258 lines
9.8 KiB
Python
258 lines
9.8 KiB
Python
|
#!/usr/bin/env python3
|
||
|
# -*- coding: utf-8 -*-
|
||
|
|
||
|
#
|
||
|
# SPDX-License-Identifier: GPL-3.0
|
||
|
#
|
||
|
# GNU Radio Python Flow Graph
|
||
|
# Title: LoRa Receiver to UDP socket with USRP
|
||
|
# Author: FlUxIuS
|
||
|
# Copyright: PentHertz
|
||
|
# Description: Example of a schema that receive LoRa frames and write to an UDP socket to be decoded with the Scapy Layer
|
||
|
# GNU Radio version: 3.8.0.0
|
||
|
|
||
|
from distutils.version import 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 eng_notation
|
||
|
from gnuradio import qtgui
|
||
|
from gnuradio.filter import firdes
|
||
|
import sip
|
||
|
from gnuradio import gr
|
||
|
import sys
|
||
|
import signal
|
||
|
from argparse import ArgumentParser
|
||
|
from gnuradio.eng_arg import eng_float, intx
|
||
|
from gnuradio import uhd
|
||
|
import time
|
||
|
from gnuradio.qtgui import Range, RangeWidget
|
||
|
import lora
|
||
|
from gnuradio import qtgui
|
||
|
|
||
|
class LoRa_usrp_receive_to_UDP(gr.top_block, Qt.QWidget):
|
||
|
|
||
|
def __init__(self):
|
||
|
gr.top_block.__init__(self, "LoRa Receiver to UDP socket with USRP")
|
||
|
Qt.QWidget.__init__(self)
|
||
|
self.setWindowTitle("LoRa Receiver to UDP socket with USRP")
|
||
|
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", "LoRa_usrp_receive_to_UDP")
|
||
|
|
||
|
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.freq_slider = freq_slider = 868e6
|
||
|
self.channel_freq = channel_freq = 868.2e6
|
||
|
|
||
|
##################################################
|
||
|
# Blocks
|
||
|
##################################################
|
||
|
self._freq_slider_range = Range(867e6, 869e6, 1, 868e6, 200)
|
||
|
self._freq_slider_win = RangeWidget(self._freq_slider_range, self.set_freq_slider, 'Frequency', "counter_slider", float)
|
||
|
self.top_grid_layout.addWidget(self._freq_slider_win)
|
||
|
self._channel_freq_tool_bar = Qt.QToolBar(self)
|
||
|
self._channel_freq_tool_bar.addWidget(Qt.QLabel('Channel frequency' + ": "))
|
||
|
self._channel_freq_line_edit = Qt.QLineEdit(str(self.channel_freq))
|
||
|
self._channel_freq_tool_bar.addWidget(self._channel_freq_line_edit)
|
||
|
self._channel_freq_line_edit.returnPressed.connect(
|
||
|
lambda: self.set_channel_freq(eng_notation.str_to_num(str(self._channel_freq_line_edit.text()))))
|
||
|
self.top_grid_layout.addWidget(self._channel_freq_tool_bar)
|
||
|
self.uhd_usrp_source_0 = uhd.usrp_source(
|
||
|
",".join(("", "")),
|
||
|
uhd.stream_args(
|
||
|
cpu_format="fc32",
|
||
|
args='',
|
||
|
channels=[],
|
||
|
),
|
||
|
)
|
||
|
self.uhd_usrp_source_0.set_center_freq(freq_slider, 0)
|
||
|
self.uhd_usrp_source_0.set_gain(0, 0)
|
||
|
self.uhd_usrp_source_0.set_antenna('RX2', 0)
|
||
|
self.uhd_usrp_source_0.set_bandwidth(samp_rate, 0)
|
||
|
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
|
||
|
self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
|
||
|
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
|
||
|
1024, #size
|
||
|
firdes.WIN_HAMMING, #wintype
|
||
|
channel_freq, #fc
|
||
|
samp_rate, #bw
|
||
|
"", #name
|
||
|
1 #number of inputs
|
||
|
)
|
||
|
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
|
||
|
self.qtgui_waterfall_sink_x_0.enable_grid(True)
|
||
|
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
|
||
|
|
||
|
|
||
|
|
||
|
labels = ['', '', '', '', '',
|
||
|
'', '', '', '', '']
|
||
|
colors = [0, 0, 0, 0, 0,
|
||
|
0, 0, 0, 0, 0]
|
||
|
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
|
||
|
1.0, 1.0, 1.0, 1.0, 1.0]
