beremiz

use CLOCK_MONOTONIC instead of CLOCK_REALTIME for timer setup

2018-06-01, Andrey Skvortsov
d1536c271866
use CLOCK_MONOTONIC instead of CLOCK_REALTIME for timer setup

CLOCK_REALTIME is a wall clock, that could change back and forth (user
changes system time, winter/summer time, NTP corrections and so on).
For real-time application CLOCK_MONOTONIC should be used, it doesn't
have such jumps.
<?xml version='1.0' encoding='utf-8'?>
<PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<variables/>
<globals>
<xhtml:p><![CDATA[import threading, time
MyT = None
Stop = False
def StartLog():
global MyT
MyT=threading.Thread(target = DoLog)
MyT.start()
def DoLog():
global Stop
while not Stop:
PLCObject.LogMessage("Python side Logging (PLC is %s)"%PLCObject.PLCStatus)
time.sleep(0.3)
def StopLog():
global MyT,Stop
Stop=True
_runtime_init.append(StartLog)
_runtime_cleanup.append(StopLog)
]]></xhtml:p>
</globals>
<init>
<xhtml:p><![CDATA[]]></xhtml:p>
</init>
<cleanup>
<xhtml:p><![CDATA[]]></xhtml:p>
</cleanup>
<start>
<xhtml:p><![CDATA[]]></xhtml:p>
</start>
<stop>
<xhtml:p><![CDATA[]]></xhtml:p>
</stop>
</PyFile>