gmane.comp.file-systems.owfs.devel

Re: how to communicate 1-wire chip using w1d.c

Michael Markstaller — 2012-05-16T23:25:53

Am 16.05.2012 18:29, schrieb Ethan Xue:

Now, this isn't really related to owfs in any way.. And pretty old stuff.
If you don't insist on using the rather - let me call it "basic/maybe 
evolving" - kernel w1 driver my 5ct:
blacklist the w1 kernel-modules and get lucky using owfs ;)

Michael

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Re: Can't Install on Ubuntu

Colin Law — 2012-05-16T21:20:29

That should have been update, not upgrade.

Colin


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Re: Can't Install on Ubuntu

Mick Sulley — 2012-05-16T20:44:09

I really really don't understand this!  I just ran

     sudo apt-get upgrade

again so I could give you the output and there was much more output this 
time, so I ran

     sudo apt-get install owfs

and it has installed!  Could it be that I had a network problem and just 
couldn't connect to your server?  I have had a few network issues lately.

Thanks for your help anyway

Mick




On 16/05/12 21:13, Cyril Lavier wrote:

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Re: Can't Install on Ubuntu

Cyril Lavier — 2012-05-16T20:13:04

Hmm, quite strange.

What's the output of the "sudo apt-get update" command ?
I moved the repository (and all davromaniak.eu services) to a new
server, maybe there are some config files I didn't applied.
It's completely normal, as debian/ubuntu repositories doesn't work like
that.
Can you send me you server IP addresses in private, to search it in the
log files ?

Thanks.
Hi Mick.

I moved the owfs repository to another server, but I didn't changed anything

Re: Can't Install on Ubuntu

Michael Markstaller — 2012-05-16T18:20:15

It's upstream in current Ubuntu, just follow the Guide Paul put on
http://owfs.org/index.php?page=quickstart-guide

Michael

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Re: Sensors go Missing!

Matthias Lemke — 2012-05-16T18:10:03


On 16.05.2012 18:29, Michael Markstaller wrote:

ok, checked the cvs, no question left paul :)
added the patches here too. but "only" 45 sensors...



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Can't Install on Ubuntu

Mick Sulley — 2012-05-16T16:56:17

Just had a server disaster and I am trying to breath life into a 
backup.  Trying to install owfs, from my notes from last time -

edit /etc/apt/sources.list and add
     deb http://owfs.davromaniak.eu/ ubuntu natty
then run
     sudo apt-get upgrade
then run
     sudo apt-get install owfs

When I do that I get

mick< at >solar:/$ sudo apt-get install owfs
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package owfs
mick< at >solar:/$

Has it moved?  I can see the website http://owfs.davromaniak.eu but if I put

http://owfs.davromaniak.eu/ ubuntu natty

into my browser it says 404 Not Found

Can anyone help please?

Thanks
Mick

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Re: Sensors go Missing!

Michael Markstaller — 2012-05-16T16:29:37

Am 16.05.2012 04:49, schrieb Paul Alfille:

Thanks Paul, this is really great news.
I'm already running tests here and will report..

Michael


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how to communicate 1-wire chip using w1d.c

Ethan Xue — 2012-05-16T16:29:55

Hi,

I'm try to use w1d.c from http://www.ioremap.net/archive/w1/. According to
documation "w1.netlink", this program can "uses read/write/search commands
for all master/slave devices found on the bus.". I'm using w1-gpio as w1
master, and i can see the 64bit chip id though sysfs. After i run compiled
w1d, it prints nothing.

So, how to use this program? I can't get answer from its source code.

btw, I've compiled "netlink connector" support in my kernel.

Thanks.
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Re: Sensors go Missing!

Matthias Lemke — 2012-05-16T12:57:54

thanks paul, but this means only michaels workaround? or also his hint to
fix the usb reinitialisation?

regards

math



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Re: Sensors go Missing!

Steinar Midtskogen — 2012-05-16T07:00:26


Perhaps this is related to the problems that I reported a few years
ago, when I had a number of hubs, long wires and many sensors, which
over a few hours would go missing.  Restarting owserver made them come
back.  I eventually "fixed" this by replacing the 1-wire hubs with usb
hubs instead and 18 1-wire adapters, which was a good move anyway to
increase stability (i.e. one short on one run wont affect other runs)
and to increase speed/parallelism.

Anyway, I still have a couple of hubs left in other setups which
happen to be stable now after juggling a bit with owfs versions and
topology, but I dare not add sensors.  If owfs now is able to correct
these issues itself now, that's really great news!

Re: Sensors go Missing!

Roberto Spadim — 2012-05-16T03:26:42

=D very nice

2012/5/15 Paul Alfille <paul.alfille< at >gmail.com>

Re: Sensors go Missing!

Paul Alfille — 2012-05-16T02:49:23

Most of Michael's corrections are now in the CVS version. As soon as fully
tested, we'll make a new release.

