[wxsig] Another DS1904 question

[John Vause]

Compiling the source code isn't a problem; I found my old copy of the 
PEMicro development
(great fun, poking around the backup files of a long dead file server 
and trying to relearn software
I haven't messed with for about 12 years) software and have
compiled a firmware version to support the Bitson barometer sensor.
At least CWOP seems to think I have, anyway. <GRIN>

I'll order a DS1904 and recompile with the Timelog.asm code you sent me.
I'll let you know how it all works out.

On 10/14/2012 6:13 PM, William Beals wrote:
> 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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>>
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>
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-- 
*   My favorite law: The Law of Unintended Consequences   *
*                                -- John Vause            *
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*   sciences or with the climate.                         *
*                            -- Czech Pres. Vaclav Klaus  *
*   You can fool yourself if you want, and you can fool   *
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*   away with it. But you can't fool reality.             *
*   - James P. Hogan in "Kicking The Sacred Cow"          *
*                                                         *
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*   prepare for war.                                      *



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Checked by AVG - www.avg.com
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