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Diffstat (limited to 'src/org/traccar/protocol/KhdProtocolEncoder.java')
-rw-r--r--src/org/traccar/protocol/KhdProtocolEncoder.java60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/KhdProtocolEncoder.java b/src/org/traccar/protocol/KhdProtocolEncoder.java
new file mode 100644
index 000000000..20d8eb40a
--- /dev/null
+++ b/src/org/traccar/protocol/KhdProtocolEncoder.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.helper.Crc;
+import org.traccar.model.Command;
+
+public class KhdProtocolEncoder extends BaseProtocolEncoder {
+
+ private static final int MSG_CUT_OIL = 0x39;
+ private static final int MSG_RESUME_OIL = 0x38;
+
+ private ChannelBuffer encodeCommand(int command) {
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+
+ buf.writeByte(0x29);
+ buf.writeByte(0x29);
+
+ buf.writeByte(command);
+ buf.writeShort(6); // size
+
+ buf.writeInt(0); // terminal id
+
+ buf.writeByte(Crc.xorChecksum(buf.toByteBuffer()));
+ buf.writeByte(0x0D); // ending
+
+ return buf;
+ }
+
+ @Override
+ protected Object encodeCommand(Command command) {
+
+ switch (command.getType()) {
+ case Command.TYPE_ENGINE_STOP:
+ return encodeCommand(MSG_CUT_OIL);
+ case Command.TYPE_ENGINE_RESUME:
+ return encodeCommand(MSG_RESUME_OIL);
+ }
+
+ return null;
+ }
+
+}