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#!/usr/bin/env python
"""
Copyright 2009 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion 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 2
of the License, or (at your option) any later version.
GNU Radio Companion 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
"""
from gnuradio import usrp2
import subprocess
import os
import pygtk
pygtk.require('2.0')
import gtk
import gobject
from gnuradio.grc.gui.Dialogs import TextDisplay
from gnuradio.grc.python.Platform import Platform
platform = Platform()
flow_graph = platform.get_new_flow_graph()
block = flow_graph.get_new_block('usrp2_probe')
##all params
usrp_interface_param = block.get_param('interface')
usrp_type_param = block.get_param('type')
def get_input(param):
param.validate()
input = param.get_input()
return input
class USRP2ProbeWindow(gtk.Window):
"""
The main window for USRP Dignostics.
"""
def delete_event(self, widget, event, data=None): return False
def destroy(self, widget, data=None): gtk.main_quit()
def __init__(self):
"""
USRP2ProbeWindow contructor.
Create a new gtk Dialog with a close button, USRP2 input paramaters, and output labels.
"""
self.usrp2_macs = list()
gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
#quit signals
self.connect("delete_event", self.delete_event)
self.connect("destroy", self.destroy)
#set the title
self.set_title('USRP2 Probe')
#create decorative frame
frame = gtk.Frame()
self.add(frame)
#create vbox for storage
vbox = gtk.VBox()
frame.add(vbox)
vbox.pack_start(get_input(usrp_interface_param), False)
vbox.pack_start(get_input(usrp_type_param), False)
#make the tree model for holding mac addrs
self.treestore = gtk.TreeStore(gobject.TYPE_STRING)
self.treeview = gtk.TreeView(self.treestore)
self.treeview.set_enable_search(False) #disable pop up search box
self.treeview.add_events(gtk.gdk.BUTTON_PRESS_MASK)
self.treeview.connect('button_press_event', self._handle_selection)
selection = self.treeview.get_selection()
selection.set_mode('single')
selection.connect('changed', self._handle_selection)
renderer = gtk.CellRendererText()
column = gtk.TreeViewColumn('Select a USRP2 MAC Address', renderer, text=0)
self.treeview.append_column(column)
vbox.pack_start(self.treeview, False)
#create probe button
self.probe_button = gtk.Button('Probe')
self.probe_button.connect('clicked', self._probe_usrp2)
vbox.pack_start(self.probe_button, False)
#Create a text box for USRP queries
self.query_buffer = TextDisplay()
self.query_buffer.set_text(block.get_doc())
vbox.pack_start(self.query_buffer)
self.show_all()
self.treeview.hide()
def _probe_usrp2(self, widget=None):
"""Probe the USRP2 device and copy the results into the query text box."""
#call find usrps
args = ['find_usrps']
interface = usrp_interface_param.evaluate()
if interface: args.extend(['-e', interface])
p = subprocess.Popen(args=args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, universal_newlines=True)
msg = p.stdout.read()
#extract mac addrs
self.usrp2_macs = sorted(map(lambda l: l.split()[0], filter(lambda l: l.count(':') >= 5, msg.strip().splitlines())))
#set the tree store with the mac addrs
self.treestore.clear()
for usrp2_mac in self.usrp2_macs: self.treestore.append(None, (usrp2_mac,))
#set the text with the error message for 0 found, hide the list
#when only 1 usrp2, auto handle selection, hide the list
#for multiple usrp2, show the list
if not self.usrp2_macs:
self.treeview.hide()
self.query_buffer.set_text(msg)
elif len(self.usrp2_macs) == 1:
self.treeview.hide()
self.query_buffer.set_text('')
self._handle_selection()
else:
self.treeview.show()
self.query_buffer.set_text('')
def _handle_selection(self, *args, **kwargs):
"""A selection change or click occured."""
#get the mac addr
selection = self.treeview.get_selection()
treestore, iter = selection.get_selected()
mac_addr = iter and treestore.get_value(iter, 0) or ''
if not mac_addr and len(self.usrp2_macs) > 1:
return #no empty mac addrs for when multiple found
#make the usrp2 object
make, rate_attr = {
'rx': (usrp2.source_32fc, 'adc_rate'),
'tx': (usrp2.sink_32fc, 'dac_rate'),
}[usrp_type_param.evaluate()]
interface = usrp_interface_param.evaluate()
try:
if not interface and not mac_addr: u = make()
elif not mac_addr: u = make(interface)
else: u = make(interface, mac_addr)
msg = ">>> USRP2 Probe\n"
msg = "%s\nMAC Addr:\n\t%s\n"%(msg, u.mac_addr())
msg = "%s\nName (ID):\n\t%s\n"%(msg, u.daughterboard_id())
msg = "%s\nConverter Rate:\n\t%s Hz\n"%(msg, getattr(u, rate_attr)())
gain_min, gain_max, gain_step = u.gain_range()
msg = "%s\nGain Range (min, max, step size):\n\t%s\n\t%s\n\t%s\n"%(msg, gain_min, gain_max, gain_step)
freq_min, freq_max = u.freq_range()
msg = "%s\nFreq Range (min, max):\n\t%s Hz\n\t%s Hz\n"%(msg, freq_min, freq_max)
self.query_buffer.set_text(msg)
except Exception, e: #display the error message
self.query_buffer.set_text('>>> Error\n%s'%str(e))
if __name__ == '__main__':
#setup icon using icon theme
try: gtk.window_set_default_icon(gtk.IconTheme().load_icon('gnuradio-grc', 256, 0))
except: pass
#enter the mainloop
USRP2ProbeWindow()
gtk.main()
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