Paul Alfille

On Tue, May 15, 2012 at 5:13 PM, Matthias Lemke <m< at >box.li> wrote:

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Re: Sensors go Missing!

Matthias Lemke — 2012-05-15T21:13:23


On 15.05.2012 22:55, Ivan Lisenkov wrote:

I cant believe, that knowbody has the knowhow to fix that.
As soon as i remember, Michael indicated some potential problem areas
(usb and others).


For me this is "just another way" todo it. But why not support the usb
busmaster in a correct way?


regards

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Re: Sensors go Missing!

Michael Markstaller — 2012-05-15T21:34:06

Well thats not perfectly right as I last pointed out here (including a partial workaround)
http://permalink.gmane.org/gmane.comp.file-systems.owfs.devel/9328
As it wasn't picked up yet I'll try it again in short words:
DS9490 are not getting initialized (right) with flexible speed SPU etc. after a reset-error occurs (which might be another problem and the source) and furtheron things simply go as wrong as it could when running the DS9490 with poweron-defaults. On anything that exceeds some test-setup on a desk.. 
That first point is pretty clear and can be seen easily by just adding the debug-output in ow_usb_msg.c from my patch. 

Michael
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Re: Sensors go Missing!

Mick Sulley — 2012-05-15T21:16:22

I use 4 channels on the hub at the moment, I have -

2 DS2406 + 2 temperature
2 DS2406 + 14 temperature
7 temperature
1 humidity DS2438

The temperatures are a mix of DS18S20 and DS18B20



On 15/05/12 21:55, Ivan Lisenkov wrote:
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Re: Sensors go Missing!

Ivan Lisenkov — 2012-05-15T20:55:35

Hi Mick,

Unfortunately, I have exactly the same problem here. Devices are missing
especially after some error occurs on a bus. Somebody believe that it is
owfs bug, but nobody knows how to fix it.
I tried to place some decoupling capacitors to reduce errors without great
luck. Now I just restart owserver every 3 hours and this makes my system
more stable.
Three is a thread here about construction USB - i2c - 1wire hub, but the
approach should be tested.

How many devices do you have on a bus?
On May 15, 2012 11:56 PM, "Mick Sulley" <mick< at >sulley.info> wrote:

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Re: Sensors go Missing!

Mick Sulley — 2012-05-15T19:56:06

Sorry, yes that is important info:)

Ubuntu 10.10 server
owfs version:     2.8p13
libow version:     2.8p13
DS9490R USB busmaster
Hobbyboards 6 channel hub

The problem sensors are all on the same channel, but is is not all of 
the sensors on that channel.

I used to use a DS9097U and don't remember seeing the problem then.  
That just packed up completely which is why I changed

Cheers
Mick

On 15/05/12 20:38, Michael Markstaller wrote:

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owserver getting slow when another IP/avahi islost

Michael Markstaller — 2012-05-15T19:43:46

Hi,

while testing around I found a "not so nice" behaviour of owserver (2.8p14):

Scenario:
- turn on owserver1 on box1 with --autoserver
- turn on owserver2 on box2 with --zero

-> All fine

- turn off (or shutdown or kill or disconnect) owserver2

-> from now on, every 'owdir' against owserver1 takes 6+ seconds, even long after the avahi-entry for owserver2 is gone until restarting owserver1.

Michael
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Re: Sensors go Missing!

Michael Markstaller — 2012-05-15T19:38:51

Which version, plattform and busmaster do you use?
Unfortunately this is hourly "normal" here..

Michael
________________________________________
Von: Mick Sulley [mick< at >sulley.info]
Gesendet: Dienstag, 15. Mai 2012 16:02
Bis: Owfs
Betreff: [Owfs-developers] Sensors go Missing!

Hi,

I occasionally get a sensor, or sometimes 2 or 3, that 'go missing'!  I
scan all of them 2 - 3 times per minute and at the moment there is one
that has not been read for 12 hours.  It is a DS18S20.  If I look at
directories I can see its directory, and read all of the files, address,
alias, etc except for temperature, when I try it returns 'Could not open
the file' 'Unexpected error: Unknown reason'

I have tried both the normal and uncached with the same result.  All
sensors are powered.  I saw it happen with 3 sensors a couple of weeks
back, out for a couple of days and then they came back again.

Any ideas what can cause this?

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Sensors go Missing!

Mick Sulley — 2012-05-15T14:02:42

Hi,

I occasionally get a sensor, or sometimes 2 or 3, that 'go missing'!  I 
scan all of them 2 - 3 times per minute and at the moment there is one 
that has not been read for 12 hours.  It is a DS18S20.  If I look at 
directories I can see its directory, and read all of the files, address, 
alias, etc except for temperature, when I try it returns 'Could not open 
the file' 'Unexpected error: Unknown reason'

I have tried both the normal and uncached with the same result.  All 
sensors are powered.  I saw it happen with 3 sensors a couple of weeks 
back, out for a couple of days and then they came back again.

Any ideas what can cause this?

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