python实现串口自动触发工作的示例

self.button_autoStopAll = wx.Button(id=wxID_FRAME1BUTTONAUTOSTARTALL, label=u'AUTO STOP ALL',       name='button_autoStop', parent=self.staticBox_common, pos=wx.Point(8, 284),       size=wx.Size(180, 80), style=0)    self.button_autoStopAll.SetFont(wx.Font(24, wx.SWISS, wx.NORMAL, wx.BOLD, False,       u'Agency FB'))    self.button_autoStopAll.Bind(wx.EVT_BUTTON, self.OnButtonAutoStopAll,       id=wxID_FRAME1BUTTONAUTOSTARTALL)

 self.combox = wx.ComboBox(self, -1, pos=wx.Point(10,100), size=wx.Size(100,50),      style=wx.CB_READONLY) #串口combox self.combox.Bind(wx.EVT_COMBOBOX_DROPDOWN, self.evt_combox_dropdown)

def evt_combox_dropdown(self, event):    print 'combox%d dropdown'%self.sta_num    serial_list = list(serial.tools.list_ports.comports())    if serial_list: #判断是否为空      portName_list = []  #转换serial handle为port name      for i in range(0, len(serial_list)):        portname = list(serial_list[i])        portName_list.append(str(portname[0]))      print portName_list        self.combox.SetItems(portName_list)

#串口自动触发检测线程class Job(threading.Thread):  ...   def run(self):    while self.__running.isSet():      self.__flag.wait()       # 为True时立即返回, 为False时阻塞直到内部的标识位为True后返回      print "into job function"	  i=0      isOpen = serial_isOpen(i)      if serial_list[i]!=1 and isOpen:        now_dsr = serial_list[i].getDSR()        if now_dsr != last_dsr[i]:          last_dsr[i] = now_dsr          print 'dsr level changed to %d'%now_dsr          if now_dsr == True:            if thread_list[i] != 1:              if ~thread_list[i].is_alive():                serial_Open(0, False)                #do something            else:              serial_Open(0, False)              #do something        break      time.sleep(1)   ...