> 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 -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
