1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
#
# Copyright 2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio.
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
###############################################################################
# Imports
###############################################################################
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
import gui
import sys
import os
from PyQt5 import Qt, QtGui, QtCore, uic
import PyQt5.Qwt5 as Qwt
from gnuradio import zeromq
import signal
class gui(QtGui.QMainWindow):
def __init__(self, window_name, options, parent=None):
QtGui.QMainWindow.__init__(self, parent)
# give Ctrl+C back to system
signal.signal(signal.SIGINT, signal.SIG_DFL)
self.gui = uic.loadUi(os.path.join(
os.path.dirname(__file__), 'main_window.ui'), self)
self.update_timer = Qt.QTimer()
# socket addresses
rpc_adr_server = "tcp://" + options.servername + ":6666"
rpc_adr_client = "tcp://" + options.clientname + ":6667"
probe_adr_server = "tcp://" + options.servername + ":5556"
probe_adr_client = "tcp://" + options.clientname + ":5557"
# ZeroMQ
self.probe_manager = zeromq.probe_manager()
self.probe_manager.add_socket(
probe_adr_server, 'float32', self.plot_data_server)
self.probe_manager.add_socket(
probe_adr_client, 'float32', self.plot_data_client)
self.rpc_mgr_server = zeromq.rpc_manager()
self.rpc_mgr_server.set_request_socket(rpc_adr_server)
self.rpc_mgr_client = zeromq.rpc_manager()
self.rpc_mgr_client.set_request_socket(rpc_adr_client)
self.gui.setWindowTitle(window_name)
self.gui.qwtPlotServer.setTitle("Signal Scope")
self.gui.qwtPlotServer.setAxisTitle(Qwt.QwtPlot.xBottom, "Samples")
self.gui.qwtPlotServer.setAxisTitle(Qwt.QwtPlot.yLeft, "Amplitude")
self.gui.qwtPlotServer.setAxisScale(Qwt.QwtPlot.xBottom, 0, 100)
self.gui.qwtPlotServer.setAxisScale(Qwt.QwtPlot.yLeft, -2, 2)
self.gui.qwtPlotClient.setTitle("Signal Scope")
self.gui.qwtPlotClient.setAxisTitle(Qwt.QwtPlot.xBottom, "Samples")
self.gui.qwtPlotClient.setAxisTitle(Qwt.QwtPlot.yLeft, "Amplitude")
self.gui.qwtPlotClient.setAxisScale(Qwt.QwtPlot.xBottom, 0, 100)
self.gui.qwtPlotClient.setAxisScale(Qwt.QwtPlot.yLeft, -2, 2)
# Grid
pen = Qt.QPen(Qt.Qt.DotLine)
pen.setColor(Qt.Qt.black)
pen.setWidth(0)
grid_server = Qwt.QwtPlotGrid()
grid_client = Qwt.QwtPlotGrid()
grid_server.setPen(pen)
grid_client.setPen(pen)
grid_server.attach(self.gui.qwtPlotServer)
grid_client.attach(self.gui.qwtPlotClient)
# Signals
self.connect(self.update_timer, QtCore.SIGNAL(
"timeout()"), self.probe_manager.watcher)
self.connect(self.gui.pushButtonRunServer, QtCore.SIGNAL(
"clicked()"), self.start_fg_server)
self.connect(self.gui.pushButtonStopServer,
QtCore.SIGNAL("clicked()"), self.stop_fg_server)
self.connect(self.gui.pushButtonRunClient, QtCore.SIGNAL(
"clicked()"), self.start_fg_client)
self.connect(self.gui.pushButtonStopClient,
QtCore.SIGNAL("clicked()"), self.stop_fg_client)
self.connect(self.gui.comboBox, QtCore.SIGNAL(
"currentIndexChanged(QString)"), self.set_waveform)
self.connect(self.gui.spinBox, QtCore.SIGNAL(
"valueChanged(int)"), self.set_gain)
self.shortcut_start = QtGui.QShortcut(
Qt.QKeySequence("Ctrl+S"), self.gui)
self.shortcut_stop = QtGui.QShortcut(
Qt.QKeySequence("Ctrl+C"), self.gui)
self.shortcut_exit = QtGui.QShortcut(
Qt.QKeySequence("Ctrl+D"), self.gui)
self.connect(self.shortcut_exit, QtCore.SIGNAL(
"activated()"), self.gui.close)
# start update timer
self.update_timer.start(30)
def start_fg_server(self):
self.rpc_mgr_server.request("start_fg")
def stop_fg_server(self):
self.rpc_mgr_server.request("stop_fg")
def start_fg_client(self):
self.rpc_mgr_client.request("start_fg")
def stop_fg_client(self):
self.rpc_mgr_client.request("stop_fg")
# plot the data from the queues
def plot_data(self, plot, samples):
self.x = list(range(0, len(samples), 1))
self.y = samples
# clear the previous points from the plot
plot.clear()
# draw curve with new points and plot
curve = Qwt.QwtPlotCurve()
curve.setPen(Qt.QPen(Qt.Qt.blue, 2))
curve.attach(plot)
curve.setData(self.x, self.y)
plot.replot()
def plot_data_server(self, samples):
self.plot_data(self.gui.qwtPlotServer, samples)
def plot_data_client(self, samples):
self.plot_data(self.gui.qwtPlotClient, samples)
def set_waveform(self, waveform_str):
self.rpc_mgr_server.request("set_waveform", [str(waveform_str)])
def set_gain(self, gain):
self.rpc_set_gain(gain)
def rpc_set_gain(self, gain):
self.rpc_mgr_server.request("set_k", [gain])
###############################################################################
# Options Parser
###############################################################################
def parse_args():
"""Options parser."""
parser = ArgumentParser()
parser.add_argument("-s", "--servername", default="localhost",
help="Server hostname")
parser.add_argument("-c", "--clientname", default="localhost",
help="Server hostname")
args = parser.parse_args()
return args
###############################################################################
# Main
###############################################################################
if __name__ == "__main__":
args = parse_args()
qapp = Qt.QApplication(sys.argv)
qapp.main_window = gui("Remote GNU Radio GUI", args)
qapp.main_window.show()
qapp.exec_()
|
