From 2ab25f0382ccf21ca5c803f0953157a5479f1fde Mon Sep 17 00:00:00 2001
From: Kristian Sloth Lauszus <lauszus@gmail.com>
Date: Tue, 19 Apr 2016 17:03:42 +0200
Subject: [PATCH] Fix unused-but-set-variable warning

---
 examples/adk/adk_barcode/adk_barcode.ino | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/examples/adk/adk_barcode/adk_barcode.ino b/examples/adk/adk_barcode/adk_barcode.ino
index e671c661..9417617d 100644
--- a/examples/adk/adk_barcode/adk_barcode.ino
+++ b/examples/adk/adk_barcode/adk_barcode.ino
@@ -55,9 +55,17 @@ uint8_t keylcl;
 
   if( keylcl == 0x13 ) {
     rcode = adk.SndData( strlen( new_line ), (uint8_t *)new_line );
+    if (rcode && rcode != hrNAK) {
+      Serial.print(F("\r\nData send: "));
+      Serial.print(rcode, HEX);
+    }
   }
   else {
     rcode = adk.SndData( 1, &keylcl );
+    if (rcode && rcode != hrNAK) {
+      Serial.print(F("\r\nData send: "));
+      Serial.print(rcode, HEX);
+    }
   }
 
   Serial.print((char) keylcl );