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Ability to reset watchdog timer #859

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gfwilliams opened this issue May 17, 2016 · 3 comments
Closed

Ability to reset watchdog timer #859

gfwilliams opened this issue May 17, 2016 · 3 comments

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@gfwilliams
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http://forum.espruino.com/conversations/782/#comment12989310

E.enableWatchdog(timeout_in_seconds) should maybe be:

E.enableWatchdog(timeout_in_seconds, auto(bool=true) )

Then E.kickWatchdog() could be added, so you could set auto to false (in which case the interpreter didn't reset the watchdog). You could then use E.kickWatchdog() from JS to manually kick it.
@ceremcem
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ceremcem commented Jul 5, 2016

Thank you!

@gfwilliams
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No problem - as discussed before this doesn't work in ESP8266 though, because it only has one watchdog timer, which is used by the internal WiFi stuff.

@ceremcem
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ceremcem commented Jul 5, 2016

Well, this hurt :D We found some cute watchdog ic's for this kind of small tasks for ESP8266 and decided that a central supervisor unit (something more than a supervisor ic, such as a small MCU) would better suite in bigger (more critical) systems because we may need more extensive measures, such as re-flashing the ESP (and/or the other(s)). Anyway, thank you for your support :)

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@gfwilliams @ceremcem