'RE: [Owfs-developers] OWFS device support'

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List:       owfs-developers
Subject:    RE: [Owfs-developers] OWFS device support
From:       "Alfille, Paul H.,M.D." <PALFILLE () PARTNERS ! ORG>
Date:       2005-04-22 14:30:39
Message-ID: 8621C76E238C054BB979C17F5DD7FD4F1636BF () PHSXMB19 ! partners ! org
[Download RAW message or body]

By the way, if you are just looking to have remote 1-wire, any scheme (like the
Linksys WRT54G wireless router) that has a small embedded linux box will do the
trick. Netwrok traffic and robustness will also improve.

I guess we could also support the LINK ascii protocol.

Paul

-----Original Message-----
From: owfs-developers-admin@lists.sourceforge.net
[mailto:owfs-developers-admin@lists.sourceforge.net]On Behalf Of
jimcan@cox.net
Sent: Friday, April 22, 2005 10:06 AM
To: Owfs-developers@lists.sourceforge.net
Subject: RE: [Owfs-developers] OWFS device support


Ya, it's unfortunate isn't it.   Check out this link:

http://www.stallion.com.au/html/download/es2-utilities.html

I talked to lantronix (ibutton linkhubE uses their chip) a while ago about
making their product work in Linux. I also have a newer version of the code.
One of the techs over there was kind enough to give it to me if anyone is
interested.

Jim

| -----Original Message-----
| From: owfs-developers-admin@lists.sourceforge.net
| [mailto:owfs-developers-admin@lists.sourceforge.net] On Behalf Of Paul 
| Alfille
| Sent: Thursday, April 21, 2005 9:34 PM
| To: owfs-developers@lists.sourceforge.net
| Subject: Re: [Owfs-developers] OWFS device support
| 
| On Thursday 21 April 2005 10:13 pm, Marcus Babzien wrote:
| > Hello Paul,
| > 	I'm just getting started with OWFS, and it's really a
| great package.  
| > I've  tried it successfully with the iButton.com LinkHub
| devices, and
| > now I'd like to try to get the LinkHubE (ethernet version)
| working.  I
| > know there is no native support in OWFS for ethernet
| devices, so I'm
| > using ttyd to
| I looked at the iButtonlink.com website and found no information on 
| the LinkHubE protocol. The only software was a windows binary. Perhaps 
| they might offer protocol information or sample code? Would you ask? 
| It would seem to expand their market.
| 
| > create a "virtual" serial port for OWFS to connect to.  ttyd then 
| > sends the serial port traffic out to the LinkHubE via a telnet 
| > connection.  At the LinkHubE side, this gets sent to a local serial 
| > port with a LinkHub attached.  I have been able to telnet into the 
| > LinkHubE from a terminal window and  successfully read the
| temperature
| > from an 18S20.  I can also see the traffic getting forwarded to the 
| > telnet port when owhttpd starts up, but I
| ttyd looks like a great utility. I hadn't seen it before, and it 
| doesn't seem to be included with SUSE. The only reference I could find 
| was http://www.sena.com/download/manual/manual_ttyd_v1.0.0.pdf
| 
| When you talked to the LinkHubE, did you use the ascii commands? They 
| may be easier than the raw 9097 protocol that depends on timing and 
| baud rate changes for the break. In fact, we could use the LINK's 
| ascii break instead of the 9097s.
| 
| I wonder if you could test ttyd for the 9097U? Even on the same 
| machine.
| 
| > don't get any temperature readings back, only a recognized adapter 
| > type 9097U, and some errors.  I guess that owhttpd does not use the 
| > ascii mode of the Link, and therefore is not appropriate to
| redirect
| > through a telnet session.  I was wondering if you had any
| suggestions
| > on whether or not the ethernet model LinkHub could be made to work 
| > with the existing version of owhttpd? Thanks, Marcus
| If you are willing to help, I'm sure we can. Our strategy should be:
| 1. Ask ibuttonlink for details of the protocol.
| 2. Use ttyd with ascii mode. (Or a mixed ascii/9907U protocol.
| 3. snoop the communication on the net.
| 
| Paul Alfille
| 
| >
| >
| > --
| > Mr. Marcus Babzien
| 
| 
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