Re: Treating parallel port as serial device

From: Philip Blundell (philb@gnu.org)
Date: Tue Aug 28 2001 - 15:15:32 EST

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>even comes close. Userspace probably wouldn't cut it as I'm reading as
>9600 baud and usleep doesn't have nearly enough resolution.

9600 baud is only 1 bit every 100us or so. SCHED_FIFO and nanosleep should be
perfectly adequate for timing. You can use ppdev or direct port I/O to get at
the pins.

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