From ddb4c1d744b417e79cf2d263d6cd8db37c4dbcb2 Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Tue, 6 May 2014 13:40:15 -0700
Subject: zeromq: cleanup docs and examples
---
gr-zeromq/examples/python/gui.py | 164 +++++++++++++++++++++++++++++++++++++++
1 file changed, 164 insertions(+)
create mode 100755 gr-zeromq/examples/python/gui.py
(limited to 'gr-zeromq/examples/python/gui.py')
diff --git a/gr-zeromq/examples/python/gui.py b/gr-zeromq/examples/python/gui.py
new file mode 100755
index 0000000000..91223dd734
--- /dev/null
+++ b/gr-zeromq/examples/python/gui.py
@@ -0,0 +1,164 @@
+#
+# Copyright 2013 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio.
+#
+# This is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this software; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+###############################################################################
+# Imports
+###############################################################################
+from optparse import OptionParser
+from gnuradio.eng_option import eng_option
+import gui
+import sys
+import os
+from PyQt4 import Qt, QtGui, QtCore, uic
+import PyQt4.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 = 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_options():
+ """ Options parser. """
+ parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+ parser.add_option("-s", "--servername", type="string", default="localhost",
+ help="Server hostname")
+ parser.add_option("-c", "--clientname", type="string", default="localhost",
+ help="Server hostname")
+ (options, args) = parser.parse_args()
+ return options
+
+
+###############################################################################
+# Main
+###############################################################################
+if __name__ == "__main__":
+ options = parse_options()
+ qapp = Qt.QApplication(sys.argv)
+ qapp.main_window = gui("Remote GNU Radio GUI",options)
+ qapp.main_window.show()
+ qapp.exec_()
+
--
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