Advantech ADAM-5511 Manual page 283

Set RTS High
Set RTS Low
Set specified port RTS high
Set specified port RTS low
void port_raise_rts(int portno)
void port_lower_rts(int portno)
portno
None
void main ()
{
port_install(1);
:
:
//set port1 RTS low
port_lower_rts(1);
//set port1 RTS high
port_raise_rts(1);
}
The specified port number