Houston, we have a trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 343 insertions, 0 deletions

diff --git a/gnuradio-examples/python/multi_usrp/multi_usrp_oscope.py b/gnuradio-examples/python/multi_usrp/multi_usrp_oscope.py
new file mode 100755
index 000000000..d64cd1e64
--- /dev/null
+++ b/gnuradio-examples/python/multi_usrp/multi_usrp_oscope.py
@@ -0,0 +1,343 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2005,2006 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio 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, or (at your option)
+# any later version.
+# 
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+# 
+
+# print "Loading revised usrp_oscope with additional options for scopesink..."
+
+from gnuradio import gr, gru
+from gnuradio import usrp
+from gnuradio import eng_notation
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import stdgui, fftsink, waterfallsink, scopesink, form, slider
+from optparse import OptionParser
+import wx
+import sys
+
+import time
+from gnuradio import usrp_multi
+
+
+def pick_subdevice(u):
+    """
+    The user didn't specify a subdevice on the command line.
+    If there's a daughterboard on A, select A.
+    If there's a daughterboard on B, select B.
+    Otherwise, select A.
+    """
+    if u.db[0][0].dbid() >= 0:       # dbid is < 0 if there's no d'board or a problem
+        return (0, 0)
+    if u.db[1][0].dbid() >= 0:
+        return (1, 0)
+    return (0, 0)
+
+
+class app_flow_graph(stdgui.gui_flow_graph):
+    def __init__(self, frame, panel, vbox, argv):
+        stdgui.gui_flow_graph.__init__(self)
+
+        self.frame = frame
+        self.panel = panel
+        
+        parser = OptionParser(option_class=eng_option)
+        parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
+                          help="select USRP Rx side A or B (default=first one with a daughterboard)")
+        parser.add_option("-d", "--decim", type="int", default=128,
+                          help="set fgpa decimation rate to DECIM [default=%default]")
+        parser.add_option("-f", "--freq", type="eng_float", default=None,
+                          help="set frequency to FREQ", metavar="FREQ")
+        parser.add_option("-g", "--gain", type="eng_float", default=None,
+                          help="set gain in dB (default is midpoint)")
+        #align interval is default not yet enabled in gr.align_on_samplenumbers_ss
+        #parser.add_option("-a", "--align_interval", type="int", default=-1,
+        #                  help="Align master and slave every so much samples.")
+
+        # width 8 does not work yet with multi_usrp because it interferes with the 32 bit samplecounter
+        #parser.add_option("-8", "--width-8", action="store_true", default=False,
+        #                  help="Enable 8-bit samples across USB")
+        parser.add_option("-m", "--mux", type="intx", default=None,
+                          help="set fpga FR_RX_MUX register to MUX")
+        parser.add_option("-n", "--frame-decim", type="int", default=1,
+                          help="set oscope frame decimation factor to n [default=1]")
+        parser.add_option("-N", "--nchan", type="int", default=2,
+                          help="set nchannels to NCHAN")
+        parser.add_option("-q", "--show-q", action="store_true", default=False,
+                          help="show the q value of the complex samples")
+        parser.add_option("-s", "--show-counters", action="store_true", default=False,
+                          help="show the counters")
+        parser.add_option("-v", "--v-scale", type="eng_float", default=1000,
+                          help="set oscope initial V/div to SCALE [default=%default]")
+        parser.add_option("-t", "--t-scale", type="eng_float", default=49e-6,
+                          help="set oscope initial s/div to SCALE [default=50us]")
+        parser.add_option("-x", "--master-serialno", type="string", default=None, 
+                          help="Serial_no of the usrp which should be the MASTER (default= select any)")
+        (options, args) = parser.parse_args()
+        if len(args) != 0:
+            parser.print_help()
+            sys.exit(1)
+
+        self.show_debug_info = True
+        
+        # build the graph
+
+        #self.u = usrp.source_c(which=options.which_usrp,decim_rate=options.decim)
+        if (options.mux is None) | (4==options.nchan):
+           init_mux=None #use default mux which is 0x10321032
+        else:
+           init_mux=options.mux
+
+        init_gain=0.0
+        init_freq=0.0
+        init_align_interval=-1
+
+        self.multi=usrp_multi.multi_source_align( self,   options.master_serialno, options.decim,
+                                                 options.nchan, init_gain, init_freq, init_mux, init_align_interval)
+        self.um=self.multi.get_master_usrp()
+        self.us=self.multi.get_slave_usrp()
+
+        if options.rx_subdev_spec is None:
+            options.rx_subdev_spec = pick_subdevice(self.um)
+        if (options.mux==None) and (options.nchan!=4):
+          mux=usrp.determine_rx_mux_value(self.um, options.rx_subdev_spec)
+          mux= (mux<<8 & 0xffffffff) | (mux & 0xff)
+          self.um.set_mux(mux)
+          self.us.set_mux(mux)
+
