/*
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* Copyright 2011-17 Fraunhofer ISE, energy & meteo Systems GmbH and other contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package org.openmuc.openiec61850;
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public final class BdaDoubleBitPos extends BdaBitString {
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public enum DoubleBitPos {
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INTERMEDIATE_STATE(0),
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OFF(1),
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ON(2),
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BAD_STATE(3);
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private final int value;
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private DoubleBitPos(int value) {
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this.value = value;
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}
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public int getIntValue() {
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return value;
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}
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}
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public BdaDoubleBitPos(ObjectReference objectReference, Fc fc, String sAddr, boolean dchg, boolean dupd) {
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super(objectReference, fc, sAddr, 2, dchg, dupd);
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basicType = BdaType.DOUBLE_BIT_POS;
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setDefault();
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}
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/**
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* Sets the value to DoubleBitPos.OFF
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*/
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@Override
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public void setDefault() {
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value = new byte[] { 0x40 };
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}
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@Override
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public BdaDoubleBitPos copy() {
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BdaDoubleBitPos copy = new BdaDoubleBitPos(objectReference, fc, sAddr, dchg, dupd);
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byte[] valueCopy = new byte[value.length];
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System.arraycopy(value, 0, valueCopy, 0, value.length);
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copy.setValue(valueCopy);
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if (mirror == null) {
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copy.mirror = this;
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}
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else {
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copy.mirror = mirror;
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}
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return copy;
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}
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public DoubleBitPos getDoubleBitPos() {
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if ((value[0] & 0xC0) == 0xC0) {
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return DoubleBitPos.BAD_STATE;
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}
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if ((value[0] & 0x80) == 0x80) {
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return DoubleBitPos.ON;
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}
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if ((value[0] & 0x40) == 0x40) {
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return DoubleBitPos.OFF;
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}
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return DoubleBitPos.INTERMEDIATE_STATE;
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}
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public void setDoubleBitPos(DoubleBitPos doubleBitPos) {
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if (doubleBitPos == DoubleBitPos.BAD_STATE) {
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value[0] = (byte) 0xC0;
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}
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else if (doubleBitPos == DoubleBitPos.ON) {
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value[0] = (byte) 0x80;
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}
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else if (doubleBitPos == DoubleBitPos.OFF) {
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value[0] = (byte) 0x40;
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}
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else {
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value[0] = (byte) 0;
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}
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}
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}
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