Re: gpsd autobaud and cpu usage

[Gary E. Miller]

Yo Paul!

On Sat, 26 Sep 2020 09:33:00 +0300
Paul Fertser <fercerpav@gmail.com> wrote:

> Hey Gary!
> 
> On Fri, Sep 25, 2020 at 05:40:29PM -0700, Gary E. Miller wrote:
> > 8 speeds, times 2 seconds per test, times 3 parity (E, N, O) times
> > 1 stop bits (0, 1, 2).  
> 
> Is there any UART hardware that's really using anything but 1 stop bit
> _by default_?

They do exist, and support is required.

> Also, since you have plenty of experience with different receivers,
> can you tell what parity is more common, even or odd (my guess it's
> odd)?

8N1 is most common.  gpsd has to support them all.

The one thing you learn with gpsd is that more than a few people are
doing things you never imagined with it.

Talk is cheap, send patches and benchmarks.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

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    "If you can't measure it, you can't improve it." - Lord Kelvin

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