From e0f15c6a21c188edd61ca78d034aaf1505fb59cb Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 12 Sep 2020 22:58:40 -0700
Subject: Refactor NMEA checksum

---
 src/main/java/org/traccar/protocol/LaipacProtocolEncoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/main/java/org/traccar/protocol/LaipacProtocolEncoder.java')

diff --git a/src/main/java/org/traccar/protocol/LaipacProtocolEncoder.java b/src/main/java/org/traccar/protocol/LaipacProtocolEncoder.java
index 0c9f8ebb8..aaa5a70f7 100644
--- a/src/main/java/org/traccar/protocol/LaipacProtocolEncoder.java
+++ b/src/main/java/org/traccar/protocol/LaipacProtocolEncoder.java
@@ -29,7 +29,7 @@ public class LaipacProtocolEncoder extends StringProtocolEncoder {
     @Override
     protected String formatCommand(Command command, String format, String... keys) {
         String sentence = super.formatCommand(command, "$" + format, keys);
-        sentence += Checksum.nmea(sentence) + "\r\n";
+        sentence += Checksum.nmea(sentence.substring(1)) + "\r\n";
         return sentence;
     }
 
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