On Mon, Jul 23, 2001 at 01:32:04PM +0100, David Wright wrote: > Quoting Pedro Zorzenon Neto ([EMAIL PROTECTED]): > > On Fri, Jul 20, 2001 at 12:42:13PM +0100, David Wright wrote: > > > Do you mean this package? > > > > > > "Programmer for Atmel AVR microcontrolers that uses PC parallel port > > > > Yes. > > > > > If so, I'm not sure why you think it needs to be setuid. Just > > > chgrp somegroup /dev/lp0 (or whichever port) and put yourself > > > (and any others) into somegroup. > > > > I tried /dev/lp* and couldn't make the program work with it. > > I should have looked back at what I had done. I didn't use /dev/lp* > but a device of my own making /dev/pp125 which is major 125, minor 0 > (i.e. in the range reserved for users). But chgrp it just the same.
There is now kernel support for generic user-space access to the parallel port (i.e. do-anything access, not just send/receive bytes like the lp devices.) This is in 2.4.x. -- #define X(x,y) x##y Peter Cordes ; e-mail: X([EMAIL PROTECTED] , ns.ca) "The gods confound the man who first found out how to distinguish the hours! Confound him, too, who in this place set up a sundial, to cut and hack my day so wretchedly into small pieces!" -- Plautus, 200 BCE
