Index: tools/setup_canbus.sh
===================================================================
diff -u -r4bdb012848d1b59be5edc31d677b77b9d95f6190 -r8d1f61499650e23dac6f857e48daad42180db949
--- tools/setup_canbus.sh	(.../setup_canbus.sh)	(revision 4bdb012848d1b59be5edc31d677b77b9d95f6190)
+++ tools/setup_canbus.sh	(.../setup_canbus.sh)	(revision 8d1f61499650e23dac6f857e48daad42180db949)
@@ -14,7 +14,15 @@
 # @date (original) 01-Apr-2020
 #
 ############################################################################
+iface="can0"
+if [ "$#" -gt 1 ]; then
+    echo "Please provide only one can interface."
+    echo "Usage (defaults to can0): setup_canbus.sh "
+    echo "     Use <iface> instead: setup_canbus.sh <iface>"
+    exit 1
+elif [ "$#" -eq 1 ]; then
+    iface="$1"
+fi
 
-sudo ifconfig can0 down
-sudo ip link set can0 up type can bitrate 250000 restart-ms 100
+sudo ip link set "$iface" up type can bitrate 250000 restart-ms 100