On 2012-03-24, Chris Albertson <albertson.ch...@gmail.com> wrote: > On Fri, Mar 23, 2012 at 4:39 PM, unruh <un...@invalid.ca> wrote: >> Sorry, just realised what you meant by "programming"-- change in baud >> rate, sentence delivery, etc. I use the default ( and use the PPS from >> the Sure for the actual timing via either the serial port (with >> pps_ldisc on linux) or with the parallel port and a special program I >> wrote to handle the parallel interrupt > > The Linux PPS code now handles parallel port. You don't have to > write your own. Also I think the PPS API was a way to add other > physical devices so there is no need for an ad-hoc solution. Maybe > you need to upgrade to latest kernel to get this.
I wrote it about 6 years ago. I know it and how it works. I do not know how the pps_parallel works. > > Oh, if the Sure GPS does loose the programming (It would be simple to > test) you can fit it by placing a battery across the power supply. I > used a coin ell holder salvaged from a dead PC for one GPS I have and > AA cells work too. But I bet the sure is new enough to use eprom or > flash. > > > Chris Albertson > Redondo Beach, California _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
