Post mortem analysis ?
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Hello, after three month of 24/24 working my lopy4 (firmware 1.18) have stopped to send sigfox message. As i am far from board location (300km) i cannot know if it's a hardware failure or a software failure.
Lopy4 is fitted on a board i have designed powered on main supply and mainly do some bluetooth communication every 1min with several bluetooth sensor and every 15min send data collected by sigfox.Between two bluetooth scan period i do a machine.idle() call. I never call gc.collect() and i haven't started watchdog (may be on the next software update i will add it).
So my questions are :
-When i go to the board location, is there any way to know what happened prevously ? eg is there any way to have the last exeception trace that previously occurs ?
-What is the maximum time i can use for WDT instance can i do awdt = WDT(timeout=120000)or even better a
wdt = WDT(timeout=900000)that will permit me to refresh the watchdog after a sigfox send ?
-How can i have via REPL the last reset cause of the board to see if a watchdog reset or power failure occurs between last REPL connection time?Thanks for your ideas and feedbacks
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