From 4818350365a185f7b523a1b26ee2f3b099fe945d Mon Sep 17 00:00:00 2001
From: Mrkva <mrkva@mrkva.eu>
Date: Fri, 27 Jun 2014 12:39:59 +0200
Subject: [PATCH] Don't flood NFC errors

---
 brmdoor-rpi/brmdoor-rpi.sh | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/brmdoor-rpi/brmdoor-rpi.sh b/brmdoor-rpi/brmdoor-rpi.sh
index 9f39f53..4a2b851 100755
--- a/brmdoor-rpi/brmdoor-rpi.sh
+++ b/brmdoor-rpi/brmdoor-rpi.sh
@@ -117,14 +117,23 @@ done
 
 LOOP=0
 
+NFC_FAILED=1
+
 while true; do
 	CARD=`$NFC_BINARY`
-	if [ $? -ne 0 ]; then
-		
+	RET=$?
+	if [ $RET -ne 0 ] && [ $NFC_FAILED -eq 1 ] ; then
+		NFC_FAILED=0
 		log_message "NFC_FAILURE"
 		logger -p user.error "[biodoor] NFC failure"
 		irc_message "[biodoor] NFC error! Might be out of order!"
 		sleep 1s
+		continue
+	elif [ $RET -eq 0 ] && [ $NFC_FAILED -eq 0 ]; then
+		NFC_FAILED=1
+	        log_message "NFC_BACK"
+                logger -p user.error "[biodoor] NFC back"
+                irc_message "[biodoor] NFC communication is back!"
 	fi
 
 	if [ $IGNORE_ALARM -gt 0 ]; then