Messages in this thread | | | Date | Wed, 7 Mar 2007 14:38:25 +0100 | From | "Oleksiy Kebkal" <> | Subject | Re: should RTS init in serial core be tied to CRTSCTS |
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2007/3/7, Krzysztof Halasa <khc@pm.waw.pl>: > Robin Getz <rgetz@blackfin.uclinux.org> writes: > > > It is useful on (broken) legacy serial equipment, where RTS should be > > completely under the applications control. > > > > Glitches on RTS aren't acceptable, and confuse some devices. > > Does that mean you can't use TIOCMSET, TIOCM_RTS etc?
No. It is possible to use TIOCMSET only after open syscall. Between open and ioctl syscals RTS will be asserted. Sometimes it is not acceptable behaviour.
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