From 02daff44b5e67d61aec388734ecab6cbe9ac9bb4 Mon Sep 17 00:00:00 2001
From: Markus Birth <mbirth@gmail.com>
Date: Thu, 18 Oct 2018 00:56:54 +0200
Subject: [PATCH] Method to get header of TLV only.

---
 grmn/tlv.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/grmn/tlv.py b/grmn/tlv.py
index cb6e7c1..f2662ee 100644
--- a/grmn/tlv.py
+++ b/grmn/tlv.py
@@ -63,8 +63,12 @@ class TLV:
     def get_value(self):
         return self.value
 
-    def get(self):
+    def get_header(self):
         header = pack("HH", self.type_id, self.get_actual_length())
+        return header
+
+    def get(self):
+        header = self.get_header()
         if self.value is None:
             return header
         return header + self.value