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Merge pull request #1667 from DSheirer/1666-p25-moto-unit-gps
#1666 P25 Motorola Unit GPS Parsing & Plot to Map
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84
...va/io/github/dsheirer/module/decode/p25/phase1/message/lc/motorola/LCMotorolaUnitGPS.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /* | ||
| * ***************************************************************************** | ||
| * Copyright (C) 2014-2023 Dennis Sheirer | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/> | ||
| * **************************************************************************** | ||
| */ | ||
|
|
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| package io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola; | ||
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| import io.github.dsheirer.bits.BinaryMessage; | ||
| import io.github.dsheirer.identifier.Identifier; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * Motorola Unit Self-Reported GPS Location | ||
| */ | ||
| public class LCMotorolaUnitGPS extends MotorolaLinkControlWord | ||
| { | ||
| private static final double LATITUDE_MULTIPLIER = 90.0 / 0x7FFFFF; | ||
| private static final double LONGITUDE_MULTIPLIER = 180.0 / 0x7FFFFF; | ||
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||
| private static final int[] UNKNOWN = {16, 17, 18, 19, 20, 21, 22, 23}; | ||
| private static final int LATITUDE_SIGN = 24; | ||
| private static final int[] LATITUDE = {25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47}; | ||
| private static final int LONGITUDE_SIGN = 48; | ||
| private static final int[] LONGITUDE = {49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71}; | ||
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| /** | ||
| * Constructs an instance | ||
| * @param message binary | ||
| */ | ||
| public LCMotorolaUnitGPS(BinaryMessage message) | ||
| { | ||
| super(message); | ||
| } | ||
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| @Override | ||
| public String toString() | ||
| { | ||
| StringBuilder sb = new StringBuilder(); | ||
| sb.append("MOTOROLA UNIT GPS LOCATION: ").append(getLatitude()).append(" ").append(getLongitude()); | ||
| return sb.toString(); | ||
| } | ||
|
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| /** | ||
| * GPS Latitude value. | ||
| * @return value in decimal degrees | ||
| */ | ||
| public double getLatitude() | ||
| { | ||
| return getMessage().getInt(LATITUDE) * LATITUDE_MULTIPLIER * (getMessage().get(LATITUDE_SIGN) ? -1 : 1); | ||
| } | ||
|
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| /** | ||
| * GPS Longitude value. | ||
| * @return value in decimal degrees | ||
| */ | ||
| public double getLongitude() | ||
| { | ||
| return getMessage().getInt(LONGITUDE) * LONGITUDE_MULTIPLIER * (getMessage().get(LONGITUDE_SIGN) ? -1 : 1); | ||
| } | ||
|
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||
| /** | ||
| * List of identifiers contained in this message | ||
| */ | ||
| @Override | ||
| public List<Identifier> getIdentifiers() | ||
| { | ||
| return Collections.emptyList(); | ||
| } | ||
| } |