X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gr-msdd6000%2Fsrc%2Fpython-examples%2Fmsdd_rs_spec_an.py;fp=gr-msdd6000%2Fsrc%2Fpython-examples%2Fmsdd_rs_spec_an.py;h=4855375b8860f722376b30bf9614331b033cd0d7;hb=8a9ddbb0675f9bfcc6e03b457fba6c79474a3693;hp=0000000000000000000000000000000000000000;hpb=82d471b9b4a8b389b5da44b19c69c36420828382;p=debian%2Fgnuradio diff --git a/gr-msdd6000/src/python-examples/msdd_rs_spec_an.py b/gr-msdd6000/src/python-examples/msdd_rs_spec_an.py new file mode 100755 index 00000000..4855375b --- /dev/null +++ b/gr-msdd6000/src/python-examples/msdd_rs_spec_an.py @@ -0,0 +1,350 @@ +#!/usr/bin/env python +# +# Copyright 2009 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio 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, or (at your option) +# any later version. +# +# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +from gnuradio import gr +from gnuradio import msdd_rs +from gnuradio import eng_notation +from gnuradio.eng_option import eng_option +from gnuradio.qtgui import qtgui +from optparse import OptionParser +import sys,time + +try: + from gnuradio.qtgui import qtgui + from PyQt4 import QtGui, QtCore + import sip +except ImportError: + print "Please install gr-qtgui." + sys.exit(1) + +try: + from msdd_display_qtgui import Ui_MainWindow +except ImportError: + print "Error: could not find msdd_display_qtgui.py:" + print "\t\"pyuic4 msdd_display_qtgui.ui -o msdd_display_qtgui.py\"" + sys.exit(1) + + +# //////////////////////////////////////////////////////////////////// +# Define the QT Interface and Control Dialog +# //////////////////////////////////////////////////////////////////// + + +class main_window(QtGui.QMainWindow): + def __init__(self, snk, fg, parent=None): + + QtGui.QWidget.__init__(self, parent) + self.gui = Ui_MainWindow() + self.gui.setupUi(self) + + self.fg = fg + + # Add the qtsnk widgets to the layout box + self.gui.sinkLayout.addWidget(snk) + + self.gui.dcGainEdit.setText(QtCore.QString("%1").arg(0.001)) + + # Connect up some signals + self.connect(self.gui.pauseButton, QtCore.SIGNAL("clicked()"), + self.pauseFg) + self.connect(self.gui.frequencyEdit, QtCore.SIGNAL("editingFinished()"), + self.frequencyEditText) + self.connect(self.gui.gainEdit, QtCore.SIGNAL("editingFinished()"), + self.gainEditText) + self.connect(self.gui.bandwidthEdit, QtCore.SIGNAL("editingFinished()"), + self.bandwidthEditText) + self.connect(self.gui.amplifierEdit, QtCore.SIGNAL("editingFinished()"), + self.amplifierEditText) + + self.connect(self.gui.actionSaveData, QtCore.SIGNAL("activated()"), + self.saveData) + self.gui.actionSaveData.setShortcut(QtGui.QKeySequence.Save) + + self.connect(self.gui.dcGainEdit, QtCore.SIGNAL("editingFinished()"), + self.dcGainEditText) + self.connect(self.gui.dcCancelCheckBox, QtCore.SIGNAL("clicked(bool)"), + self.dcCancelClicked) + + def pauseFg(self): + if(self.gui.pauseButton.text() == "Pause"): + self.fg.stop() + self.fg.wait() + self.fg.stop_data() + self.gui.pauseButton.setText("Unpause") + else: + self.fg.start() + self.fg.start_data() + self.gui.pauseButton.setText("Pause") + + + # Functions to set the values in the GUI + def set_frequency(self, freq): + self.freq = freq + sfreq = eng_notation.num_to_str(self.freq) + self.gui.frequencyEdit.setText(QtCore.QString("%1").arg(sfreq)) + + def set_gain(self, gain): + self.gain = gain + self.gui.gainEdit.setText(QtCore.QString("%1").arg(self.gain)) + + def set_bandwidth(self, bw): + self.bw = bw + sbw = eng_notation.num_to_str(self.bw) + self.gui.bandwidthEdit.setText(QtCore.QString("%1").arg(sbw)) + + def set_amplifier(self, amp): + self.amp = amp + self.gui.amplifierEdit.setText(QtCore.QString("%1").arg(self.amp)) + + + # Functions called when signals are triggered in the GUI + def frequencyEditText(self): + try: + freq = eng_notation.str_to_num(self.gui.frequencyEdit.text().toAscii()) + self.fg.set_frequency(freq) + self.freq = freq + except RuntimeError: + pass + + def gainEditText(self): + try: + gain = float(self.gui.gainEdit.text()) + self.fg.set_gain(gain) + self.gain = gain + except ValueError: + pass + + def bandwidthEditText(self): + try: + bw = eng_notation.str_to_num(self.gui.bandwidthEdit.text().toAscii()) + self.fg.set_bandwidth(bw) + self.bw = bw + except ValueError: + pass + + def amplifierEditText(self): + try: + amp = float(self.gui.amplifierEdit.text()) + self.fg.set_amplifier_gain(amp) + self.amp = amp + except ValueError: + pass + + def saveData(self): + fileName = QtGui.QFileDialog.getSaveFileName(self, "Save data to file", "."); + if(len(fileName)): + self.fg.save_to_file(str(fileName)) + + def dcGainEditText(self): + gain = float(self.gui.dcGainEdit.text()) + self.fg.set_dc_gain(gain) + + def dcCancelClicked(self, state): + self.dcGainEditText() + self.fg.cancel_dc(state) + + + +class my_top_block(gr.top_block): + def __init__(self): + gr.top_block.