I have an application that needs the ability to assert RTS before
sending a 700 bit message and to deassert RTS after CTS is granted and
the message is transmitted. I use ioctls and TIOCMGET/TIOCMSET to
control RTS. The application seemed to run fine on a Compaq running an
old version on Slackware (kernel 1.2.8) but won't run on a Dell laptop
running Red Hat 6.0. I looked at the serial device driver in the
Slackware and the Red Hat systems and they are the same.
Has anyone else had problems with Red Hat, kernel 2.2.5-15, and/or
laptops? Comments on my technique are also welcome - I know that I
should write a device driver but for now I'm just trying to get
something working.
--
------------------------------------------------------------------------
John Florence, Mathematician, VSS Group, 25-162 Phone: 240-228-6685
JHU/APL, Johns Hopkins Road, Laurel, MD 20723 FAX: 240-228-6663
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