Are you using them with passive power (powered by the 1-wire line)? If so,
possibly you connected the VCC pin wrong (I did that once and got the same
behaviour).
/Marc
Op 12 jun. 2013 12:31 schreef "Mick Sulley" <m...@sulley.info> het volgende:
> i am extending my network, adding 3 temperature sensors and I wanted to
> test the wiring before I actually connect them to my live system. I
> installed owfs on my laptop and used a spare DS9490R USB adapter to
> connect to the new sensors. This is what I see at the terminal
>
> mick@mick-deb-laptop:/opt/owfs/bin$ sudo ./owfs -u -m /var/1-wire/mnt/
> --nozero --allow_other
> DEFAULT: ow_usb_msg.c:(295) Opened USB DS9490 bus master at 2:3.
> DEFAULT: ow_usb_cycle.c:(191) Set DS9490 2:3 unique id to 81 8C 7E 30 00
> 00 00 BA
> mick@mick-deb-laptop:/opt/owfs/bin$
>
> That all looks OK, but when I look at the directory in Nautilus I see
> everything as expected, but when I double click the 'temperature'
> register for example, I get an error
>
> The folder contents could not be displayed.
> Sorry, could not display all the contents of "temperature": Not a
> directory
>
> But if I move to the sensor directory in a terminal and cat temperature
> it works!
> mick@mick-deb-laptop:/var/1-wire/mnt/28.C33A7A020000$ cat temperature
> 21.25mick@mick-deb-laptop:/var/1-wire/mnt/28.C33A7A020000$
>
> From what I have seen I suspect that my new sensors and wiring are OK
> and the problem is with my laptop, but I would be much happier if I knew
> exactly what the problem is. Any idea what is wrong here?
>
> Thanks
> Mick
>
>
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