iq_demod_only.py 7.06 KB
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Iq Demod Only
# Generated: Fri Apr 21 11:41:10 2017
##################################################

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 eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from gnuradio.qtgui import Range, RangeWidget
from optparse import OptionParser
import redpitaya_gnuradio
import sys


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

    def __init__(self):
        gr.top_block.__init__(self, "Iq Demod Only")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Iq Demod Only")
        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", "iq_demod_only")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.port = port = 1001
        self.f_dds = f_dds = 0
        self.demod_f = demod_f = 0
        self.dds_offset = dds_offset = 0
        self.dds_ampl = dds_ampl = 0
        self.addr = addr = "192.168.0.201"
        self.adc1_offset = adc1_offset = 0

        ##################################################
        # Blocks
        ##################################################
        self._f_dds_range = Range(0, 60000000, 1000, 0, 200)
        self._f_dds_win = RangeWidget(self._f_dds_range, self.set_f_dds, 'f_dds', "counter_slider", float)
        self.top_grid_layout.addWidget(self._f_dds_win, 0, 0)
        self._demod_f_range = Range(0, 60000000, 1000, 0, 200)
        self._demod_f_win = RangeWidget(self._demod_f_range, self.set_demod_f, 'demod_f', "counter_slider", float)
        self.top_grid_layout.addWidget(self._demod_f_win, 1, 1)
        self._dds_offset_range = Range(-2**13, 2**13-1, 1, 0, 200)
        self._dds_offset_win = RangeWidget(self._dds_offset_range, self.set_dds_offset, 'dds_offset', "counter_slider", int)
        self.top_grid_layout.addWidget(self._dds_offset_win, 2, 0)
        self._dds_ampl_range = Range(0, 2**13-1, 1, 0, 200)
        self._dds_ampl_win = RangeWidget(self._dds_ampl_range, self.set_dds_ampl, 'dds_ampl', "counter_slider", int)
        self.top_grid_layout.addWidget(self._dds_ampl_win, 1, 0)
        self._adc1_offset_range = Range(-2**13, 2**13-1, 1, 0, 200)
        self._adc1_offset_win = RangeWidget(self._adc1_offset_range, self.set_adc1_offset, 'adc1_offset', "counter_slider", int)
        self.top_grid_layout.addWidget(self._adc1_offset_win, 0, 1)
        self.nco_counter_send_conf_0_0 = redpitaya_gnuradio.nco_counter_send_conf(
                addr=addr,
                port=port,
                device='/dev/demod_nco',
                freq_ref=125000000,
                freq_dds=demod_f,
                acc_size=32,
                offset=0,
                pinc_sw=1,
                poff_sw=1,
        )
          
        self.nco_counter_send_conf_0 = redpitaya_gnuradio.nco_counter_send_conf(
                addr=addr,
                port=port,
                device='/dev/dds_nco',
                freq_ref=125000000,
                freq_dds=f_dds,
                acc_size=32,
                offset=0,
                pinc_sw=1,
                poff_sw=1,
        )
          
        self.add_const_set_offset_0_1 = redpitaya_gnuradio.add_const_set_offset(
                addr=addr,
                port=port,
                device='/dev/adc1_offset',
                const=adc1_offset,
        )
          
        self.add_const_set_offset_0_0 = redpitaya_gnuradio.add_const_set_offset(
                addr=addr,
                port=port,
                device='/dev/dds_ampl',
                const=dds_ampl,
        )
          
        self.add_const_set_offset_0 = redpitaya_gnuradio.add_const_set_offset(
                addr=addr,
                port=port,
                device='/dev/dds_offset',
                const=dds_offset,
        )
          

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

    def get_port(self):
        return self.port

    def set_port(self, port):
        self.port = port

    def get_f_dds(self):
        return self.f_dds

    def set_f_dds(self, f_dds):
        self.f_dds = f_dds
        self.nco_counter_send_conf_0.set_nco(device='/dev/dds_nco', freq_ref=125000000, freq_dds=self.f_dds, acc_size=32, offset=0, pinc_sw=1, poff_sw=1)

    def get_demod_f(self):
        return self.demod_f

    def set_demod_f(self, demod_f):
        self.demod_f = demod_f
        self.nco_counter_send_conf_0_0.set_nco(device='/dev/demod_nco', freq_ref=125000000, freq_dds=self.demod_f, acc_size=32, offset=0, pinc_sw=1, poff_sw=1)

    def get_dds_offset(self):
        return self.dds_offset

    def set_dds_offset(self, dds_offset):
        self.dds_offset = dds_offset
        self.add_const_set_offset_0.set_const(device='/dev/dds_offset', const=self.dds_offset)

    def get_dds_ampl(self):
        return self.dds_ampl

    def set_dds_ampl(self, dds_ampl):
        self.dds_ampl = dds_ampl
        self.add_const_set_offset_0_0.set_const(device='/dev/dds_ampl', const=self.dds_ampl)

    def get_addr(self):
        return self.addr

    def set_addr(self, addr):
        self.addr = addr

    def get_adc1_offset(self):
        return self.adc1_offset

    def set_adc1_offset(self, adc1_offset):
        self.adc1_offset = adc1_offset
        self.add_const_set_offset_0_1.set_const(device='/dev/adc1_offset', const=self.adc1_offset)


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

    from distutils.version import StrictVersion
    if StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0"):
        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 quitting():
        tb.stop()
        tb.wait()
    qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
    qapp.exec_()


if __name__ == '__main__':
    main()