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    Build-In 1Wire does not work!

    Official EVOK API
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    • K
      knebb2 last edited by

      Hi all,

      I have a Neuron M103 which has USB and a 1-wire interface.

      When I connect my sensors to the build-in port I do not find them. Connecting through a USB adapter works flawlessly!

      Any idea?
      I changed /etc/owfs.conf according to the device I am using. Disabled the FAKE device and tried to enable the i2c:

      #server: FAKE = DS18S20,DS2405
      
      # Setting for Neuron M103 
      server: device = /dev/i2c-1
      #
      # USB device: DS9490
      #server: usb = all
      

      Now when I do i2cdetect -l I get the correct one I used in above owfs.conf:

      i2c-1   i2c             bcm2835 I2C adapter                     I2C adapter
      

      Seems to be the bus is recognized properly:

      root@zentrale:/heizung/src# i2cdetect -y 1
           0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
      00:          -- -- -- -- -- -- -- -- -- -- -- -- --
      10: -- -- -- -- -- -- -- -- 18 -- -- -- -- -- -- --
      20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
      30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
      40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
      50: -- -- -- -- -- -- -- UU -- -- -- -- -- -- -- --
      60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- UU
      70: -- -- -- -- -- -- -- --
      

      Changing the device to i2c-1 in owfs.conf, restarting owfs and switching cable to Neuron port I do not get any device:

      root@zentrale:/heizung/src# owdir
      /bus.0
      /uncached
      /settings
      /system
      /statistics
      /structure
      /simultaneous
      /alarm
      

      Switching everything back to USB I get proper information:

      root@zentrale:/heizung/src# owdir
      /10.A224A3010800
      /10.520F86010800
      /10.1911A3010800
      /10.2720A3010800
      /28.301FF8030000
      /28.5AFFBD030000
      /28.8BF2BD030000
      /28.0FFCBD030000
      /28.FF0061711404
      /28.FFC4C5701404
      /28.FF92E8701404
      /28.FF8A5F711404
      /28.FFFAE9701404
      /28.FF66E8701404
      /28.FF56E9701404
      /28.FF7E11711404
      /28.FF6D90711404
      /28.FF7D12711404
      /26.29AB40010000
      /81.A08830000000
      /bus.0
      /uncached
      /settings
      /system
      /statistics
      /structure
      /simultaneous
      /alarm
      

      Any idea how to use the build-in i2c-1-wire-bus?

      Greetings

      /KNEBB

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