#!/bin/sh
# Attach serial LIN->CAN bridge and set up LIN polling
-sleep 1
-/usr/bin/lin_config -c /etc/lin_config.conf -a sllin:/dev/ttyUSB0
-pidof lin_config > /var/run/lin_config.pid
-sleep 1
+if [ -c /dev/ttyUSB0 ]; then
+ sleep 1
+ /usr/bin/lin_config -c /etc/lin_config.conf -a sllin:/dev/ttyUSB0
+ pidof lin_config > /var/run/lin_config.pid
+ sleep 1
+else
+ ip link add dev sllin0 type vcan
+fi
ip link set sllin0 up
# Initialize HVAC controller