kopia lustrzana https://github.com/rpp0/gr-lora
245 wiersze
8.3 KiB
Python
Executable File
245 wiersze
8.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# SPDX-License-Identifier: GPL-3.0
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#
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# GNU Radio Python Flow Graph
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# Title: Lora Receive Realtime
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# GNU Radio version: 3.8.0.0
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from distutils.version import StrictVersion
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if __name__ == '__main__':
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import ctypes
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import sys
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if sys.platform.startswith('linux'):
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try:
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x11 = ctypes.cdll.LoadLibrary('libX11.so')
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x11.XInitThreads()
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except:
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print("Warning: failed to XInitThreads()")
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from PyQt5 import Qt
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from gnuradio import qtgui
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from gnuradio.filter import firdes
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import sip
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from gnuradio import gr
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import sys
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import signal
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from argparse import ArgumentParser
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from gnuradio.eng_arg import eng_float, intx
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from gnuradio import eng_notation
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import lora
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import osmosdr
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import time
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from gnuradio import qtgui
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class lora_receive_realtime(gr.top_block, Qt.QWidget):
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def __init__(self):
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gr.top_block.__init__(self, "Lora Receive Realtime")
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Qt.QWidget.__init__(self)
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self.setWindowTitle("Lora Receive Realtime")
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qtgui.util.check_set_qss()
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try:
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self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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except:
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pass
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self.top_scroll_layout = Qt.QVBoxLayout()
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self.setLayout(self.top_scroll_layout)
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self.top_scroll = Qt.QScrollArea()
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self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
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self.top_scroll_layout.addWidget(self.top_scroll)
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self.top_scroll.setWidgetResizable(True)
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self.top_widget = Qt.QWidget()
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self.top_scroll.setWidget(self.top_widget)
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self.top_layout = Qt.QVBoxLayout(self.top_widget)
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self.top_grid_layout = Qt.QGridLayout()
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self.top_layout.addLayout(self.top_grid_layout)
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self.settings = Qt.QSettings("GNU Radio", "lora_receive_realtime")
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try:
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if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
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self.restoreGeometry(self.settings.value("geometry").toByteArray())
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else:
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self.restoreGeometry(self.settings.value("geometry"))
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except:
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pass
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##################################################
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# Variables
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##################################################
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self.sf = sf = 11
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self.bw = bw = 125000
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self.target_freq = target_freq = 868.1e6
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self.symbols_per_sec = symbols_per_sec = float(bw) / (2**sf)
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self.samp_rate = samp_rate = 1e6
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self.decimation = decimation = 1
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self.capture_freq = capture_freq = 868e6
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self.bitrate = bitrate = sf * (1 / (2**sf / float(bw)))
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##################################################
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# Blocks
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##################################################
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self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
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1024, #size
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firdes.WIN_BLACKMAN_hARRIS, #wintype
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capture_freq, #fc
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samp_rate, #bw
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"", #name
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1
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)
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self.qtgui_freq_sink_x_0.set_update_time(0.10)
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self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
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self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
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self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
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self.qtgui_freq_sink_x_0.enable_autoscale(False)
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self.qtgui_freq_sink_x_0.enable_grid(False)
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self.qtgui_freq_sink_x_0.set_fft_average(1.0)
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self.qtgui_freq_sink_x_0.enable_axis_labels(True)
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self.qtgui_freq_sink_x_0.enable_control_panel(False)
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labels = ['', '', '', '', '',
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'', '', '', '', '']
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widths = [1, 1, 1, 1, 1,
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1, 1, 1, 1, 1]
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colors = ["blue", "red", "green", "black", "cyan",
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"magenta", "yellow", "dark red", "dark green", "dark blue"]
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alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0]
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for i in range(1):
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if len(labels[i]) == 0:
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self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
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else:
