python类XOFF的实例源码

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self._port_handle:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self.is_open:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self.is_open:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self._port_handle:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self.is_open:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self.is_open:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def test_WriteTimeout(self):
        """Test write() timeout."""
        # use xonxoff setting and the loop-back adapter to switch traffic on hold
        self.s.port = PORT
        self.s.write_timeout = 1.0
        self.s.xonxoff = True
        self.s.open()
        self.s.write(serial.XOFF)
        time.sleep(0.5)  # some systems need a little delay so that they can react on XOFF
        t1 = time.time()
        self.assertRaises(serial.SerialTimeoutException, self.s.write, b"timeout please" * 200)
        t2 = time.time()
        self.assertTrue(0.9 <= (t2 - t1) < 2.1, "Timeout not in the given interval ({})".format(t2 - t1))

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self.is_open:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self.is_open:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)

def test_WriteTimeout(self):
        """Test write() timeout."""
        # use xonxoff setting and the loop-back adapter to switch traffic on hold
        self.s.port = PORT
        self.s.writeTimeout = 1
        self.s.xonxoff = 1
        self.s.open()
        self.s.write(serial.XOFF)
        time.sleep(0.5) # some systems need a little delay so that they can react on XOFF
        t1 = time.time()
        self.failUnlessRaises(serial.SerialTimeoutException, self.s.write, data("timeout please"*200))
        t2 = time.time()
        self.failUnless( 0.9 <= (t2-t1) < 2.1, "Timeout not in the given interval (%s)" % (t2-t1))

def set_output_flow_control(self, enable=True):
        """\
        Manually control flow - when software flow control is enabled.
        This will do the same as if XON (true) or XOFF (false) are received
        from the other device and control the transmission accordingly.
        WARNING: this function is not portable to different platforms!
        """
        if not self._port_handle:
            raise portNotOpenError
        if enable:
            win32.EscapeCommFunction(self._port_handle, win32.SETXON)
        else:
            win32.EscapeCommFunction(self._port_handle, win32.SETXOFF)