__init__(self) + + parser = OptionParser(option_class=eng_option) + parser.add_option("-e", "--interface", type="string", default="eth0", + help="select Ethernet interface, default is eth0") + parser.add_option("-m", "--mac-addr", type="string", default="", + help="select USRP by MAC address, default is auto-select") + parser.add_option("-W", "--bw", type="float", default=1e6, + help="set bandwidth of receiver [default=%default]") + parser.add_option("-f", "--freq", type="eng_float", default="2.4G", + help="set frequency to FREQ", metavar="FREQ") + parser.add_option("-g", "--gain", type="eng_float", default=None, + help="set gain in dB (default is midpoint)") + parser.add_option("--fft-size", type="int", default=2048, + help="Set number of FFT bins [default=%default]") + (options, args) = parser.parse_args() + + if len(args) != 0: + parser.print_help() + sys.exit(1) + self.options = options + self.show_debug_info = True + + self.qapp = QtGui.QApplication(sys.argv) + +# self.u = usrp2.source_32fc(options.interface, options.mac_addr) + self.u = msdd_rs.source_simple("192.168.1.20", 10000); + self.conv = gr.interleaved_short_to_complex(); + self._adc_rate = self.u.pull_adc_freq() + self.set_bandwidth(options.bw) + + if options.gain is None: + # if no gain was specified, use the mid-point in dB +# g = self.u.gain_range() + g = [0, 10] + #options.gain = float(g[0]+g[1])/2 + options.gain = float(0) + self.set_gain(options.gain) + + if options.freq is None: + options.freq = 2.4e9; +# # if no frequency was specified, use the mid-point of the subdev +# f = self.u.freq_range() +# options.freq = float(f[0]+f[1])/2 + + self.set_frequency(options.freq) + + self._fftsize = options.fft_size + + + self._freq = options.freq; + self._bandwidth = 400; + + self.set_bandwidth(self._bandwidth); + + self.snk = qtgui.sink_c(options.fft_size, gr.firdes.WIN_BLACKMAN_hARRIS, + self._freq, self._bandwidth, + "USRP2 Display", + True, True, False, True, False) + + # Set up internal amplifier + self.amp = gr.multiply_const_cc(0.0) + self.set_amplifier_gain(0.01) + + # Create a single-pole IIR filter to remove DC + # but don't connect it yet + self.dc_gain = 0.001 + self.dc = gr.single_pole_iir_filter_cc(self.dc_gain) + self.dc_sub = gr.sub_cc() + + self.agc = gr.agc2_cc(1e-3, 1e-5, 0.01, 0.01, 10); + + self.connect(self.u, self.conv, self.snk) + #self.connect(self.u, self.conv, self.amp, self.snk) + + if self.show_debug_info: + print "Decimation rate: ", self._decim + print "Bandwidth: ", self._bandwidth +# print "D'board: ", self.u.daughterboard_id() + + # Get the reference pointer to the SpectrumDisplayForm QWidget + # Wrap the pointer as a PyQt SIP object + # This can now be manipulated as a PyQt4.QtGui.QWidget + self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget) + + self.main_win = main_window(self.pysink, self) + + self.main_win.set_frequency(self._freq) + self.main_win.set_gain(self._gain) + self.main_win.set_bandwidth(self._bandwidth) + self.main_win.set_amplifier(self._amp_value) + + self.main_win.show() + + + def save_to_file(self, name): + self.lock() + + # Add file sink to save data + self.file_sink = gr.file_sink(gr.sizeof_gr_complex, name) + self.connect(self.conv, self.file_sink) + + self.unlock() + + def set_gain(self, gain): + self._gain = gain + self.u.set_ddc_gain(self._gain) + + def set_frequency(self, freq): + self._freq = freq + r = self.u.set_rx_freq(freq) + + try: + self.snk.set_frequency_range(self._freq, self._bandwidth) + except: + pass + + def set_bandwidth(self, bw): + self._bandwidth = bw + self._decim = int(self._adc_rate / self._bandwidth) +# self.u.set_decim_rate(self._decim) + r1 = self.u.set_ddc_samp_rate( bw ); + r2 = self.u.set_ddc_bw( bw ); + self.u.start_data(); + + print r1 + print r2; + + time.sleep(0.05); + bw = self.u.pull_ddc_bw(); + sr = self.u.pull_ddc_samp_rate(); + fc = self.u.pull_rx_freq(); + + #self.snk.d_bandwidth = sr; + + print bw; + print sr; + print fc; + +# sys.exit(-1); + + try: + self.snk.set_frequency_range(self._freq, self._bandwidth) + except: + pass + + def set_amplifier_gain(self, amp): + self._amp_value = amp + self.amp.set_k(self._amp_value) + + def set_dc_gain(self, gain): + self.dc.set_taps(gain) + + def cancel_dc(self, state): + self.lock() + + if(state): + self.disconnect(self.u, self.amp) + self.connect(self.u, (self.dc_sub,0)) + self.connect(self.u, self.dc, (self.dc_sub,1)) + self.connect(self.dc_sub, self.amp) + else: + self.disconnect(self.dc_sub, self.amp) + self.disconnect(self.dc, (self.dc_sub,1)) + self.disconnect(self.u, self.dc) + self.disconnect(self.u, (self.dc_sub,0)) + self.connect(self.u, self.amp) + + self.unlock() + +def main (): + tb = my_top_block() + tb.start() + tb.u.start_data(); + tb.snk.exec_(); + +if __name__ == '__main__': + try: + main () + except KeyboardInterrupt: + pass +