PLCObject.py 文件源码

def StartPLC(self):
        if self.CurrentPLCFilename is not None and self.PLCStatus == "Stopped":
            c_argv = ctypes.c_char_p * len(self.argv)
            error = None
            res = self._startPLC(len(self.argv), c_argv(*self.argv))
            if res == 0:
                self.PLCStatus = "Started"
                self.StatusChange()
                self.PythonRuntimeCall("start")
                self.StartSem = Semaphore(0)
                self.PythonThread = Thread(target=self.PythonThreadProc)
                self.PythonThread.start()
                self.StartSem.acquire()
                self.LogMessage("PLC started")
            else:
                self.LogMessage(0, _("Problem starting PLC : error %d" % res))
                self.PLCStatus = "Broken"
                self.StatusChange()