Fix D-WAY heartbeat response

2 files changed, 3 insertions, 3 deletions

diff --git a/src/org/traccar/protocol/DwayProtocolDecoder.java b/src/org/traccar/protocol/DwayProtocolDecoder.java
index 767b35c72..121681588 100644
--- a/src/org/traccar/protocol/DwayProtocolDecoder.java
+++ b/src/org/traccar/protocol/DwayProtocolDecoder.java
@@ -59,9 +59,9 @@ public class DwayProtocolDecoder extends BaseProtocolDecoder {
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
         String sentence = (String) msg;
-        if (sentence.startsWith(">H")) {
+        if (sentence.equals("AA55,HB")) {
             if (channel != null) {
-                channel.write(">ALIVE\r\n");
+                channel.write("55AA,HB,OK\r\n");
             }
             return null;
         }
diff --git a/test/org/traccar/protocol/DwayProtocolDecoderTest.java b/test/org/traccar/protocol/DwayProtocolDecoderTest.java
index be51f2b94..621aabf92 100644
--- a/test/org/traccar/protocol/DwayProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/DwayProtocolDecoderTest.java
@@ -23,7 +23,7 @@ public class DwayProtocolDecoderTest extends ProtocolTest {
                 "AA55,1,123456,1,140101,101132,22.5500,113.6770,75,70.5,320,1100,0011,1110,3950,33000,24000,12345678"));
 
         verifyNull(decoder, text(
-                ">H12345678"));
+                "AA55,HB"));
 
     }