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I am using Maniacbug Mighyty-1284p 16MHz in my project. Here I used watchdog for safety.I used three command for watchdog.

1. wdt_enable(WDTO_8S);
2. wdt_reset();
3. wdt_disable();

Is it create any problem if I use "wdt_enable(WDTO_8S);" command two times (one after another without using wdt_disable();)

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    no. it only sets the registers. and the reason for setting it twice is?
    – Juraj
    May 23, 2018 at 6:43
  • @Juraj besides setting the registers, it also resets the watchdog timer if it is running. Still not an issue for the OP. Calling it twice is fine.
    – Gerben
    May 23, 2018 at 8:41

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