#!/usr/bin/python3

#

# Copyright © 2015 Hasan Yavuz Özderya

#

# This file is part of serialplot.

#

# serialplot is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# serialplot is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

#

import os, pty, time

def run():

    # create the pseudo terminal

    master, slave = pty.openpty()

    slave_name = os.ttyname(slave)

    print("Slave terminal: {}".format(slave_name))

    masterw = os.fdopen(master, 'w')

    masterr = os.fdopen(master, 'r')

    while True:

        line = masterr.read(4)

        print(">" + line)

        if (line.strip() == "data"):

            masterw.write("1,1\r\n")

        time.sleep(0.01)

if __name__ == "__main__":

    run()