hdlc_to_ax25.py 文件源码

def __init__(self):
        gr.sync_block.__init__(self,
                               name="hdlc_to_ax25",
                               in_sig=None,
                               out_sig=None)

        (self.pty_master, self.pty_slave) = pty.openpty()
        tty = os.ttyname(self.pty_slave)

        if os.path.islink('/tmp/kiss_pty'):
            os.unlink('/tmp/kiss_pty')
        os.symlink(tty, '/tmp/kiss_pty')

        print 'KISS PTY is: /tmp/kiss_pty (%s)' % os.ttyname(self.pty_slave)

        self.message_port_register_in(pmt.intern('in'))
        self.set_msg_handler(pmt.intern('in'), self.handle_msg)
        self.count = 0
        self.dropped = 0