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Re: [gpsd-dev] PPS over USB

From: Gary E. Miller
Subject: Re: [gpsd-dev] PPS over USB
Date: Sun, 6 May 2012 13:12:32 -0700

Yo Hal!

On Sun, 06 May 2012 13:03:40 -0700
Hal Murray <address@hidden> wrote:

> address@hidden said:
> > Sadly, as esr has found out, the cp210x linux driver is very poor
> > and gets no love from the vendor.  It does not support basic
> > ioctl() calls that gpsd needs to utilize the PPS signal.  So until
> > there is a good driver for them they are not an option for gpsd
> > users. 
> Is there a list of serial-USB chips that are known to work and/or not
> work?

I just did an fgrep for TIOCMWAIT in the linux driver source.  Which says
nothing about other OS at all.  The best source is probably the gpsd
hardware compatibility list.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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