// TODO: This a guess!!...untested!!
public byte[] read() {
try {
serialConnection.readStaleData();
long start = currentTimeMillis();
while (currentTimeMillis() - start <= sendTimeout) {
if (serialConnection.available() > 10) {
byte[] bytes = serialConnection.readAvailable();
LOGGER.trace("AEM UEGO input: " + asHex(bytes));
int startIndex = findStart(bytes);
LOGGER.trace("AEM UEGO start index: " + startIndex);
if (startIndex < 0 || startIndex >= bytes.length) continue;
List<Byte> buffer = new ArrayList<Byte>();
for (int i = startIndex; i < bytes.length; i++) {
byte b = bytes[i];
if (b == (byte) 0x0D) {
byte[] response = toArray(buffer);
LOGGER.trace("AEM UEGO Response: " + asHex(response));
return response;
} else {
buffer.add(b);
}
}
}
sleep(1);
}
LOGGER.warn("AEM UEGO Response [read timeout]");
return new byte[0];
} catch (Exception e) {
close();
throw new SerialCommunicationException(e);
}
}
public void close() {
serialConnection.close();
LOGGER.info("AEM disconnected");
}