I have a number of DS2406's that are sequenced by a bash script. The script
waits for a pushbutton input sensed from a DS2405 and then simply sequences
the DS2406's. Turns one on for maybe 30 minutes then turns another on for
another 30 minutes. Easy stuff and has been running for years.
Today the three DS2406's turned on/off every 2-3 seconds, They simply just
cycled on/off all day. My wife did try and call me however never got the
message so 6 hours later I get home. I looked through owhttp and everything
seemed fine, I could not see the PIO or Sense changing using the uncached
display, checked for at least 1 minute with constant explorer refreshes. I
tried to change the PIO state to force one of the DS2406 outputs on however
the output was still cycling. I then disconnected the 1wire connection
into the USB adapter and sure enough the cycling stopped. I plugged the
1wire cable back into the USB adapter and everything seemed fine. No
DS2406's cycling and I could see everything back in owhttp. I then
triggered the DS2405 (input pushbutton) that starts the sequencing script
and sure enough it worked perfectly. Thus as my script started the output
sequences as normal, it means my script had not been running previously and
was still just waiting to sense my pushbutton input.
The setup has been running for years. So OK whats changed in my setup...
In the last 2 months I have replaced the USB adapter
In the last 4 weeks I have added a hobby boards hub to a second USB adapter
(the DS2405 or 06 are still connected to the original USB adapter and no
1wire network changes).
In the last 10 days I have upgraded to owfs 2 .7p29
I also have a BAE0910 connected to P1 of the hub however do not even poll
any parameters at the moment.
I have not changed any scripts on the server.
Everything seems OK now (just by unplugging and plugging back in the 1wire
connection to the USB), however just thought I would post this in case
someone else experiences a similar behavior.
rob
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