diff --git a/fcuSync.py b/fcuSync.py
index 34777a4..4baa130 100755
--- a/fcuSync.py
+++ b/fcuSync.py
@@ -231,11 +231,17 @@ winwing_fcu_set_led(Leds.EXPED_YELLOW, 70)
 winwing_fcu_set_led(Leds.SCREEN_BACKLIGHT, 200)
 winwing_fcu_lcd_set(speed, heading, alt, vs, 0x0)
 
-s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM | socket.SOCK_NONBLOCK)
 s.bind(('', 12000))
 try:
+	message = "d,100,360,10000,----,0.0,0.0,d"
 	while True:
-		message, address = s.recvfrom(1024)
+		time.sleep(0.1)
+		try:
+			while True:
+				message, address = s.recvfrom(1024)
+		except BlockingIOError:
+			pass
 		print(message)
 		items = str(message).split(",")
 		winwing_fcu_lcd_set(items[1], items[2], items[3], items[4], 0x0)
@@ -320,18 +326,3 @@ try:
 
 except KeyboardInterrupt:
 	s.close()
-
-#while True:
-#	buf_in = [None] * 7
-#	winwing_fcu_set_led(Leds.AP1_GREEN, 1)
-#	winwing_fcu_set_led(Leds.AP2_GREEN, 0)
-#	winwing_fcu_lcd_set(speed, heading, alt, vs, 0x0)
-#	speed = speed + 1
-#	heading = heading + 3
-#	if heading > 360:
-#		heading = 0
-#	time.sleep(0.5)
-#	winwing_fcu_set_led(Leds.AP1_GREEN, 0)
-#	winwing_fcu_set_led(Leds.AP2_GREEN, 1)
-#	winwing_fcu_lcd_set(speed, heading, alt, vs, 0xff)
-#	time.sleep(0.5)