test brainchild_io_16do protocol-decoder uart channel rx=0 channel tx=1 option baudrate=19200 option invert_rx=yes option invert_tx=yes protocol-decoder modbus option channel=RX stack uart modbus input uart/modbus_rtu/brainchild_io_16do/brainchild-io-16do.sr output modbus annotation match brainchild_io_16do.output