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List: owfs-developers
Subject: Re: [Owfs-developers] thermocouple device
From: "Paul Alfille" <paul.alfille () gmail ! com>
Date: 2007-01-31 14:04:02
Message-ID: 1479fb020701310604i4230266bkd33d8ea0588535b6 () mail ! gmail ! com
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There have been reports and testing of the DS2760 thrmocouples:
http://article.gmane.org/gmane.comp.file-systems.owfs.devel/2180
http://article.gmane.org/gmane.comp.file-systems.owfs.devel/93
The datasheet for the AAG thermocouple at
http://www.aagelectronica.com/pdf%20docs/Thermocouple(TAI8560).pdf
Looks pretty close to the circuit shown in
http://www.owfs.org/index.php?page=thermocouples
So the questions are:
1. Do the prior tested designs still work?
2. Is the AAG model different. (There is example code to compare in Delphi
and Java).
When you use the devices, do you see the normal DS2760 values? Temperature,
vis, etc?That would be helpful is tracking this down.
Paul Alfille
On 1/31/07, Lorenz Drack <drack@bigfoot.com> wrote:
>
> Has anyone had any experience with the DS2760 based 1-wire AAG
> thermocouple device?
> I have 4 of them and can get none to work with owfs - ie. they all give
> "Error: Invalid argument" errors on all outputs
> yet they all work with ddeview. The rest of my network works well with
> owfs.
> thanks
> Lorenz
>
> -----Original Message-----
> *From:* owfs-developers-bounces@lists.sourceforge.net [mailto:
> owfs-developers-bounces@lists.sourceforge.net] *On Behalf Of *Paul Alfille
> *Sent:* Wednesday, 31 January 2007 11:01 PM
> *To:* owfs-developers@lists.sourceforge.net
> *Subject:* Re: [Owfs-developers] Creating owlua...
>
> If by path you mean something like "/10.23AD234523/temperature" the answer
> is simple:
> You use "get" for the root path ("/" or actually just "") and build from
> there.
>
> The explanations for what devices support what properties, their format,
> function, measurement units, etc is in the man files. That is
> domain-specific information that the user must know indep[endently (though
> we'endeavored to make function pretty transparent, and must data is returned
> as straight ascii characters.)
>
> Paul Alfille
>
> On 1/31/07, Matthew Percival <matthew@capgo.com> wrote:
> >
> > G'Day,
> >
> > I have been trying to create a owlua using owcapi as a
> > basis. As far
> > as this is concerned, it has been a success --- I have an exact
> > equivalent to owcapi that can now be used from Lua. I just cannot make
> > any use of it! I can use the OW_init() and OW_finish() equivalent
> > functions without any trouble, but I cannot for the life of me work out
> > how to use put/get. In both cases I need to provide a path, and this is
> >
> > where it feels like I am missing a function or two.
> >
> > How does a person writing their Lua script know what path is
> > needed?
> > Presumably they would need to call a function that tells them the
> > relevant paths or something. For that matter, what devices are
> > available and what can we do with them?
> >
> > I have been trying to work these things out from the source
> > code, but I
> > am just going around in circles. I have a C library written similar to
> > owcapi that allows people to access the 1-Wire net from Lua, but no idea
> >
> > how to make any practical application of this. Can anyone direct me on
> > where to find the answers to this?
> >
> > Thanks,
> >
> > Matthew
> >
> >
> > -------------------------------------------------------------------------
> >
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> > _______________________________________________
> > Owfs-developers mailing list
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> > https://lists.sourceforge.net/lists/listinfo/owfs-developers
> >
>
>
> -------------------------------------------------------------------------
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[Attachment #5 (text/html)]
There have been reports and testing of the DS2760 thrmocouples:<br>
<a href="http://article.gmane.org/gmane.comp.file-systems.owfs.devel/2180">http://article.gmane.org/gmane.comp.file-systems.owfs.devel/2180</a><br>
<a href="http://article.gmane.org/gmane.comp.file-systems.owfs.devel/93">http://article.gmane.org/gmane.comp.file-systems.owfs.devel/93</a><br>
<br>
The datasheet for the AAG thermocouple at <a \
href="http://www.aagelectronica.com/pdf%20docs/Thermocouple(TAI8560).pdf">http://www.aagelectronica.com/pdf%20docs/Thermocouple(TAI8560).pdf</a><br>
Looks pretty close to the circuit shown in <a \
href="http://www.owfs.org/index.php?page=thermocouples">http://www.owfs.org/index.php?page=thermocouples</a><br>
<br>
So the questions are:<br>
1. Do the prior tested designs still work?<br>
2. Is the AAG model different. (There is example code to compare in Delphi and \
Java).<br> <br>
When you use the devices, do you see the normal DS2760 values?
