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serialhdl: Reduce calculations done while holding the lock 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-09-15 13:58:05 -04:00
parent 857eb01bfa
commit 9d0fcca8a9
1 changed files with 5 additions and 3 deletions
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8
klippy/serialhdl.py
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@ -53,8 +53,8 @@ class SerialReader:
params = self.msgparser.parse(response.msg[0:count])
params['#sent_time'] = response.sent_time
params['#receive_time'] = response.receive_time
hdl = (params['#name'], params.get('oid'))
with self.lock:
hdl = (params['#name'], params.get('oid'))
hdl = self.handlers.get(hdl, self.handle_default)
try:
hdl(params)
@ -160,8 +160,10 @@ class SerialReader:
# Clock tracking
def get_clock(self, eventtime):
with self.lock:
return int(self.last_clock
+ (eventtime - self.last_clock_time) * self.min_freq)
last_clock = self.last_clock
last_clock_time = self.last_clock_time
min_freq = self.min_freq
return int(last_clock + (eventtime - last_clock_time) * min_freq)
def translate_clock(self, raw_clock):
with self.lock:
last_clock = self.last_clock