> Hi,
> Are you using this for an RS-485 application, for example using the
> RTS signal to control the transmit function of the transceiver?
> Jerry
>
-----Original Message-----
From: Kai Seidel [SMTP:[EMAIL PROTECTED]]
Sent: Wednesday, May 10, 2000 8:34 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: Switching RTS-Signal on/off
> Michael Harig wrote:
> >
> > you have to use ioctl-calls to do this:
> >
> > int aMCR;
> >
> > if(ioctl(fd,TIOCMBIS,&aMCR)==-1) // Turn on RTS
> > fprintf(stderr," (RTS=1 ERROR)");
> >
> > if(ioctl(fd,TIOCMBIC,&aMCR)==-1) // Turn off RTS
> > fprintf(stderr," (RTS=0 ERROR)");
> >
> > hth,
> >
> > Michael
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-serial"
> in
> > the body of a message to [EMAIL PROTECTED]
>
> Thanks for this hint!
>
> The following sourcecode is working (maybe others would be interesting
> in, too):
> ---
> ioctl(fd, TIOCMGET, &status);
> status &= ~(TIOCM_RTS); /* RTS OFF */
> or
> status |= TIOCM_RTS; /* RTS ON */
> ioctl(fd, TIOCMSET, &status);
> ---
>
> Yes, it really works fine!!!
>
> Greetings,
> -Kai-
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-serial" in
> the body of a message to [EMAIL PROTECTED]
-
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to [EMAIL PROTECTED]
