[wxsig] Another DS1904 question

[William Beals]

John:

Weird, I guess I made the modification, but never published it.  In addition
to the DS1994 I added DS2404 and DS1904.  Here is the updated timelog.asm
file.  It has been a while since I last assembled everything.  Are you able
to assemble on your end?  If not I'll need a day or two to get things
working again.

will

-----Original Message-----
From: John Vause [mailto:jdv at iglou.com] 
Sent: Friday, October 12, 2012 9:06 PM
To: TAPR Weather Station SIG Mailing List
Cc: William Beals
Subject: Re: [wxsig] Another DS1904 question

Will, I've searched the timelog.asm code that comes with the 1.16.1R source
code on your website and I can find no routine that searches for the 0x24
family code.

Is it possible you compiled the new routine into the 1.16.1R s19 file but
left it out of the 1.16.1R source code?

Just an FYI; I'm running the original T238 but that shouldn't matter in this
case. Also, I am altering and re-compiling your source code to support the
Bitson barometer sensor I've added to my weather station.

Attached is the timelog.asm source code from 1.16.1R that I downloaded from
your website.

On 10/11/2012 10:53 PM, William Beals wrote:
> John:
>
> Sorry for a delayed response.
>
> I dug into my code and found what I was looking for.  In timelog.asm I 
> look for family IDs of both 0x04 (DS1994) and 0x24 (DS1904).  The 
> T238+ should work with both.
>
> If not, let me know.
>
> will
>
> -----Original Message-----
> From:wxsig-bounces at tapr.org  [mailto:wxsig-bounces at tapr.org] On Behalf 
> Of Michael Seibel
> Sent: Tuesday, October 02, 2012 4:56 PM
> To: 'TAPR Weather Station SIG Mailing List'
> Subject: Re: [wxsig] Another DS1904 question
>
> John - I am heavily involved with the county for the next 48 hours - I 
> will respond when I get back. I do not want to give wrong information, 
> need my notes.
> Mike Seibel
>
> -----Original Message-----
> From:wxsig-bounces at tapr.org  [mailto:wxsig-bounces at tapr.org] On Behalf 
> Of John Vause
> Sent: Tuesday, October 02, 2012 12:42 PM
> To: TAPR Weather Station SIG Mailing List
> Subject: [wxsig] Another DS1904 question
>
> Sorry if this has been asked before but as my DS1994 has "expired" 
> does the 1.16.1R firmware support the DS1904 "Time in a can"  iButton?
>
> Looking at the "timelog.asm" code I can see where it searches for the
> DS1994 family code "$04" (04 hex)
> but according to Maxim's datasheet on the DS1904:
>       http://datasheets.maximintegrated.com/en/ds/DS1904.pdf
> the DS1904 family code is 24h (24hex).
>
> Do I need to "fix" the family code and re-compile to support the DS1904?
>
>
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-- 
*   My favorite law: The Law of Unintended Consequences   *
*                                -- John Vause            *
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*   worldview has absolutely nothing to do with natural   *
*   sciences or with the climate.                         *
*                            -- Czech Pres. Vaclav Klaus  *
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*                                                         *
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