ublox-config: Make sure that device is available before sending commands

BugzID: 56371
2019-04-01 12:26:38 +02:00 · 2019-04-01 12:26:38 +02:00 · eedea0b72d
parent 7ee9cc8cce
commit eedea0b72d
1 changed files with 6 additions and 1 deletions
--- 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