Temperature, vis, etc?That would be helpful is tracking this down.<br>
<br>
Paul Alfille<br><br><div><span class="gmail_quote">On 1/31/07, <b \
class="gmail_sendername">Lorenz Drack</b> <<a \
href="mailto:drack@bigfoot.com">drack@bigfoot.com</a>> wrote:</span><blockquote \
class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt \
0pt 0.8ex; padding-left: 1ex;">
<div>
<div><span><font color="#0000ff" face="Arial" size="2">Has
anyone had any experience with the DS2760 based 1-wire AAG thermocouple
device? </font></span></div>
<div><span><font color="#0000ff" face="Arial" size="2">I have
4 of them and can get none to work with owfs - ie. they all give "Error: Invalid \
argument" errors on all outputs</font></span></div>
<div><span><font color="#0000ff" face="Arial" size="2">yet
they all work with ddeview. The rest of my network works well with
owfs.</font></span></div>
<div><span><font color="#0000ff" face="Arial" size="2">thanks</font></span></div>
<div><span><font color="#0000ff" face="Arial" size="2">Lorenz</font></span></div>
<blockquote style="margin-right: 0px;">
<div></div>
<div align="left" dir="ltr" lang="en-us"><font face="Tahoma" size="2">-----Original \
Message-----<br><b>From:</b> <a \
href="mailto:owfs-developers-bounces@lists.sourceforge.net" target="_blank" \
onclick="return top.js.OpenExtLink(window,event,this)">owfs-developers-bounces@lists.sourceforge.net</a> \
[mailto:<a href="mailto:owfs-developers-bounces@lists.sourceforge.net" \
target="_blank" onclick="return \
top.js.OpenExtLink(window,event,this)">owfs-developers-bounces@lists.sourceforge.net</a>] \
<b>On Behalf Of </b>Paul Alfille<br><b>Sent:</b> Wednesday, 31 January 2007 11:01
PM<br><b>To:</b> <a href="mailto:owfs-developers@lists.sourceforge.net" \
target="_blank" onclick="return \
top.js.OpenExtLink(window,event,this)">owfs-developers@lists.sourceforge.net</a><br><b>Subject:</b> \
Re: [Owfs-developers] Creating owlua...<br><br></font></div>If by path you mean
something like "/10.23AD234523/temperature" the answer is simple:<br>You \
use "get" for the root path ("/" or actually just \
"") and build from there.<br><br>The explanations for what devices \
support what properties, their format, function, measurement units, etc is in the \
man files. That is domain-specific information that the user must know \
indep[endently (though we'endeavored to make function pretty transparent, and \
must data is returned as straight ascii characters.)<br><br>Paul Alfille<br><br>
<div><span class="gmail_quote">On 1/31/07, <b class="gmail_sendername">Matthew
Percival</b> <<a href="mailto:matthew@capgo.com" target="_blank" onclick="return \
top.js.OpenExtLink(window,event,this)">matthew@capgo.com</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); \
margin: 0pt 0pt 0pt 0.8ex; padding-left: \
1ex;">G'Day,<br><br> I have been \
trying to create a owlua using owcapi as a basis. As far<br>as this is \
concerned, it has been a success --- I have an exact<br>equivalent to owcapi that \
can now be used from Lua. I just cannot make <br>any use of \
it! I can use the OW_init() and OW_finish() equivalent<br>functions \
without any trouble, but I cannot for the life of me work out<br>how to use \
put/get. In both cases I need to provide a path, and this is <br>where \
it feels like I am missing a function or \
two.<br><br> How does a person \
writing their Lua script know what path is needed?<br>Presumably they would need to \
call a function that tells them the<br>relevant paths or something. For \
that matter, what devices are <br>available and what can we do with
them?<br><br> I have been
trying to work these things out from the source code, but I<br>am just going
around in circles. I have a C library written similar
to<br>owcapi that allows people to access the 1-Wire net from Lua, but no
idea <br>how to make any practical application of this. Can
anyone direct me on<br>where to find the answers to
this?<br><br> Thanks,<br><br> \
Matthew<br><br><br>------------------------------------------------------------------------- \
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</a><br></blockquote></div><br></blockquote></div>
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