Thomas,
Thanks for the suggestions, I'll try that . The version I use is actually 0.18rc5 and I thought that was the latest. I'll try your suggestion of running as root (actually I thought I did that). Nevertheless I tried that but that didn't work.
Suggestion 3 I will try in a moment.
Joep
On 07/08/16 23:53, Thomas Keffer wrote:
A few suggestions:

1. Could be a permissions problem. Did you try running as root?

2. The te923 driver has moved on since v3.5.0. Try the current version <https://raw.githubusercontent.com/weewx/weewx/master/bin/weewx/drivers/te923.py>.

3. Try the diagnostic program included with the driver:

    cd /home/weewx/bin
    PYTHONPATH=. ./weewx/drivers/te923.py --help


-tk


On Sun, Aug 7, 2016 at 2:38 PM, J.L. Blom <[email protected] <mailto:[email protected]>> wrote:

    On 07/08/16 17:37, vince wrote:

        On Sunday, August 7, 2016 at 8:28:55 AM UTC-7, Joep L. Blom wrote:

            Thanks for your reply. No, I have no instance of weewx
        running. The
            peculiar thing is that weewx simply won't start. I would
        like to
            trace
            everything from the start of the command:"sudo service weewx
            start" but
            I have forgotten which tools I have to use and the time is
        becomming
            very short or I will loose weeks of data.


        You shouldn't lose data if it's in the weewx database from
        before you started unplugging and moving hardware around.

            te923: Found device on USB bus=001
            device=005
            Aug  7 08:37:17 kangoo weewx[695]: te923: read: address
        0x0000fc
            Aug  7 08:37:19 kangoo weewx[695]: engine: Unable to load
        driver:
            Connection timed out
            Aug  7 08:37:19 kangoo weewx[695]:     **** Exiting...


        That looks to me like weewx is unable to talk to the weather
        station hardware.   Did you power everything down before
        plugging it back in ?  Did you ensure that whatever you
        plugged in was connected well before powering up the pi ?

        It's pretty hard to work these things remotely, but in general
        whenever you start unplugging/plugging hardware in that's a
        good place to start debugging....


    Thanks for your reply. Yes I did that several times but it will
    not start up. Both methods have the same effect. Mysterious for me
    is the syslog entry \

    10:45:40 kangoo systemd[1]: Started LSB: weewx weather system.

    Vince,
    Thanks for your reply. Well, the fact that the device is found on
    USB bus-001 says that the device is connected and the fact that it
    knows which driver to load indicates, in my opinion, that it knows
    which driver to use. However. the fact that it says "unable to
    load driver" can mean that the driver is not found but how can it
    read address 0x0000fc? But maybe mysteriously has between the
    unplugging and connecting of the device the driver mysteriously
    disappeared?
    However, it is still in /home/weewx/bin/drivers/te923.py so I
    don't think that is the reason.
    In short I am stumped.
    Joep


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