testwdtm.nc

tinyos1.x 测试看门狗的程序 Testsuite for watchdog component. It currently shows three behaviors:

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module TestWDTM {
    provides interface StdControl;
    uses interface Leds;
    uses interface Timer;
    uses interface StdControl as TimerControl;
    uses interface StdControl as DogControl;
    uses interface WDT;
}

implementation { 
    
    enum {
	mode = WDTTEST
    };
    
    uint8_t firstTime;

    result_t command StdControl.init() {
        result_t ok1, ok2, ok3;
	firstTime = 1;
	ok1 = call DogControl.init();
        ok2 = call Leds.init();
        ok3 = call TimerControl.init();
	return rcombine3(ok1, ok2, ok3);
    }

    

    result_t command StdControl.start() {
	result_t ok = call TimerControl.start();
	call DogControl.start();
	if (ok) {
	    call Leds.redOn();
	    call Leds.greenOn();
	    if (mode == 1) {
		return call Timer.start(TIMER_ONE_SHOT, 2000);
	    } else {
		return call Timer.start(TIMER_REPEAT, 2000);
	    }
	} 
	return ok;
    }

    result_t command StdControl.stop() {
	call DogControl.stop();
	return call TimerControl.stop();
    }

    task void  crashMote() {
	while (1) {
	    call Leds.yellowOn();
	}
    }

    event result_t Timer.fired() {
	call Leds.greenOff();
	if (firstTime) {
	    firstTime = 0;
	    call WDT.start(2500);
	} else {
	    call WDT.reset();
	}
	if (mode == 2) {
	    post crashMote();
	}
	return SUCCESS;
    }

}