From 01ef1fae3623b7b05bf196b19e7713b27c5a39e7 Mon Sep 17 00:00:00 2001
From: Greg Hogan <gregjhogan@gmail.com>
Date: Mon, 3 Dec 2018 22:08:58 -0800
Subject: [PATCH] zero pad messages before sending

---
 python/uds.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/uds.py b/python/uds.py
index eb9329e29..b35061572 100644
--- a/python/uds.py
+++ b/python/uds.py
@@ -134,6 +134,7 @@ def _isotp_thread(panda, bus, tx_addr, tx_queue, rx_queue):
         req = tx_queue.get(block=False)
         # reset rx rx_frame
         rx_frame = {"size": 0, "data": "", "sent": True}
+        req = req.ljust(8, "\x00")
         if (DEBUG): print "S:", hex(tx_addr), req.encode("hex")
         panda.can_send(tx_addr, req, bus)
       else:
@@ -643,7 +644,7 @@ if __name__ == "__main__":
   from python import Panda
   panda = Panda()
   bus = 0
-  tx_addr = 0x18daf130 # EPS
+  tx_addr = 0x18da30f1 # EPS
   tx_queue = Queue()
   rx_queue = Queue()
   can_reader_t = threading.Thread(target=_isotp_thread, args=(panda, bus, tx_addr, tx_queue, rx_queue))