From 93cd43d0c4088bb2f3acff5c9d385432e0ff77fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xose=20P=C3=A9rez?= <xose.perez@gmail.com>
Date: Wed, 10 Jan 2018 16:44:47 +0100
Subject: [PATCH] Increase zeroconf discovery time. Check if any devices have
 been found.

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

diff --git a/code/ota.py b/code/ota.py
index e66cc7f5..1318be38 100644
--- a/code/ota.py
+++ b/code/ota.py
@@ -183,9 +183,13 @@ if __name__ == '__main__':
     # Look for sevices
     zeroconf = Zeroconf()
     browser = ServiceBrowser(zeroconf, "_arduino._tcp.local.", handlers=[on_service_state_change])
-    sleep(1)
+    sleep(5)
     zeroconf.close()
 
+    if len(devices) == 0:
+        print "Nothing found!\n"
+        sys.exit(0)
+
     # Sort list
     field = args.sort.lower()
     if field not in devices[0]: