Advantech ADAM-5511 Manual page 275

Clear Port Break
Set Port Break
Set specified port to clear BREAK signal
Set specified port to send BREAK signal
void port_clear_break(int portno)
void port_set_break(int portno)
portno
None
void main ()
{
port_install(1);
:
:
port_enable_fifo(1);
//set port1 to clear break signal
port_clear_break(1);
//or "port_set_break(1)"
}
The specified port number