[wxsig] Whither DS1994L?

[sbm at ottix.net]

Will,

 	Apologies, just catching up myself.  Yes, I can give this a shot. 
I have a second T238 I can try this on, now I just need to find the 
button-rj-45 adapter and I'm ready.

On Fri, 6 Aug 2010, William Beals wrote:

> Bill:
>
> As mentioned yesterday, I am catching up on some very old emails...
>
> I have coded up the support for the DS1904 (it did turn out to be different
> than the DS1994) and have it running.  I am temporarily without a weather
> station due to moving home offices, so if you'd like to give it a try as a
> second set of eyes before it goes to a wider audience, let me know.
>
> will
>
> -----Original Message-----
> From: wxsig-bounces at tapr.org [mailto:wxsig-bounces at tapr.org] On Behalf Of
> sbm at ottix.net
> Sent: Sunday, April 04, 2010 1:14 PM
> To: TAPR Weather Station SIG Mailing List
> Subject: Re: [wxsig] Whither DS1994L?
>
>
> Greetings folks,
> 	Another spring arrives, and a very nice weekend too to boot!.  I
> was cleaing some of the components when this little thing about time cross
> my mind again....so I thought I'd also kick off the solder season by
> saying I have me another on of these fine devices...but whatever happened
> to the 1904 ...?
>
>
> On Sat, 16 May 2009, William Beals wrote:
>
>> Will:
>>
>> Good news is that the core method of determining the time is the same
>> between the two devices. It is simply a 32-bit counter that increments
> every
>> second and they assume you set the time to "Unix time" which is the number
>> of seconds since midnight 1/1/1970.
>>
>> Not-so-good news is that everything else is different.  A different family
>> ID, and different internal addressing to get to that counter.
>>
>> So, code changes are required to support the DS1904, but only to get the
>> data, the other 95% of the code to convert that counter value to a
> date/time
>> should not need modifying.
>>
>> I tried placing a sample order for one and will see if I get it.  The
> reply
>> email said it needed "Business manager approval", so not-so-sure yet.
>>
>> will
>>
>> -----Original Message-----
>> From: wxsig-bounces at tapr.org [mailto:wxsig-bounces at tapr.org] On Behalf Of
>> Will
>> Sent: Saturday, May 16, 2009 8:25 AM
>> To: TAPR Weather Station SIG Mailing List
>> Subject: Re: [wxsig] Whither DS1994L?
>>
>>
>> On Fri, 15 May 2009, William Beals wrote:
>>
>>> Bill:
>>>
>>> I've been busy protesting home land valuations the past three days, a
>>
>> Gee!  You too?!  I guess all governments follow the same fads....
>>
>>> bi-annual ritual here in Colorado!  Let me look up the DS1994L and see if
>>> Dallas/Maxim did "the right thing" and made the DS1904L
>> backwards-compatible
>>> with the original DS1994--at least within the context that I care about.
>>
>> Great thanks.  If needed, I can be a guinea pig.  Hmm.  Maybe I should get
>> another kit.....
>>
>>>
>>> will
>>>
>>> -----Original Message-----
>>> From: wxsig-bounces at tapr.org [mailto:wxsig-bounces at tapr.org] On Behalf Of
>>> Will
>>> Sent: Thursday, May 14, 2009 6:04 PM
>>> To: wxsig at tapr.org
>>> Subject: [wxsig] Whither DS1994L?
>>>
>>>
>>> Hi all,
>>>
>>> 	So I've had my T238+ for a while no, and finally have come around
>>> to giving it a good home (more like a recycled junction box).  I've been
>>> following discussions on and of for a year now, and decided to take the
>>> plunge with the X1W kits as well.  (too bad one of the kits is no longer
>>> available).
>>>
>>> 	So here's the question:  I tracked down the discussion related to
>>> the DS1994L.  Now, just the other day I thought I had seen several
> hundred
>>> available on the Maxim shop.  Oh goodie I thought.  The next day...oh no,
>>> no longer made.  Alright, I guess I was dreaming!  So now it looks like
>>> the 1904L is it.  I caught a thread fragment on this SIG about maybe
>>> possibly supporting the successor device.  This still on track?
>>>
>>> Thanks,
>>>
>>> Bill
>>>
>>> _______________________________________________
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>>>
>>>
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>>
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