From d028f42e99f21f9dac83f850fbf29f869597704d Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Wed, 28 Dec 2016 22:17:49 -0500
Subject: [PATCH] mcu: Don't call steppersync_flush if steppersync not created
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
---
klippy/mcu.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/klippy/mcu.py b/klippy/mcu.py
index 7afea412a..c99278418 100644
--- a/klippy/mcu.py
+++ b/klippy/mcu.py
@@ -521,6 +521,8 @@ class MCU:
def send(self, cmd, minclock=0, reqclock=0, cq=None):
self.serial.send(cmd, minclock, reqclock, cq=cq)
def flush_moves(self, print_time):
+ if self._steppersync is None:
+ return
mcu_time = print_time + self._print_start_time
clock = int(mcu_time * self._mcu_freq)
self.ffi_lib.steppersync_flush(self._steppersync, clock)