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Re: [gpsd-users] Getting data from U-Blox 6 receiver (native or NMEA pro
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From: |
Gary E. Miller |
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Subject: |
Re: [gpsd-users] Getting data from U-Blox 6 receiver (native or NMEA protocol) |
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Date: |
Wed, 22 Apr 2015 15:43:46 -0700 |
Yo Askar!
On Wed, 22 Apr 2015 10:11:42 +0300
Askar Ibragimov <address@hidden> wrote:
> Thanks for the answer Gary,
And sorry if I misunderstood a bit.
> I would need PPS. This is why I am trying COM port input. I could try
> with USB, but what port I should specify to GPSD? ttyUSB0 is from my
> USB-to-serial convertor, not USB.
Yes, if you want PPS then you really want the serial. Much more
accurate PPS.
But that detail really makes it even more likely you have a hardware
issue. That would explain the checksum errors and such.
RS-232 is ±12 Volts. Very few GPS output that. Most output 0 Volts to
3 Volts, which many serial inputs can not reliably handle. My guess is
you need a TTL to RS-232 leevel converter, like the MAX2323.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
address@hidden Tel:+1(541)382-8588
>
> Cheers, Askar
>
> 2015-04-22 0:23 GMT+03:00 Gary E. Miller <address@hidden>:
>
> > Yo Askar!
> >
> > On Tue, 21 Apr 2015 23:56:12 +0300
> > Askar Ibragimov <address@hidden> wrote:
> >
> > > So, I had to fight with u-blox a but, becase it for some reason
> > > did not saved the configuration. But I managed to set it up and
> > > confirm so that it sends NMEA at certain bit rate:
> >
> > My uBlox 6 on USB work fine. Your log looks to me like bad
> > hardware. The bad checksums and read errors tell me that.
> >
> > Is your uBlox plugged directly into a USB-2 port on your laptop or
> > motherboard?
> >
> > That means:
> > no hubs
> > no USB extension cords
> > no USB-3
> >
> > What version of Linux do you have?
> >
> > Have you tried a different mobo or laptop?
> >
> > RGDS
> > GARY
> > ---------------------------------------------------------------------------
> > Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR
> > 97701 address@hidden Tel:+1(541)382-8588
> >