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WDT_ENABLE()

WDT_ENABLE() sets the Watchdog timeout and starts it.

void WDT_ENABLE(uint8_t ms)

Commands

Command	Arguments	Return Value	Operation
`WDT_ENABLE(ms)`	`uint8_t ms`	`void`	Sets the Watchdog timeout and starts it.

void setup() {
#if defined(__AVR_ATmega2560__)
  WDT_ENABLE(WDT_2S);
#elif defined(__AVR_ATmega128__)
  WDT_ENABLE(WDT_1800MS);
#endif
}

Use time constants supported by the MCU.
Do not set a timeout shorter than the longest normal processing time.
Do not hide program faults by placing WDT() where it always executes unconditionally.