Index: run.py
===================================================================
diff -u -r6e42c76925267c05e6b5e868d028bca6c2faf46c -re55ac65c47c243e4a942688ff9c94805a9cea76b
--- run.py	(.../run.py)	(revision 6e42c76925267c05e6b5e868d028bca6c2faf46c)
+++ run.py	(.../run.py)	(revision e55ac65c47c243e4a942688ff9c94805a9cea76b)
@@ -3,6 +3,7 @@
 from dialin.ui.hd_simulator import HDSimulator
 from dialin.ui.dg_simulator import DGSimulator
 from dialin.ui.hd_simulator_alarms import HDAlarmsSimulator
+from sys import argv
 
 hd_auto_response=False
 dg_auto_response=False
@@ -13,6 +14,16 @@
 
 canbus = "can1"
 
+if __name__ == "__main__":
+    argc = len(argv)
+    if argc > 1:
+        can_chg = str(argv[1])
+        if can_chg.startswith("can"):
+            canbus = can_chg
+
+    print("can set:", canbus)
+
+
 hd = HDSimulator(can_interface=canbus, console_out=hd_console_out, passive_mode=hd_passive_mode, auto_response=hd_auto_response)
 dg = DGSimulator(can_interface=canbus, console_out=dg_console_out, passive_mode=dg_passive_mode, auto_response=dg_auto_response)
 alarm = HDAlarmsSimulator(hd.can_interface, hd.logger)