openpilot v0.4.0.1 tweaks

selfdrive/debug/get_fingerprint.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+# simple script to get a vehicle fingerprint.
+# keep this script running for few seconds: some messages are published every few seconds
+
+# Instructions:
+# - connect to a Panda
+# - run selfdrive/boardd/boardd
+# - launching this script
+# - since some messages are published at low frequency, keep this script running for few seconds, 
+#   until all messages are received at least once
+
+import zmq
+import selfdrive.messaging as messaging
+from selfdrive.services import service_list
+
+context = zmq.Context()
+logcan = messaging.sub_sock(context, service_list['can'].port)
+msgs = {}
+while True:
+  lc = messaging.recv_sock(logcan, True)
+  for c in lc.can:
+    if c.src == 0:
+      msgs[c.address] = len(c.dat)
+
+  fingerprint = ', '.join("%d: %d" % v for v in sorted(msgs.items()))
+
+  print "number of messages:", len(msgs)
+  print "fingerprint", fingerprint