Re: [Thumbgps-devel] Build vs. modify vs. what should we be doing anyway?

[Chris Kuethe <chris.kuethe@gmail.com>]

On Mon, Mar 12, 2012 at 20:04, Dave Taht <dave.taht@gmail.com> wrote:
> On Mon, Mar 12, 2012 at 8:00 PM, Ron Frazier (NTP)
> <timekeepingntplist@c3energy.com> wrote:
>> Add a "bios reset" button like many modern PC motherboards have.
>>
>> By the way, if anything on this design uses firmware programmable
>> components, it should be field upgradable / flashable, preferably from a
>> memory stick or sd card.
>
> hmm.. Anyone know anything about this puppy?
>
> http://www.u-blox.com/en/gps-chips/timing-a-raw-data-chip/ubx-g6010-st-tm.html

Well, if it's anything like other ublox receivers it'll be pretty good
for timing.

I'm glad we still have docs for earlier devices: "The UBX-G6010-ST
Data Sheet, Hardware Integration Manual, and Receiver Description
Including Protocol Specification require an NDA and can be obtained by
contacting u-blox"

>> Sincerely,
>>
>> Ron
>>
>>
>> On 3/12/2012 10:42 PM, Chris Kuethe wrote:
>>>
>>> On Mon, Mar 12, 2012 at 19:38, Ron Frazier (NTP)
>>> <timekeepingntplist@c3energy.com>  wrote:
>>>
>>>>
>>>> I think configuration data should be stored in flash.  That way extended
>>>> power off periods are not a problem.
>>>>
>>>> My BU-353 has a supercap.  That's better than a battery that I might have
>>>> to
>>>> replace, or possibly couldn't replace.  But I don't like knowing that, if
>>>> I
>>>> unplug it for a week, I'm going to have to reprogram it.
>>>>
>>>
>>> See, I wouldn't mind losing the config after a few hours without
>>> power. At least that way you have a way to reset the serial port when
>>> it gets hopelessly confused - a situation known to gpsd as the
>>> bluetooth problem.
>>>
>>>
>>>>
>>>> Sincerely,
>>>>
>>>> Ron
>>>>
>>>>
>>>> On 3/12/2012 7:01 PM, Dave Taht wrote:
>>>>
>>>>>
>>>>> I like the supercap idea more than the battery idea. I imagine (and I
>>>>> may be wrong) - that that will have a longer field lifetime than a
>>>>> battery could.
>>>>>
>>>>>
>>>>>
>>
>>
>> --
>>
>> (PS - If you email me and don't get a quick response, don't be concerned.
>> I get about 300 emails per day from alternate energy mailing lists and
>> such.  I don't always see new messages very quickly.  If you need a
>> reply and have not heard from me in 1 - 2 weeks, send your message again.)
>>
>> Ron Frazier
>> timekeepingdude AT c3energy.com
>>
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>
>
>
> --
> Dave Täht
> SKYPE: davetaht
> US Tel: 1-239-829-5608
> http://www.bufferbloat.net
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