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authorAnton Tananaev <anton.tananaev@gmail.com>2019-11-14 21:32:23 -0800
committerAnton Tananaev <anton.tananaev@gmail.com>2019-11-14 21:32:23 -0800
commit325479e6386d8437e410076cfbada69db7af7dbb (patch)
treeff48d5ac98d853896a3ba81a591c8cc1f8f364e0 /src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java
parent1ec1f09932200815fbdf64c5efa6529d919ec643 (diff)
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Solar Powered GPS protocol
Diffstat (limited to 'src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java97
1 files changed, 97 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java b/src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java
new file mode 100644
index 000000000..34d749816
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2019 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+
+public class SolarPoweredProtocolDecoder extends BaseProtocolDecoder {
+
+ public SolarPoweredProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_ACTIVE_REPORTING = 0x11;
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ buf.readUnsignedByte(); // start marker
+
+ String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(0, 15);
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ int type = buf.readUnsignedByte();
+ buf.readUnsignedShort(); // attributes
+
+ if (type == MSG_ACTIVE_REPORTING) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ while (buf.readableBytes() > 2) {
+ int tag = buf.readUnsignedByte();
+ int length = buf.readUnsignedByte();
+ switch (tag) {
+ case 0x81:
+ int status = buf.readUnsignedByte();
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ position.setTime(dateBuilder.getDate());
+ position.setLatitude(buf.readUnsignedInt() * 0.000001);
+ if (BitUtil.check(status, 3)) {
+ position.setLatitude(-position.getLatitude());
+ }
+ position.setLongitude(buf.readUnsignedInt() * 0.000001);
+ if (BitUtil.check(status, 3)) {
+ position.setLongitude(-position.getLongitude());
+ }
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+ position.set(Position.KEY_DEVICE_TEMP, (int) buf.readByte());
+ position.set(Position.KEY_BATTERY, buf.readUnsignedByte() * 0.02);
+ position.setCourse(buf.readUnsignedByte());
+ break;
+ default:
+ buf.skipBytes(length);
+ break;
+ }
+ }
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}