From 479175870faf042f44c90056b1af40c29d0a3284 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Sun, 9 Aug 2015 17:30:01 +0800
Subject: [PATCH] pdq2/driver: implement ping

---
 artiq/devices/pdq2/driver.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/artiq/devices/pdq2/driver.py b/artiq/devices/pdq2/driver.py
index 79f4f9667..b5ecafdf4 100644
--- a/artiq/devices/pdq2/driver.py
+++ b/artiq/devices/pdq2/driver.py
@@ -213,3 +213,6 @@ class Pdq2:
         for frame_data in program:
             self.program_frame(frame_data)
         self.write_all()
+
+    def ping(self):
+        return True