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RE: programming the serial port

> From: Bart Vandewoestyne [mailto:Bart.Vandewoestyne@pandora.be]

> We are not allowed to do it 'the POSIX way'... that means, just
> opening a file descriptor to /dev/ttySX and writing and reading from
> that file descriptor isn't the way we should do it... we really have
> to set and change bits from the UART (16550 or 16450 that is i
> guess...)
> 
If the uart is memory mapped, you might find some kernel module that allows
users to directly access a specific area of memory. I can't remember, the
name of the module, but I think the old 3DFX driver made use of it.
-- 
Martin Hansen
Student at SDU Sonderborg. www.sdu.dk
Writing final project at Danfoss drives. www.danfossdrives.com

Tlf: 74 88 54 62
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