From df1193ab35ae36272846b37d3b336613155f6b28 Mon Sep 17 00:00:00 2001
From: Patrick Kanzler <dev@pkanzler.de>
Date: Tue, 1 Aug 2017 11:20:00 +0200
Subject: [PATCH] implement read for Serial

---
 src/escpos/printer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/escpos/printer.py b/src/escpos/printer.py
index b658efb..5102890 100644
--- a/src/escpos/printer.py
+++ b/src/escpos/printer.py
@@ -154,6 +154,10 @@ class Serial(Escpos):
         :type msg: bytes
         """
         self.device.write(msg)
+        
+    def _read(self):
+        """ Reads a data buffer and returns it to the caller. """
+        return self.device.read(16)
 
     def close(self):
         """ Close Serial interface """