contrib/cros_wifi_noise_calibration/CalibrationViewer.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: Calibration Waveform Viewer
# GNU Radio version: 3.10.1.1

from packaging.version import Version as StrictVersion

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 PyQt5 import Qt
from gnuradio import qtgui
from gnuradio.filter import firdes
import sip
from gnuradio import blocks
from gnuradio import filter
from gnuradio import gr
from gnuradio.fft import window
import sys
import signal
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
from gnuradio import eng_notation
from gnuradio import network
from xmlrpc.server import SimpleXMLRPCServer
import threading



from gnuradio import qtgui

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

    def __init__(self):
        gr.top_block.__init__(self, "Calibration Waveform Viewer", catch_exceptions=True)
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Calibration Waveform Viewer")
        qtgui.util.check_set_qss()
        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", "CalibrationViewer")

        try:
            if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
                self.restoreGeometry(self.settings.value("geometry").toByteArray())
            else:
                self.restoreGeometry(self.settings.value("geometry"))
        except:
            pass

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 1e6
        self.center_freq = center_freq = 0

        ##################################################
        # Blocks
        ##################################################
        self.xmlrpc_server_0 = SimpleXMLRPCServer(('localhost', 8080), allow_none=True)
        self.xmlrpc_server_0.register_instance(self)
        self.xmlrpc_server_0_thread = threading.Thread(target=self.xmlrpc_server_0.serve_forever)
        self.xmlrpc_server_0_thread.daemon = True
        self.xmlrpc_server_0_thread.start()
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=2,
                decimation=1,
                taps=[],
                fractional_bw=0)
        self.qtgui_sink_x_0 = qtgui.sink_c(
            1024, #fftsize
            window.WIN_BLACKMAN_hARRIS, #wintype
            center_freq, #fc
            samp_rate*2, #bw
            "", #name
            True, #plotfreq
            True, #plotwaterfall
            False, #plottime
            False, #plotconst
            None # parent
        )
        self.qtgui_sink_x_0.set_update_time(1.0/10)
        self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.qwidget(), Qt.QWidget)

        self.qtgui_sink_x_0.enable_rf_freq(False)

        self.top_layout.addWidget(self._qtgui_sink_x_0_win)
        self.network_tcp_source_0 = network.tcp_source.tcp_source(itemsize=gr.sizeof_gr_complex*1,addr='127.0.0.1',port=1234,server=True)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)


        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_throttle_0, 0), (self.rational_resampler_xxx_0, 0))
        self.connect((self.network_tcp_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.rational_resampler_xxx_0, 0), (self.qtgui_sink_x_0, 0))


    def closeEvent(self, event):
        self.settings = Qt.QSettings("GNU Radio", "CalibrationViewer")
        self.settings.setValue("geometry", self.saveGeometry())
        self.stop()
        self.wait()

        event.accept()

    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.qtgui_sink_x_0.set_frequency_range(self.center_freq, self.samp_rate*2)

    def get_center_freq(self):
        return self.center_freq

    def set_center_freq(self, center_freq):
        self.center_freq = center_freq
        self.qtgui_sink_x_0.set_frequency_range(self.center_freq, self.samp_rate*2)




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

    if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
        style = gr.prefs().get_string('qtgui', 'style', 'raster')
        Qt.QApplication.setGraphicsSystem(style)
    qapp = Qt.QApplication(sys.argv)

    tb = top_block_cls()

    tb.start()

    tb.show()

    def sig_handler(sig=None, frame=None):
        tb.stop()
        tb.wait()

        Qt.QApplication.quit()

    signal.signal(signal.SIGINT, sig_handler)
    signal.signal(signal.SIGTERM, sig_handler)

    timer = Qt.QTimer()
    timer.start(500)
    timer.timeout.connect(lambda: None)

    qapp.exec_()

if __name__ == '__main__':
    main()