158 lines
4.5 KiB
Python
158 lines
4.5 KiB
Python
# !/usr/bin/python3
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"""
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# @Time : 2025/12/12 11:05
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# @Author : reenrr
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# @File : util_time.py
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# @Desc :
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"""
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import time
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class MyTimer:
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@staticmethod
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def gMyGetTickCount():
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"""
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获取当前系统时间的毫秒级时间戳
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"""
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ts = time.time()
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return int(ts * 1000) # Convert to milliseconds
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# CTon class equivalent in Python
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class CTon:
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def __init__(self):
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self.m_unET = 0
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self.m_bLastI = False
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self.m_bIn = False
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self.m_bPause = False
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self.m_bOver = True
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self.m_unPT = 0
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self.m_unStartTime = 0
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self.m_unPauseET = 0
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def GetET(self):
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"""
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获取当前已流逝的延时时间
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"""
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if self.m_bIn:
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nET = self.m_unPT + (self.m_unStartTime - MyTimer.gMyGetTickCount())
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return max(nET, 0)
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else:
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return 0
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def SetReset(self):
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"""
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复位TON所有状态属性，终止当前延时流程，恢复到初始状态，为下一次延时流程做准备
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"""
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self.m_bIn = False
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self.m_bLastI = False
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self.m_bPause = False
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def SetPause(self, value):
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if self.m_bIn:
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self.m_bPause = value
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if self.m_bPause:
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self.m_unPauseET = MyTimer.gMyGetTickCount() - self.m_unStartTime
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def SetOver(self, value):
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self.m_bOver = value
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def GetStartTime(self):
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return self.m_unStartTime
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def Q(self, value_i, value_pt):
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self.m_bIn = value_i
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self.m_unPT = value_pt
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un_tick = MyTimer.gMyGetTickCount()
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if self.m_bOver and self.m_bIn:
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self.m_unStartTime = un_tick - self.m_unPT
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self.m_bOver = False
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if self.m_bPause and self.m_bIn:
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self.m_unStartTime = un_tick - self.m_unPauseET
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if self.m_bIn != self.m_bLastI:
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self.m_bLastI = self.m_bIn
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if self.m_bIn:
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self.m_unStartTime = un_tick
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self.m_bPause = False
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return self.m_bIn and (un_tick >= (self.m_unStartTime + self.m_unPT))
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# CClockPulse class equivalent in Python
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class CClockPulse:
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def __init__(self):
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self.m_bFirstOut = True
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self.m_bTonAOut = False
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self.m_bTonBOut = False
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self.m_cTonA = CTon()
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self.m_cTonB = CTon()
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def Q(self, value_i, run_time, stop_time):
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if self.m_bFirstOut:
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self.m_bTonAOut = self.m_cTonA.Q(not self.m_bTonBOut and value_i, run_time)
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self.m_bTonBOut = self.m_cTonB.Q(self.m_bTonAOut and value_i, stop_time)
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return not self.m_bTonAOut and value_i
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else:
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self.m_bTonAOut = self.m_cTonA.Q(not self.m_bTonBOut and value_i, stop_time)
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self.m_bTonBOut = self.m_cTonB.Q(self.m_bTonAOut and value_i, run_time)
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return self.m_bTonAOut and value_i
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# CDelayOut class equivalent in Python
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class CDelayOut:
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def __init__(self):
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self.m_cOutTon = CTon()
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self.m_cmWaitTon = CTon()
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def Reset(self):
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self.m_cOutTon.SetReset()
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self.m_cmWaitTon.SetReset()
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def Q(self, value_i, wait_time, out_time):
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if self.m_cmWaitTon.Q(value_i, wait_time):
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if self.m_cOutTon.Q(True, out_time):
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self.m_cOutTon.SetReset()
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self.m_cmWaitTon.SetReset()
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value_i = False
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return False
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return True
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return False
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# CRisOrFall class equivalent in Python
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class CRisOrFall:
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def __init__(self):
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self.m_bTemp = False
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def Q(self, value_i, ris_or_fall):
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result = False
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if value_i != self.m_bTemp:
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if ris_or_fall and value_i: # Rising edge
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result = True
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if not ris_or_fall and not value_i: # Falling edge
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result = True
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self.m_bTemp = value_i
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return result
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# CTof class equivalent in Python
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class CTof:
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def __init__(self):
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self.m_cDelayTon = CTon()
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self.m_bValue = False
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self.m_cRis = CRisOrFall()
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def SetReset(self):
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self.m_bValue = False
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self.m_cDelayTon.SetReset()
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def Q(self, value_i, delay_time):
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if self.m_cRis.Q(value_i, False):
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self.m_cDelayTon.SetReset()
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self.m_bValue = True
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if self.m_cDelayTon.Q(self.m_bValue, delay_time):
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self.m_bValue = False
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self.m_cDelayTon.SetReset()
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return value_i or self.m_bValue
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# Utility function
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def gGetNowTime():
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return int(time.time())
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