Is showing all attributes for RS232 port possible in FreeBSD?

Sat Apr 22 16:34:55 UTC 2006


Peter Jeremy wrote:
> On Sat, 2006-Apr-22 04:28:30 -0700, Garrett Cooper wrote:
>   
>> 	I was just wondering if there was any way where I could program with 
>> C, such that I could view information regarding the extra pins on a  
>> DB9 serial port other than just TXD and RXD, ie the DTS, CD, CTS,...  
>> etc ports.
>>     
>
> Look in tty(4), specifically TIOCMSET, TIOCMGET, TIOCMBIS, TIOCMBIC.
Brilliant! That's exactly what I was looking for.
Thanks!
-Garrett