Wdt For Lp-22Xx And Lp-52Xx - ICP DAS USA LP-22 Series User Manual

6.3.2. WDT for LP-22xx and LP-52xx

To Enable WDT working status, there are two steps to this process, which are described below.
(1) Refresh WDT source.
# echo timer > /sys/class/leds/beaglebone::wdt/trigger
(2) Enable WDT.
# echo 0 > /proc/hmistat/radiopower
To Disable WDT working status, there are two steps to this process, which are described below.
(1) Disable WDT.
# echo 1 > /proc/hmistat/radiopower
(2) Clear WDT refresh source.
# echo none > /sys/class/leds/beaglebone::wdt/trigger
AM335X-PAC Series User Manual
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//Refresh WDT
//Enable WDT
//Disable WDT
//Clear WDT Refresh Source
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