From 6f65ba9214777098278450bf9100157563b4ea94 Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Thu, 28 Sep 2017 01:09:18 -0400 Subject: [PATCH] clocksync: Don't update prev_est on min rtt updates Average frequency changes over the longer interval on a sample that causes a minimum rtt update. Signed-off-by: Kevin O'Connor --- klippy/clocksync.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/klippy/clocksync.py b/klippy/clocksync.py index 2680e049..c3bab7e7 100644 --- a/klippy/clocksync.py +++ b/klippy/clocksync.py @@ -83,7 +83,8 @@ class ClockSync: clock_fast = False new_time = sent_time + self.min_half_rtt if clock_fast != self.last_clock_fast: - self.prev_est = self.clock_est + if sent_time > self.min_half_rtt_time: + self.prev_est = self.clock_est self.last_clock_fast = clock_fast new_freq = (clock - self.prev_est[1]) / (new_time - self.prev_est[0]) self.serial.set_clock_est(