diff options
Diffstat (limited to 'examples/gsm_receiver_usrp_test.py')
| -rwxr-xr-x | examples/gsm_receiver_usrp_test.py | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/examples/gsm_receiver_usrp_test.py b/examples/gsm_receiver_usrp_test.py new file mode 100755 index 0000000..f34699d --- /dev/null +++ b/examples/gsm_receiver_usrp_test.py @@ -0,0 +1,183 @@ +#!/usr/bin/env python +################################################## +# Gnuradio Python Flow Graph +# Title: Gsm Receiver Usrp Test +# Generated: Wed Aug 6 15:18:47 2014 +################################################## + +from gnuradio import eng_notation +from gnuradio import gr +from gnuradio import uhd +from gnuradio import wxgui +from gnuradio.eng_option import eng_option +from gnuradio.fft import window +from gnuradio.filter import firdes +from gnuradio.wxgui import fftsink2 +from gnuradio.wxgui import forms +from grc_gnuradio import wxgui as grc_wxgui +from optparse import OptionParser +import gsm +import time +import wx + +class gsm_receiver_usrp_test(grc_wxgui.top_block_gui): + + def __init__(self, length=30): + grc_wxgui.top_block_gui.__init__(self, title="Gsm Receiver Usrp Test") + _icon_path = "/home/piotr/.local/share/icons/hicolor/32x32/apps/gnuradio-grc.png" + self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) + + ################################################## + # Parameters + ################################################## + self.length = length + + ################################################## + # Variables + ################################################## + self.samp_rate = samp_rate = 100e6/100 + self.g = g = 28 + self.fc = fc = 937e6 + + ################################################## + # Blocks + ################################################## + _g_sizer = wx.BoxSizer(wx.VERTICAL) + self._g_text_box = forms.text_box( + parent=self.GetWin(), + sizer=_g_sizer, + value=self.g, + callback=self.set_g, + label='g', + converter=forms.float_converter(), + proportion=0, + ) + self._g_slider = forms.slider( + parent=self.GetWin(), + sizer=_g_sizer, + value=self.g, + callback=self.set_g, + minimum=0, + maximum=50, + num_steps=100, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.Add(_g_sizer) + _fc_sizer = wx.BoxSizer(wx.VERTICAL) + self._fc_text_box = forms.text_box( + parent=self.GetWin(), + sizer=_fc_sizer, + value=self.fc, + callback=self.set_fc, + label='fc', + converter=forms.float_converter(), + proportion=0, + ) + self._fc_slider = forms.slider( + parent=self.GetWin(), + sizer=_fc_sizer, + value=self.fc, + callback=self.set_fc, + minimum=900e6, + maximum=1000e6, + num_steps=500, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.Add(_fc_sizer) + self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( + self.GetWin(), + baseband_freq=fc, + y_per_div=10, + y_divs=10, + ref_level=0, + ref_scale=2.0, + sample_rate=samp_rate, + fft_size=1024, + fft_rate=15, + average=False, + avg_alpha=None, + title="FFT Plot", + peak_hold=False, + ) + self.GridAdd(self.wxgui_fftsink2_0.win, 1, 1, 1, 1) + self.uhd_usrp_source_0 = uhd.usrp_source( + ",".join(("addr=192.168.9.2", "")), + uhd.stream_args( + cpu_format="fc32", + channels=range(1), + ), + ) + self.uhd_usrp_source_0.set_clock_source("external", 0) + self.uhd_usrp_source_0.set_samp_rate(samp_rate) + self.uhd_usrp_source_0.set_center_freq(fc, 0) + self.uhd_usrp_source_0.set_gain(g, 0) + self.gsm_receiver_hier_0 = gsm.receiver_hier(samp_rate, 4) + self.gsm_get_bcch_or_ccch_bursts_0 = gsm.get_bcch_or_ccch_bursts(2) + self.gsm_control_channels_decoder_0 = gsm.control_channels_decoder() + + ################################################## + # Connections + ################################################## + self.connect((self.uhd_usrp_source_0, 0), (self.gsm_receiver_hier_0, 0)) + self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0)) + + ################################################## + # Asynch Message Connections + ################################################## + self.msg_connect(self.gsm_receiver_hier_0, "bursts", self.gsm_get_bcch_or_ccch_bursts_0, "bursts") + self.msg_connect(self.gsm_get_bcch_or_ccch_bursts_0, "bursts", self.gsm_control_channels_decoder_0, "bursts") + + + def get_length(self): + return self.length + + def set_length(self, length): + self.length = length + + def get_samp_rate(self): + return self.samp_rate + + def set_samp_rate(self, samp_rate): + self.samp_rate = samp_rate + self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) + self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate) + + def get_g(self): + return self.g + + def set_g(self, g): + self.g = g + self._g_slider.set_value(self.g) + self._g_text_box.set_value(self.g) + self.uhd_usrp_source_0.set_gain(self.g, 0) + + def get_fc(self): + return self.fc + + def set_fc(self, fc): + self.fc = fc + self.uhd_usrp_source_0.set_center_freq(self.fc, 0) + self.wxgui_fftsink2_0.set_baseband_freq(self.fc) + self._fc_slider.set_value(self.fc) + self._fc_text_box.set_value(self.fc) + +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()" + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + parser.add_option("", "--length", dest="length", type="eng_float", default=eng_notation.num_to_str(30), + help="Set length [default=%default]") + (options, args) = parser.parse_args() + tb = gsm_receiver_usrp_test(length=options.length) + tb.Start(True) + tb.Wait() |