcStream.readBytes(data, 1000);
+  Serial.println(read);
+  for (int j=0;j<200;j++) assert(data[j] == 2);
+  assert(read == 200);
+
+  // read back third write
+  read = hdlcStream.readBytes(data, 1000);
+  Serial.println(read);
+  for (int j=0;j<300;j++) assert(data[j] == 3);
+  assert(read == 300);
+  Serial.println("END");
+}
+
+// Arduino loop - copy sound to out
+void loop() {}