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self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
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self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
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self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
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self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
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self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
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self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
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self.osmosdr_source_0 = osmosdr.source(
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args="numchan=" + str(1) + " " + ''
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)
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self.osmosdr_source_0.set_time_unknown_pps(osmosdr.time_spec_t())
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self.osmosdr_source_0.set_sample_rate(samp_rate)
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self.osmosdr_source_0.set_center_freq(capture_freq, 0)
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self.osmosdr_source_0.set_freq_corr(0, 0)
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self.osmosdr_source_0.set_gain(10, 0)
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self.osmosdr_source_0.set_if_gain(20, 0)
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self.osmosdr_source_0.set_bb_gain(20, 0)
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self.osmosdr_source_0.set_antenna('', 0)
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self.osmosdr_source_0.set_bandwidth(0, 0)
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self.lora_message_socket_sink_0 = lora.message_socket_sink('127.0.0.1', 40868, 0)
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self.lora_lora_receiver_0 = lora.lora_receiver(1e6, capture_freq, [target_freq], bw, sf, False, 4, True, False, False, decimation, False, False)
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##################################################
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# Connections
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##################################################
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self.msg_connect((self.lora_lora_receiver_0, 'frames'), (self.lora_message_socket_sink_0, 'in'))
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self.connect((self.osmosdr_source_0, 0), (self.lora_lora_receiver_0, 0))
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self.connect((self.osmosdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
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def closeEvent(self, event):
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self.settings = Qt.QSettings("GNU Radio", "lora_receive_realtime")
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self.settings.setValue("geometry", self.saveGeometry())
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event.accept()
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def get_sf(self):
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return self.sf
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def set_sf(self, sf):
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self.sf = sf
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self.set_bitrate(self.sf * (1 / (2**self.sf / float(self.bw))))
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self.set_symbols_per_sec(float(self.bw) / (2**self.sf))
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self.lora_lora_receiver_0.set_sf(self.sf)
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def get_bw(self):
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return self.bw
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def set_bw(self, bw):
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self.bw = bw
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self.set_bitrate(self.sf * (1 / (2**self.sf / float(self.bw))))
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self.set_symbols_per_sec(float(self.bw) / (2**self.sf))
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def get_target_freq(self):
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return self.target_freq
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def set_target_freq(self, target_freq):
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self.target_freq = target_freq
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def get_symbols_per_sec(self):
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return self.symbols_per_sec
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def set_symbols_per_sec(self, symbols_per_sec):
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self.symbols_per_sec = symbols_per_sec
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def get_samp_rate(self):
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return self.samp_rate
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def set_samp_rate(self, samp_rate):
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self.samp_rate = samp_rate
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self.osmosdr_source_0.set_sample_rate(self.samp_rate)
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self.qtgui_freq_sink_x_0.set_frequency_range(self.capture_freq, self.samp_rate)
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def get_decimation(self):
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return self.decimation
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def set_decimation(self, decimation):
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self.decimation = decimation
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def get_capture_freq(self):
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return self.capture_freq
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def set_capture_freq(self, capture_freq):
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self.capture_freq = capture_freq
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self.lora_lora_receiver_0.set_center_freq(self.capture_freq)
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self.osmosdr_source_0.set_center_freq(self.capture_freq, 0)
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self.qtgui_freq_sink_x_0.set_frequency_range(self.capture_freq, self.samp_rate)
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def get_bitrate(self):
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return self.bitrate
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def set_bitrate(self, bitrate):
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self.bitrate = bitrate
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def main(top_block_cls=lora_receive_realtime, options=None):
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if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
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style = gr.prefs().get_string('qtgui', 'style', 'raster')
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Qt.QApplication.setGraphicsSystem(style)
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qapp = Qt.QApplication(sys.argv)
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tb = top_block_cls()
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tb.start()
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tb.show()
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def sig_handler(sig=None, frame=None):
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Qt.QApplication.quit()
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signal.signal(signal.SIGINT, sig_handler)
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signal.signal(signal.SIGTERM, sig_handler)
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timer = Qt.QTimer()
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timer.start(500)
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timer.timeout.connect(lambda: None)
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def quitting():
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tb.stop()
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tb.wait()
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qapp.aboutToQuit.connect(quitting)
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qapp.exec_()
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if __name__ == '__main__':
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main()
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