1 files changed, 9 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/H02ProtocolEncoder.java b/src/org/traccar/protocol/H02ProtocolEncoder.java
index 0b41b9c93..ba362f88e 100644
--- a/src/org/traccar/protocol/H02ProtocolEncoder.java
+++ b/src/org/traccar/protocol/H02ProtocolEncoder.java
@@ -22,11 +22,13 @@ import org.traccar.helper.Log;
 import org.traccar.model.Command;
 
 public class H02ProtocolEncoder extends StringProtocolEncoder {
+    private static final String MARKER = "HQ";
 
     private Object formatCommand(DateTime dt, String uniqueId, String cmd, String... params) {
 
         String result = String.format(
-                "*HQ,%s,%s,%02d%02d%02d",
+                "*%s,%s,%s,%02d%02d%02d",
+                MARKER,
                 uniqueId,
                 cmd,
                 dt.getHourOfDay(),
@@ -51,6 +53,12 @@ public class H02ProtocolEncoder extends StringProtocolEncoder {
                 return formatCommand(dt, uniqueId, "SCF", "0", "0");
             case Command.TYPE_ALARM_DISARM:
                 return formatCommand(dt, uniqueId, "SCF", "1", "1");
+            case Command.TYPE_ENGINE_STOP:
+                return formatCommand(dt, uniqueId, "S20", "1", "3", "10", "3", "5", "5", "3", "5", "3", "5", "3", "5");
+            case Command.TYPE_ENGINE_RESUME:
+                return formatCommand(dt, uniqueId, "S20", "0", "0");
+            case Command.TYPE_POSITION_PERIODIC:
+                return formatCommand(dt, uniqueId, "S71", "22", command.getAttributes().get(Command.KEY_FREQUENCY).toString());
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;