fprint.py 文件源码

def connect(self):
        try:
            if not self.isnet:
            #print "connect to %s %d" % (self.port, self.speed)
                self.conn = serial.Serial(self.port, self.speed,\
                                     parity=serial.PARITY_NONE,\
                                     stopbits=serial.STOPBITS_ONE,\
                                     timeout=0.7,\
                                     writeTimeout=0.7)
                """ self._exitmode()
                    self.prn_devstatus()
                """
            else:
                self.conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                self.conn.connect((self.ip, self.port))
            self.MAX_WIDTH=self.DEVICE['dev_wchar']
            self.MAX_PIXELS_WIDTH=self.DEVICE['dev_wpix'] 
            self.debug("connected")
            return True
        except:
            return False