So how would i tell if my GPS does this and if so how do i get it recognized by the kernel and gpsd?
On Fri, Aug 12, 2016 at 2:53 PM, Bill Unruh <un...@physics.ubc.ca> wrote: > On Fri, 12 Aug 2016, Chris Greenman wrote: > > it's a usb puck. so no. Actually I haven't actually looked but typical >> USB is +5v data+ data- and gnd. As >> far as I know the only place the pps signal is available is inside the >> puck between the GPS module and the usb >> interface. >> > > Well, usb serial immitatiors can also immitate the control lines from a > serial > line. Thus one of the usb packets can be a simlation of the PPS signalalong > the appropriate serial line. But those are likely to have far worse > behaviour than the actual lines. > It might however be better than the data phrases usually coming along the > serial line. > > > > >> like I said I COULD crack it open and run a new cable that included the >> pps line. >> >> On Fri, Aug 12, 2016 at 2:24 PM, Bill Unruh <un...@physics.ubc.ca> wrote: >> >> >> William G. Unruh __| Canadian Institute for|____ Tel: >> +1(604)822-3273 >> Physics&Astronomy _|___ Advanced Research _|____ Fax: >> +1(604)822-5324 >> UBC, Vancouver,BC _|_ Program in Cosmology |____ >> un...@physics.ubc.ca >> Canada V6T 1Z1 ____|____ and Gravity ______|_ >> www.theory.physics.ubc.ca/ >> >> On Fri, 12 Aug 2016, Chris Greenman wrote: >> >> I CAN hook it up for PPS but it will require cracking open >> the puck and it's not that >> crucial for my use >> anyway. >> >> >> Isn't there an output line from the puck which carries the PPS >> signal? >> >> >> >>
