git.gag.com Git - debian/gnuradio/blob - grc/scripts/usrp2_probe

   1 #!/usr/bin/env python
   2 """
   3 Copyright 2009 Free Software Foundation, Inc.
   4 This file is part of GNU Radio
   5
   6 GNU Radio Companion is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 GNU Radio Companion is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  19 """
  20
  21 from gnuradio import usrp2
  22 import subprocess
  23 import os
  24
  25 import pygtk
  26 pygtk.require('2.0')
  27 import gtk
  28 import gobject
  29
  30 from gnuradio.grc.gui.Dialogs import TextDisplay
  31
  32 from gnuradio.grc.python.Platform import Platform
  33 platform = Platform()
  34
  35 from gnuradio.grc.gui.Platform import Platform
  36 platform = Platform(platform)
  37
  38 flow_graph = platform.get_new_flow_graph()
  39 block = flow_graph.get_new_block('usrp2_probe')
  40
  41 ##all params
  42 usrp_interface_param = block.get_param('interface')
  43 usrp_type_param = block.get_param('type')
  44
  45 class USRP2ProbeWindow(gtk.Window):
  46         """
  47         The main window for USRP Dignostics.
  48         """
  49
  50         def delete_event(self, widget, event, data=None): return False
  51
  52         def destroy(self, widget, data=None): gtk.main_quit()
  53
  54         def __init__(self):
  55                 """
  56                 USRP2ProbeWindow contructor.
  57                 Create a new gtk Dialog with a close button, USRP2 input paramaters, and output labels.
  58                 """
  59                 self.usrp2_macs = list()
  60                 gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
  61                 #quit signals
  62                 self.connect("delete_event", self.delete_event)
  63                 self.connect("destroy", self.destroy)
  64                 #set the title
  65                 self.set_title('USRP2 Probe')
  66                 #create decorative frame
  67                 frame = gtk.Frame()
  68                 self.add(frame)
  69                 #create vbox for storage
  70                 vbox = gtk.VBox()
  71                 frame.add(vbox)
  72                 vbox.pack_start(usrp_interface_param.get_input_object(), False)
  73                 vbox.pack_start(usrp_type_param.get_input_object(), False)
  74                 #make the tree model for holding mac addrs
  75                 self.treestore = gtk.TreeStore(gobject.TYPE_STRING)
  76                 self.treeview = gtk.TreeView(self.treestore)
  77                 self.treeview.set_enable_search(False) #disable pop up search box
  78                 self.treeview.add_events(gtk.gdk.BUTTON_PRESS_MASK)
  79                 self.treeview.connect('button_press_event', self._handle_selection)
  80                 selection = self.treeview.get_selection()
  81                 selection.set_mode('single')
  82                 selection.connect('changed', self._handle_selection)
  83                 renderer = gtk.CellRendererText()
  84                 column = gtk.TreeViewColumn('Select a USRP2 MAC Address', renderer, text=0)
  85                 self.treeview.append_column(column)
  86                 vbox.pack_start(self.treeview, False)
  87                 #create probe button
  88                 self.probe_button = gtk.Button('Probe')
  89                 self.probe_button.connect('clicked', self._probe_usrp2)
  90                 vbox.pack_start(self.probe_button, False)
  91                 #Create a text box for USRP queries
  92                 self.query_buffer = TextDisplay()
  93                 self.query_buffer.set_text(block.get_doc())
  94                 vbox.pack_start(self.query_buffer)
  95                 self.show_all()
  96                 self.treeview.hide()
  97
  98         def _probe_usrp2(self, widget=None):
  99                 """Probe the USRP2 device and copy the results into the query text box."""
 100                 #call find usrps
 101                 args = ['find_usrps']
 102                 interface = usrp_interface_param.evaluate()
 103                 if interface: args.extend(['-e', interface])
 104                 p = subprocess.Popen(args=args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=False, universal_newlines=True)
 105                 msg = p.stdout.read()
 106                 #extract mac addrs
 107                 self.usrp2_macs = sorted(map(lambda l: l.split()[0], filter(lambda l: l.count(':') >= 5, msg.strip().splitlines())))
 108                 #set the tree store with the mac addrs
 109                 self.treestore.clear()
 110                 for usrp2_mac in self.usrp2_macs: self.treestore.append(None, (usrp2_mac,))
 111                 #set the text with the error message for 0 found, hide the list
 112                 #when only 1 usrp2, auto handle selection, hide the list
 113                 #for multiple usrp2, show the list
 114                 if not self.usrp2_macs:
 115                         self.treeview.hide()
 116                         self.query_buffer.set_text(msg)
 117                 elif len(self.usrp2_macs) == 1:
 118                         self.treeview.hide()
 119                         self.query_buffer.set_text('')
 120                         self._handle_selection()
 121                 else:
 122                         self.treeview.show()
 123                         self.query_buffer.set_text('')
 124
 125         def _handle_selection(self, *args, **kwargs):
 126                 """A selection change or click occured."""
 127                 #get the mac addr
 128                 selection = self.treeview.get_selection()
 129                 treestore, iter = selection.get_selected()
 130                 mac_addr = iter and treestore.get_value(iter, 0) or ''
 131                 if not mac_addr and len(self.usrp2_macs) > 1:
 132                         return #no empty mac addrs for when multiple found
 133                 #make the usrp2 object
 134                 make, rate_attr = {
 135                         'rx': (usrp2.source_32fc, 'adc_rate'),
 136                         'tx': (usrp2.sink_32fc, 'dac_rate'),
 137                 }[usrp_type_param.evaluate()]
 138                 interface = usrp_interface_param.evaluate()
 139                 try:
 140                         if not interface and not mac_addr: u = make()
 141                         elif not mac_addr: u = make(interface)
 142                         else: u = make(interface, mac_addr)
 143                         msg = ">>> USRP2 Probe\n"
 144                         msg = "%s\nMAC Addr:\n\t%s\n"%(msg, u.mac_addr())
 145                         msg = "%s\nName (ID):\n\t%s\n"%(msg, u.daughterboard_id())
 146                         msg = "%s\nConverter Rate:\n\t%s Hz\n"%(msg, getattr(u, rate_attr)())
 147                         gain_min, gain_max, gain_step = u.gain_range()
 148                         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)
 149                         freq_min, freq_max = u.freq_range()
 150                         msg = "%s\nFreq Range (min, max):\n\t%s Hz\n\t%s Hz\n"%(msg, freq_min, freq_max)
 151                         self.query_buffer.set_text(msg)
 152                 except Exception, e: #display the error message
 153                         self.query_buffer.set_text('>>> Error\n%s'%str(e))
 154
 155 if __name__ == '__main__':
 156         #setup icon using icon theme
 157         try: gtk.window_set_default_icon(gtk.IconTheme().load_icon('gnuradio-grc', 256, 0))
 158         except: pass
 159         #enter the mainloop
 160         USRP2ProbeWindow()
 161         gtk.main()