tcp_serial_redirect.py 文件源码

def writer(self):
        """loop forever and copy socket->serial"""
        while self.alive:
            try:
                data = self.socket.recv(1024)
                if not data:
                    break
                if self.ser_newline and self.net_newline:
                    # do the newline conversion
                    # XXX fails for CR+LF in input when it is cut in half at the begin or end of the string
                    data = ser_newline.join(data.split(net_newline))
                self.serial.write(data)                 # get a bunch of bytes and send them
                # the spy shows what's on the serial port, so log it after converting newlines
                if self.spy:
                    sys.stdout.write(codecs.escape_encode(data)[0])
                    sys.stdout.flush()
            except socket.error, msg:
                sys.stderr.write('ERROR: %s\n' % msg)
                # probably got disconnected
                break
        self.alive = False
        self.thread_read.join()