Hi,
I had similar problem anlso with DS9490 and the lcd controller from Louis
Swart years ago.
I solved this by using the following option when starting owfs daemon:
* owhttpd -u --usb_regulartime *
Hope this helps.
Pascal
2013/12/12 Bernd Lamparter <bernd.lampar...@web.de>
> Vajik,
>
> I have now owserver on the very same machine as OneWireViewer and it just
> shows the 81.xxx, no FF.yyy.
> So no hardware changes at all between the trials, just booting Windows and
> OneWireViewer shows an FF.yyy entry, then reboot into Linux and owserver
> only sees the 81.xxx in /uncached.
>
> Bernd
>
>
> *Gesendet:* Donnerstag, 12. Dezember 2013 um 21:11 Uhr
> *Von:* "Bernd Lamparter" <bernd.lampar...@web.de>
>
> *An:* "OWFS (One-wire file system) discussion and help" <
> owfs-developers@lists.sourceforge.net>
> *Betreff:* Re: [Owfs-developers] LCD-Display controller from Louis Swart
> does not show up
> looking at the LCD controller pin5 and pin 6 are not connected on the
> board. Measuring of the DS2450R output shows 5V between 1 and 2. Also on
> the device 2 and 4 are connected, both are GND.
> If you think it makes sense I can also install owfs on the windows-PC as
> it is Dual-Boot with Linux.
>
> Bernd
>
>
> *Gesendet:* Donnerstag, 12. Dezember 2013 um 20:35 Uhr
> *Von:* "Vajk Fekete" <vaj...@gmail.com>
> *An:* "OWFS (One-wire file system) discussion and help" <
> owfs-developers@lists.sourceforge.net>
> *Betreff:* Re: [Owfs-developers] LCD-Display controller from Louis Swart
> does not show up
> To me datasheet says pin1 is +5V and pin6 is gnd
>
> There can be huge differences in the power capabilities of usb ports on
> different machines, that's why I am insisting on power.
>
> Vajk
>
> On Thu, Dec 12, 2013 at 7:38 PM, Bernd Lamparter
> <bernd.lampar...@web.de>wrote:
>>
>> Hi Vajk,
>>
>> in the second scenario I connected 5Volt DC with +5V and GND of the LCD
>> controller, i.e. pin 1 and 2.
>> In both scenarios (with power from the DS2450R and with extra power
>> supply) the windows/OneWireViewer works, the Linux/OWserver doesn't.
>> The only hardware difference is in the different PCs, i.e. I unplug the
>> DS2450R from the Windows-PC and plug it into the Linux-PC. There is no
>> difference in the 1-Wire setup.
>>
>> Ciao,
>> Bernd
>>
>>
>> *Gesendet:* Donnerstag, 12. Dezember 2013 um 18:49 Uhr
>> *Von:* "Vajk Fekete" <vaj...@gmail.com>
>> *An:* "OWFS (One-wire file system) discussion and help" <
>> owfs-developers@lists.sourceforge.net>
>> *Betreff:* Re: [Owfs-developers] LCD-Display controller from Louis Swart
>> does not show up
>> we still cannot rule out the difference is in hardware.
>> when you say use an additional power supply, what do you mean by that?
>> did you connect a dc5v power supply to the gnd an +5v pins of the lcd unit?
>>
>> Vajk
>>
>>
>> On Thu, Dec 12, 2013 at 6:26 PM, Bernd Lamparter
>> <bernd.lampar...@web.de>wrote:
>>>
>>> Hi Jan,
>>>
>>> let me describe what I'm doing and what is happening:
>>> 1. Connect DS9490R to the LCD controller with a RJ12. (Before I checked
>>> that all wires are connected through)
>>>
>>> 2. Put this into the windows laptop, start oneWireViewer and see both
>>> devices listed. I can't do anything more with this software, it just shows
>>> both devices, the 81.xxx and the FF.yyy
>>>
>>> 3. Pull out the combination and put it into the Linux-PC (or the
>>> raspberryPi) instead. Start owserver -u and see only the 81.xxx when
>>> performing owdir /uncached.
>>>
>>> Because I heard that power supply of the LCD controller might be
>>> problematic. So I performed the same 3 steps with additional power supply
>>> with the exact same result.
>>>
>>> Conclusion:
>>> Both devices work with OneWireViewer, only te 81.xxx is recognized by
>>> owserver.
>>> Could there be a timiing problem? I'm trying to debug, but it is very
>>> difficult to find out on which function I have to look. It must be
>>> somewhere in ow_dir.c
>>>
>>> Ciao,
>>> Bernd
>>>
>>>
>>> *Gesendet:* Donnerstag, 12. Dezember 2013 um 15:35 Uhr
>>> *Von:* "Jan Kandziora" <j...@gmx.de>
>>> *An:* "OWFS (One-wire file system) discussion and help" <
>>> owfs-developers@lists.sourceforge.net>
>>> *Betreff:* Re: [Owfs-developers] LCD-Display controller from Louis
>>> Swart does not show up
>>> Am 12.12.2013 00:02, schrieb Bernd Lamparter:
>>> > It shows the adapter:81.D7BB30000000. Currently I don't have other
>>> 1-wire
>>> > devices connected.
>>> >
>>> That tells nothing. To check what's wrong, it's important to connect the
>>> LCD controller, then read /uncached. When the 81.xxxx in the DS9490R
>>> magically disappears when connecting the LCD controller, you have a
>>> power or cabling problem.
>>>
>>> Kind regards
>>>
>>> Jan
>>>
>>>
>>>
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>>
>>
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>
>
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