From: <ca...@t-...> - 2005-04-06 18:39:50
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Hello, which possibilities do i have to access a serial port from a kernel = module ? I think i can't simply open /dev/ttySx and call read / write. I want to = avoid to rewrite a low level driver, just use the port (Rx and Tx are = enough). Regards, Martin |
From: Craig H. <cr...@hu...> - 2005-04-06 23:54:33
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Not sure why you'd ever need to do serial I/O from a kernel module --=20 probably whatever you're doing should be happening in userspace. C On Apr 6, 2005, at 11:39 AM, ca...@t-... wrote: > Hello, > =A0 > which possibilities do i have to access a serial port from a kernel=20 > module ? > I think i can't simply open /dev/ttySx and call read / write. I want=20= > to avoid to rewrite a low level driver, just use the port (Rx and Tx=20= > are enough). > =A0 > Regards, > =A0 > =A0=A0=A0=A0=A0=A0=A0=A0Martin |