From eedea0b72ddffc1c5ab251cf75925bff45a53d34 Mon Sep 17 00:00:00 2001
From: Alexandre Bard <alexandre.bard@netmodule.com>
Date: Mon, 1 Apr 2019 12:26:38 +0200
Subject: [PATCH] ublox-config: Make sure that device is available before
 sending commands

BugzID: 56371
---
 .../ublox-configuration/files/ublox-config.py              | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/recipes-connectivity/ublox-configuration/files/ublox-config.py b/recipes-connectivity/ublox-configuration/files/ublox-config.py
index 3f1ca26..a74efcb 100755
--- a/recipes-connectivity/ublox-configuration/files/ublox-config.py
+++ b/recipes-connectivity/ublox-configuration/files/ublox-config.py
@@ -7,7 +7,12 @@ import os
 
 MAX_TRY = 5
 tries = 0
-ser = serial.Serial('/dev/ttyACM0', 115200, timeout=0.5)
+SERIAL_DEV = '/dev/ttyACM0'
+
+while not os.path.exists(SERIAL_DEV):
+    time.sleep(1)
+
+ser = serial.Serial(SERIAL_DEV, 115200, timeout=0.5)
 
 def execute_and_check(cmd):
     global tries