Software that I have implemented a Watchdog with sets the WD interval (eg 3
sec) on start-up, and then turns it on. I then arrange to poll the WD every
second in the program. On a clean exit of the program the WD is then disabled,
allowing the PC o carry on running.
I have done this with various PCs running XP (most recently a DMP eBox), and
have done it with the RPi, and not caused any issues with corrupting files, OS,
etc.
Thanks all for input!
Mike
----- Reply message -----
From: "Ken Tait" <[email protected]>
To: "MinnowBoard Development and Community Discussion"
<[email protected]>
Subject: [MinnowBoard] MinnowBoard Turbot Watchdog
Date: Fri, Apr 8, 2016 22:38
Michael,
I agree with this assessment, I would not add any such capabilities to the
firmware, too many avenues for failure.
Any physical hardware watchdog needs to be able to be shut down by a hardware
jumper, otherwise debugging code is not possible...
I've encountered this issue many times in the past.
Sounds to me like you need a separate embedded cpu monitoring your problem and
have it push the reset button....Not most elegant, but clean and portable.
Ken
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