- From: Herman Bruyninckx <Herman.Bruyninckx_at_mech.kuleuven.ac.be>
- Date: Mon, 20 Oct 2003 10:42:27 +0200 (CEST)
On Mon, 20 Oct 2003, Vladimir Dzhuvinov wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Herman Bruyninckx wrote: > > > We use this driver on a 2DOF robot system, and it has been running > > stably for several months now. The driver does _not_ implement all > > possible features of the card though. > Thank you for your reply. I briefly went through the patches. > > I need a quadrature decoder for an industrial application. The following > is required: > > * X2 quadrature decoding > * position readout rate between 50Hz and 20KHz > * the counter should be automatically reset by the > card upon detection of a rising edge of Z > > It looks like the NI660x driver implements enough functionality to cover > my needs, am I right to say that? > We haven't tested the driver for higher acquisition rates than 1-KHz... We have not tested the Z index pulse functionality... > Why hasn't the patch made its way into the CVS yet? Is it an unresolved > API issue? I guess so: the counter API is not part of the current beta of Comedi, so it will have to wait till after the 1.0 version has stabilized. (I think.) > May I also ask what particular Linux and COMEDI version you use in your > robot application? 2.4.19 and 2.4.2X kernels, RTAI from CVS, and Comedi from CVS. Good luck with the card. And please feel free to update the driver patches :-) Herman -- K.U.Leuven, Mechanical Engineering, Robotics Research Group <http://people.mech.kuleuven.ac.be/~bruyninc> Tel: +32 16 322480
Received on 2003-10-20Z07:42:27