|
||
|
|
||
|
for i in range(1):
|
||
|
if len(labels[i]) == 0:
|
||
|
self.qtgui_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
|
||
|
else:
|
||
|
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
|
||
|
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
|
||
|
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
|
||
|
|
||
|
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
|
||
|
|
||
|
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
|
||
|
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
|
||
|
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
|
||
|
1024, #size
|
||
|
firdes.WIN_BLACKMAN_hARRIS, #wintype
|
||
|
freq_slider, #fc
|
||
|
samp_rate, #bw
|
||
|
"", #name
|
||
|
1
|
||
|
)
|
||
|
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_y_label('Relative Gain', 'dB')
|
||
|
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_axis_labels(True)
|
||
|
self.qtgui_freq_sink_x_0.enable_control_panel(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 range(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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
|
||
|
self.lora_message_socket_sink_0 = lora.message_socket_sink('127.0.0.1', 40868, 0)
|
||
|
self.lora_lora_receiver_0 = lora.lora_receiver(samp_rate, 868e6, [channel_freq], 125000, 7, False, 4, True, False, False, 1, False, False)
|
||
|
|
||
|
|
||
|
|
||
|
##################################################
|
||
|
# Connections
|
||
|
##################################################
|
||
|
self.msg_connect((self.lora_lora_receiver_0, 'frames'), (self.lora_message_socket_sink_0, 'in'))
|
||
|
self.connect((self.uhd_usrp_source_0, 0), (self.lora_lora_receiver_0, 0))
|
||
|
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
|
||
|
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
|
||
|
|
||
|
def closeEvent(self, event):
|
||
|
self.settings = Qt.QSettings("GNU Radio", "LoRa_usrp_receive_to_UDP")
|
||
|
self.settings.setValue("geometry", self.saveGeometry())
|
||
|
event.accept()
|
||
|
|
||
|
def get_samp_rate(self):
|
||
|
return self.samp_rate
|
||
|
|
||
|
def set_samp_rate(self, samp_rate):
|
||
|
self.samp_rate = samp_rate
|
||
|
self.qtgui_freq_sink_x_0.set_frequency_range(self.freq_slider, self.samp_rate)
|
||
|
self.qtgui_waterfall_sink_x_0.set_frequency_range(self.channel_freq, self.samp_rate)
|
||
|
self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
|
||
|
self.uhd_usrp_source_0.set_bandwidth(self.samp_rate, 0)
|
||
|
|
||
|
def get_freq_slider(self):
|
||
|
return self.freq_slider
|
||
|
|
||
|
def set_freq_slider(self, freq_slider):
|
||
|
self.freq_slider = freq_slider
|
||
|
self.qtgui_freq_sink_x_0.set_frequency_range(self.freq_slider, self.samp_rate)
|
||
|
self.uhd_usrp_source_0.set_center_freq(self.freq_slider, 0)
|
||
|
|
||
|
def get_channel_freq(self):
|
||
|
return self.channel_freq
|
||
|
|
||
|
def set_channel_freq(self, channel_freq):
|
||
|
self.channel_freq = channel_freq
|
||
|
Qt.QMetaObject.invokeMethod(self._channel_freq_line_edit, "setText", Qt.Q_ARG("QString", eng_notation.num_to_str(self.channel_freq)))
|
||
|
self.qtgui_waterfall_sink_x_0.set_frequency_range(self.channel_freq, self.samp_rate)
|
||
|
|
||
|
|
||
|
|
||
|
def main(top_block_cls=LoRa_usrp_receive_to_UDP, 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):
|
||
|
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)
|
||
|
|
||
|
def quitting():
|
||
|
tb.stop()
|
||
|
tb.wait()
|
||
|
qapp.aboutToQuit.connect(quitting)
|
||
|
qapp.exec_()
|
||
|
|
||
|
|
||
|
if __name__ == '__main__':
|
||
|
main()
|