apps/airprobe_rtlsdr.py

#!/usr/bin/env python2
##################################################
# GNU Radio Python Flow Graph
# Title: Airprobe Rtlsdr
# Generated: Wed Sep  2 21:46:35 2015
##################################################

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 PyQt4 import Qt
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio import qtgui
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from gnuradio.qtgui import Range, RangeWidget
from math import pi
from optparse import OptionParser
import grgsm
import osmosdr
import pmt
import sip
import sys
import time


class airprobe_rtlsdr(gr.top_block, Qt.QWidget):

    def __init__(self, fc=939.4e6, gain=30, ppm=0, samp_rate=2000000.052982, shiftoff=400e3):
        gr.top_block.__init__(self, "Airprobe Rtlsdr")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Airprobe Rtlsdr")
        try:
             self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
             pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("GNU Radio", "airprobe_rtlsdr")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.fc = fc
        self.gain = gain
        self.ppm = ppm
        self.samp_rate = samp_rate
        self.shiftoff = shiftoff

        ##################################################
        # Variables
        ##################################################
        self.ppm_slider = ppm_slider = ppm
        self.g_slider = g_slider = gain
        self.fc_slider = fc_slider = fc

        ##################################################
        # Blocks
        ##################################################
        self._ppm_slider_range = Range(-150, 150, 1, ppm, 100)
        self._ppm_slider_win = RangeWidget(self._ppm_slider_range, self.set_ppm_slider, "PPM Offset", "counter", float)
        self.top_layout.addWidget(self._ppm_slider_win)
        self._g_slider_range = Range(0, 50, 0.5, gain, 100)
        self._g_slider_win = RangeWidget(self._g_slider_range, self.set_g_slider, "Gain", "counter", float)
        self.top_layout.addWidget(self._g_slider_win)
        self._fc_slider_range = Range(925e6, 1990e6, 2e5, fc, 100)
        self._fc_slider_win = RangeWidget(self._fc_slider_range, self.set_fc_slider, "Frequency", "counter_slider", float)
        self.top_layout.addWidget(self._fc_slider_win)
        self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
        self.rtlsdr_source_0.set_sample_rate(samp_rate)
        self.rtlsdr_source_0.set_center_freq(fc_slider-shiftoff, 0)
        self.rtlsdr_source_0.set_freq_corr(ppm_slider, 0)
        self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
        self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
        self.rtlsdr_source_0.set_gain_mode(False, 0)
        self.rtlsdr_source_0.set_gain(g_slider, 0)
        self.rtlsdr_source_0.set_if_gain(20, 0)
        self.rtlsdr_source_0.set_bb_gain(20, 0)
        self.rtlsdr_source_0.set_antenna("", 0)
        self.rtlsdr_source_0.set_bandwidth(250e3+abs(shiftoff), 0)
          
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	fc_slider, #fc
        	samp_rate, #bw
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_0.enable_autoscale(False)
        self.qtgui_freq_sink_x_0.enable_grid(False)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_freq_sink_x_0.disable_legend()
        
        if complex == type(float()):
          self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "dark blue"]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.gsm_sdcch8_demapper_0 = grgsm.universal_ctrl_chans_demapper(1, ([0,4,8,12,16,20,24,28,32,36,40,44]), ([8,8,8,8,8,8,8,8,136,136,136,136]))
        self.gsm_receiver_0 = grgsm.receiver(4, ([0]), ([]))
        self.gsm_message_printer_1 = grgsm.message_printer(pmt.intern(""), False)
        self.gsm_input_0 = grgsm.gsm_input(
            ppm=0,
            osr=4,
            fc=fc,
            samp_rate_in=samp_rate,
        )
        self.gsm_decryption_0 = grgsm.decryption(([]), 1)
        self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder()
        self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
        self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(fc-shiftoff)
        self.gsm_bcch_ccch_demapper_0 = grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2]))
        self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", "4729", 10000, False)
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)
        self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*pi*shiftoff/samp_rate)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.gsm_bcch_ccch_demapper_0, 'bursts'), (self.gsm_control_channels_decoder_0, 'bursts'))    
        self.msg_connect((self.gsm_clock_offset_control_0, 'ppm'), (self.gsm_input_0, 'ppm_in'))    
        self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.blocks_socket_pdu_0, 'pdus'))    
        self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.gsm_message_printer_1, 'msgs'))    
        self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.blocks_socket_pdu_0, 'pdus'))    
        self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.gsm_message_printer_1, 'msgs'))    
        self.msg_connect((self.gsm_decryption_0, 'bursts'), (self.gsm_control_channels_decoder_0_0, 'bursts'))    
        self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_bcch_ccch_demapper_0, 'bursts'))    
        self.msg_connect((self.gsm_receiver_0, 'measurements'), (self.gsm_clock_offset_control_0, 'measurements'))    
        self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_sdcch8_demapper_0, 'bursts'))    
        self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'), (self.gsm_decryption_0, 'bursts'))    
        self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0))    
        self.connect((self.blocks_rotator_cc_0, 0), (self.qtgui_freq_sink_x_0, 0))    
        self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))    
        self.connect((self.rtlsdr_source_0, 0), (self.blocks_rotator_cc_0, 0))    

