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On Fri, Aug 10, 2001 at 07:35:11PM +0200, Henning Meier-Geinitz wrote: > > On an aside, I noticed there have been a few questions about > > running parallel scanners non-root today. Has anyone got any ideas > > about this? Since I use libieee1284, my backend runs perfectly as > > a user. >=20 > How does it work? Does it use a kernel driver? It tries to use ppdev if it is available; if not, it tries ioperm or /dev/port. The idea is that it tries all available methods until it finds one that works. (Under FreeBSD, it would try /dev/io, for instance, although that code isn't written yet.) > I think it's ok to include libieee1284 into SANE. But before the > backend authors will use it instead of their own impementations, it > should support the platforms that are currently supported (at least > that would be my opinion, if I maintained a parport backend). Of course. The other thing to bear in mind at this stage is that the API for libieee1284 will change when I get some time to code on it. There are several missing features that need to be added, and there might be incompatible interface changes to come. > I'm not sure if this works for all the parport backends/drivers (e.g. > sanei_ab306 or sanei_pa4s2). It would be great if someone could port this code into libieee1284 so that other applications can benefit from it.. Tim. */ --cDtQGJ/EJIRf/Cpq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE7dGAFONXnILZ4yVIRAiIDAKCbtkKNNKtLdjs6Z1JWnDUIP4UVfQCfTMJM jThoos7cpzARsIZ/IZgzSLM= =E2GA -----END PGP SIGNATURE----- --cDtQGJ/EJIRf/Cpq--
