/
top_block.py
executable file
·107 lines (95 loc) · 3.34 KB
/
top_block.py
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#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Top Block
# Generated: Fri Oct 25 17:52:57 2013
##################################################
from PyQt4 import Qt
from gnuradio import blocks
from gnuradio import digital
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.gr import firdes
from gnuradio.qtgui import qtgui
from grc_gnuradio import blks2 as grc_blks2
from optparse import OptionParser
import numpy
import sip
import sys
class top_block(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.random_source_x_0 = gr.vector_source_s(map(int, numpy.random.randint(0, 2, 1000)), True)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(digital.ofdm_mod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=300,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
),
),
payload_length=0,
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.random_source_x_0, 0), (self.blocks_short_to_float_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_0, 0))
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(0, self.samp_rate)
if __name__ == '__main__':
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
qapp = Qt.QApplication(sys.argv)
tb = top_block()
tb.start()
tb.show()
qapp.exec_()
tb.stop()