    def closeEvent(self, event):
        self.settings = Qt.QSettings("GNU Radio", "airprobe_rtlsdr")
        self.settings.setValue("geometry", self.saveGeometry())
        event.accept()

    def get_fc(self):
        return self.fc

    def set_fc(self, fc):
        self.fc = fc
        self.set_fc_slider(self.fc)
        self.gsm_input_0.set_fc(self.fc)

    def get_gain(self):
        return self.gain

    def set_gain(self, gain):
        self.gain = gain
        self.set_g_slider(self.gain)

    def get_ppm(self):
        return self.ppm

    def set_ppm(self, ppm):
        self.ppm = ppm
        self.set_ppm_slider(self.ppm)

    def get_samp_rate(self):
        return self.samp_rate

    def set_samp_rate(self, samp_rate):
        self.samp_rate = samp_rate
        self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate)
        self.gsm_input_0.set_samp_rate_in(self.samp_rate)
        self.qtgui_freq_sink_x_0.set_frequency_range(self.fc_slider, self.samp_rate)
        self.rtlsdr_source_0.set_sample_rate(self.samp_rate)

    def get_shiftoff(self):
        return self.shiftoff

    def set_shiftoff(self, shiftoff):
        self.shiftoff = shiftoff
        self.blocks_rotator_cc_0.set_phase_inc(-2*pi*self.shiftoff/self.samp_rate)
        self.rtlsdr_source_0.set_center_freq(self.fc_slider-self.shiftoff, 0)
        self.rtlsdr_source_0.set_bandwidth(250e3+abs(self.shiftoff), 0)

    def get_ppm_slider(self):
        return self.ppm_slider

    def set_ppm_slider(self, ppm_slider):
        self.ppm_slider = ppm_slider
        self.rtlsdr_source_0.set_freq_corr(self.ppm_slider, 0)

    def get_g_slider(self):
        return self.g_slider

    def set_g_slider(self, g_slider):
        self.g_slider = g_slider
        self.rtlsdr_source_0.set_gain(self.g_slider, 0)

    def get_fc_slider(self):
        return self.fc_slider

    def set_fc_slider(self, fc_slider):
        self.fc_slider = fc_slider
        self.qtgui_freq_sink_x_0.set_frequency_range(self.fc_slider, self.samp_rate)
        self.rtlsdr_source_0.set_center_freq(self.fc_slider-self.shiftoff, 0)


if __name__ == '__main__':
    parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
    parser.add_option("-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(939.4e6),
        help="Set fc [default=%default]")
    parser.add_option("-g", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(30),
        help="Set gain [default=%default]")
    parser.add_option("-p", "--ppm", dest="ppm", type="intx", default=0,
        help="Set ppm [default=%default]")
    parser.add_option("-s", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(2000000.052982),
        help="Set samp_rate [default=%default]")
    parser.add_option("-o", "--shiftoff", dest="shiftoff", type="eng_float", default=eng_notation.num_to_str(400e3),
        help="Set shiftoff [default=%default]")
    (options, args) = parser.parse_args()
    from distutils.version import StrictVersion
    if StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0"):
        Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster'))
    qapp = Qt.QApplication(sys.argv)
    tb = airprobe_rtlsdr(fc=options.fc, gain=options.gain, ppm=options.ppm, samp_rate=options.samp_rate, shiftoff=options.shiftoff)
    tb.start()
    tb.show()

    def quitting():
        tb.stop()
        tb.wait()
    qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
    qapp.exec_()
    tb = None  # to clean up Qt widgets