watchdog.java

real-time design patterns in Real-time java

package designPatterns.Watchdog;

import rtComm.CmdData;
import rtComm.CmdProtocol;
import rtComm.CmdQueue;
import designPatterns.Fsm.GenericFsm;

public class Watchdog extends GenericFsm implements WatchdogFsmConstants {

	long timeoutVal = TM_DEFAULT;
	CmdQueue tmQ;
	CmdData cmdData;
	
	public Watchdog(CmdQueue tmQueue) {
		super(TM_DEFAULT);
		state = NULL_STATE;
		// Watchdog-specific setup
		tmQ = tmQueue;
		cmdData = new CmdData(CmdProtocol.BC_IOPC_WATCHDOG, CmdProtocol.ARG_NULL);
	}

	public void evEnable(long timeVal) {
		timeoutVal = timeVal;
		((WatchdogState)state).evEnable(this);
	}
	
	public void evDisable() {
		((WatchdogState)state).evDisable(this);
	}
	
	public void evStroke() {
		((WatchdogState)state).evStroke(this);
	}

	public final void illegalTrigger() {
		// ignore illegal trigger
	}
}