dataToSend method
Implementation
Uint8List dataToSend() {
final builder = BytesBuilder();
while (_sendQueue.isNotEmpty) {
onTrace?.call('-> ${_sendQueue.first}');
final packet = _sendQueue.removeFirst();
if (packet is ZModemDataPacket) {
metrics?.totalDataBytesSent += packet.data.length;
}
builder.add(packet.encode());
}
return builder.toBytes();
}