org.lsst.ccs.drivers.dataforth

Class Maq20DiscreteIn

java.lang.Object

org.lsst.ccs.drivers.dataforth.Maq20Discrete

org.lsst.ccs.drivers.dataforth.Maq20DiscreteIn

Direct Known Subclasses:

Maq20DiscreteOut

public class Maq20DiscreteIn
extends Maq20Discrete

Routines for controlling a Dataforth MAQ20 discrete input module.

Author:

Owen Saxton

Method Summary

Modifier and Type	Method and Description
int	readDiscAll() Reads all channels.
int[]	readDiscIn(int chan, int count) Reads a set of input channels.

Methods inherited from class org.lsst.ccs.drivers.dataforth.Maq20Discrete

getDiscDefault, getDiscDefault, getDiscDefault, readDiscIn, readDiscIn, readDiscOut, readDiscOut, readDiscOut, saveDiscDefaults, setDiscDefault, setDiscDefault, setDiscDefault, writeDisc, writeDisc, writeDisc

Methods inherited from class java.lang.Object

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

Method Detail

readDiscAll

public int readDiscAll()
                throws org.lsst.ccs.drivers.commons.DriverException

Reads all channels.

Returns:

A bit mask of active channels

Throws:

org.lsst.ccs.drivers.commons.DriverException

readDiscIn

public int[] readDiscIn(int chan,
                        int count)
                 throws org.lsst.ccs.drivers.commons.DriverException

Reads a set of input channels. Overrides superclass to set inverted logic

Overrides:

readDiscIn in class Maq20Discrete

Parameters:

chan - The first channel number

count - The number of channels

Returns:

The array of data values

Throws:

org.lsst.ccs.drivers.commons.DriverException