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SubjectRe: Parallel Port and USB Device Drivers
Date
On Wed, 12 Jun 2002 15:28, Adam Luchjenbroers wrote:
> Could someone tell me where I can find some documentation regarding
> implementing LPT and USB device drivers.
USB Printer Class spec + USS720 data sheet + a quick search of drivers/usb for
files called printer.c and uss720.c might help.

> Also, is it possible to have a function called timed to the LPT output
> (since LPT data rates are very slow it would be more efficient for the
> driver to be called when the port is ready to output the next byte instead
> of having it perform a few delay loops).
You normally get buffering with the device.

> Any information regarding how I'd go about building these drivers as kernel
> modules would be nice.
CONFIG_USB_PRINTER=m
CONFIG_USB_USS720=m
is probably enough :)

Brad
--
http://conf.linux.org.au. 22-25Jan2003. Perth, Australia. Birds in Black.
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