org.lsst.ccs.subsystem.shutter

Class Alerts

java.lang.Object

org.lsst.ccs.subsystem.shutter.Alerts

public class Alerts
extends Object

All the alerts that this subsystem can raise.

Author:

tether

Field Summary

Fields

Modifier and Type	Field and Description
static org.lsst.ccs.bus.data.Alert	MOTION Raised if the Hall data from the last motion indicate a significant deviation from the predicted motion.
static org.lsst.ccs.bus.data.Alert	PLC Raised if the shutter controller sends an explicit error message to the subsystem.
static org.lsst.ccs.bus.data.Alert	SYNC Raised if the PLC state machine and the subsystem state machine appear to have gotten out of sync.
static org.lsst.ccs.bus.data.Alert	WATCHDOG Raised if no messages have arrived from the shutter controller within a certain period.

Constructor Summary

Constructors

Constructor and Description
Alerts()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SYNC

public static final org.lsst.ccs.bus.data.Alert SYNC

Raised if the PLC state machine and the subsystem state machine appear to have gotten out of sync.

PLC

public static final org.lsst.ccs.bus.data.Alert PLC

Raised if the shutter controller sends an explicit error message to the subsystem.

WATCHDOG

public static final org.lsst.ccs.bus.data.Alert WATCHDOG

Raised if no messages have arrived from the shutter controller within a certain period.

MOTION

public static final org.lsst.ccs.bus.data.Alert MOTION

Raised if the Hall data from the last motion indicate a significant deviation from the predicted motion.

Constructor Detail

Alerts

public Alerts()