From fec2f8b763d257e75bb863bb22b6b29327263245 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20J=C3=B6rdens?= <rj@quartiq.de>
Date: Thu, 24 Sep 2020 10:59:22 +0000
Subject: [PATCH] phaser: increase slack for iotest

---
 artiq/coredevice/phaser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/phaser.py b/artiq/coredevice/phaser.py
index 56b09f13e..5dabc36a6 100644
--- a/artiq/coredevice/phaser.py
+++ b/artiq/coredevice/phaser.py
@@ -219,7 +219,7 @@ class Phaser:
         # either side) and no need to tune at runtime.
         # Parity provides another level of safety.
         for i in range(len(patterns)):
-            delay(.2*ms)
+            delay(.5*ms)
             errors = self.dac_iotest(patterns[i])
             if errors:
                 raise ValueError("DAC iotest failure")