tcp_client.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Tcp Client
# Generated: Thu Sep 27 19:09:03 2018
##################################################


if __name__ == '__main__':
    import ctypes
    import sys
    if sys.platform.startswith('linux'):
        try:
            x11 = ctypes.cdll.LoadLibrary('libX11.so')
            x11.XInitThreads()
        except:
            print "Warning: failed to XInitThreads()"

from gnuradio import analog
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from gnuradio.wxgui import forms
from grc_gnuradio import blks2 as grc_blks2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import wx


class tcp_client(grc_wxgui.top_block_gui):

    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Tcp Client")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000
        self.freq = freq = 1e3

        ##################################################
        # Blocks
        ##################################################
        _freq_sizer = wx.BoxSizer(wx.VERTICAL)
        self._freq_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_freq_sizer,
        	value=self.freq,
        	callback=self.set_freq,
        	label='Frequency',
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._freq_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_freq_sizer,
        	value=self.freq,
        	callback=self.set_freq,
        	minimum=0,
        	maximum=16e3,
        	num_steps=1000,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.Add(_freq_sizer)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True)
        self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
        	itemsize=gr.sizeof_float*1,
        	addr='127.0.0.1',
        	port=12345,
        	server=False,
        )
        self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, freq, 1, 0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blks2_tcp_sink_0, 0))

    def get_samp_rate(self):
        return self.samp_rate

    def set_samp_rate(self, samp_rate):
        self.samp_rate = samp_rate
        self.blocks_throttle_0.set_sample_rate(self.samp_rate)
        self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)

    def get_freq(self):
        return self.freq

    def set_freq(self, freq):
        self.freq = freq
        self._freq_slider.set_value(self.freq)
        self._freq_text_box.set_value(self.freq)
        self.analog_sig_source_x_0.set_frequency(self.freq)


def main(top_block_cls=tcp_client, options=None):

    tb = top_block_cls()
    tb.Start(True)
    tb.Wait()


if __name__ == '__main__':
    main()