+        # width 8 does not work yet with multi_usrp because it interferes with the 32 bit samplecounter
+        #if options.width_8:
+        #    width = 8
+        #    shift = 8
+        #    format = self.um.make_format(width, shift)
+        #    r = self.um.set_format(format)
+        #    r = self.us.set_format(format)
+            
+        # determine the daughterboard subdevice of the first channel we're using
+        self.subdevm = usrp.selected_subdev(self.um, options.rx_subdev_spec)
+        self.subdevs = usrp.selected_subdev(self.us, options.rx_subdev_spec)
+
+        input_rate = self.um.adc_freq() / self.um.decim_rate()
+
+        self.scope = scopesink.scope_sink_f(self, panel, sample_rate=input_rate,
+                                            frame_decim=options.frame_decim,
+                                            v_scale=options.v_scale,
+                                            t_scale=options.t_scale)
+        self.sink_count=0
+        self.add_to_scope((self.multi.get_master_source_c(),1),options.show_q)
+        self.add_to_scope((self.multi.get_slave_source_c(),1),options.show_q)
+        if 4==options.nchan:
+          self.add_to_scope((self.multi.get_master_source_c(),2),options.show_q)
+          self.add_to_scope((self.multi.get_slave_source_c(),2),options.show_q)
+
+        if options.show_counters:
+          self.add_to_scope((self.multi.get_master_source_c(),0),options.show_q)
+          self.add_to_scope((self.multi.get_slave_source_c(),0),options.show_q)
+
+        self._build_gui(vbox)
+
+        # set initial values
+
+        if options.gain is None:
+            # if no gain was specified, use the mid-point in dB
+            g = self.subdevm.gain_range()
+            options.gain = float(g[0]+g[1])/2
+
+        if options.freq is None:
+            # if no freq was specified, use the mid-point
+            r = self.subdevm.freq_range()
+            options.freq = float(r[0]+r[1])/2
+
+        self.set_gain(options.gain)
+
+        if self.show_debug_info:
+            self.myform['decim'].set_value(self.um.decim_rate())
+            self.myform['fs@usb'].set_value(self.um.adc_freq() / self.um.decim_rate())
+            self.myform['dbname'].set_value(self.subdevm.name())
+            self.myform['baseband'].set_value(0)
+            self.myform['ddc'].set_value(0)
+                        
+        if not(self.set_freq(options.freq)):
+            self._set_status_msg("Failed to set initial frequency")
+
+        self.multi.print_db_info()
+        self.unsynced=True
+        frame.Bind(wx.EVT_IDLE, self.onIdle)
+
+    def add_to_scope(self,source_c,show_q):
+        c2f= gr.complex_to_float ()
+        self.connect(source_c, c2f)
+        self.connect((c2f,0), (self.scope,self.sink_count))
+        self.sink_count=self.sink_count+1
+        if show_q:
+          self.connect((c2f,1), (self.scope,self.sink_count))
+          self.sink_count=self.sink_count+1
+        
+        
+    def _set_status_msg(self, msg):
+        self.frame.GetStatusBar().SetStatusText(msg, 0)
+
+    def _build_gui(self, vbox):
+
+        def _form_set_freq(kv):
+            return self.set_freq(kv['freq'])
+            
+        vbox.Add(self.scope.win, 10, wx.EXPAND)
+        
+        # add control area at the bottom
+        self.myform = myform = form.form()
+        hbox = wx.BoxSizer(wx.HORIZONTAL)
+        hbox.Add((5,0), 0, 0)
+        myform['freq'] = form.float_field(
+            parent=self.panel, sizer=hbox, label="Center freq", weight=1,
+            callback=myform.check_input_and_call(_form_set_freq, self._set_status_msg))
+
+        hbox.Add((5,0), 0, 0)
+        g = self.subdevm.gain_range()
+        myform['gain'] = form.slider_field(parent=self.panel, sizer=hbox, label="Gain",
+                                           weight=3,
+                                           min=int(g[0]), max=int(g[1]),
+                                           callback=self.set_gain)
+
+        hbox.Add((5,0), 0, 0)
+        buttonSync = form.button_with_callback(parent=self.panel, label='sync',callback=self.sync_usrps)
+        hbox.Add(buttonSync,0,wx.EXPAND)
+
+        hbox.Add((5,0), 0, 0)
+        vbox.Add(hbox, 0, wx.EXPAND)
+
+        self._build_subpanel(vbox)
+
+    def _build_subpanel(self, vbox_arg):
+        # build a secondary information panel (sometimes hidden)
+
+        # FIXME figure out how to have this be a subpanel that is always
+        # created, but has its visibility controlled by foo.Show(True/False)
+        
+        if not(self.show_debug_info):
+            return
+
+        panel = self.panel
+        vbox = vbox_arg
+        myform = self.myform
+
+        #panel = wx.Panel(self.panel, -1)
+        #vbox = wx.BoxSizer(wx.VERTICAL)
+
+        hbox = wx.BoxSizer(wx.HORIZONTAL)
+        hbox.Add((5,0), 0)
+        myform['decim'] = form.static_float_field(
+            parent=panel, sizer=hbox, label="Decim")
+
+        hbox.Add((5,0), 1)
+        myform['fs@usb'] = form.static_float_field(
+            parent=panel, sizer=hbox, label="Fs@USB")
+
+        hbox.Add((5,0), 1)
+        myform['dbname'] = form.static_text_field(
+            parent=panel, sizer=hbox)
+
+        hbox.Add((5,0), 1)
+        myform['baseband'] = form.static_float_field(
+            parent=panel, sizer=hbox, label="Analog BB")
+
+        hbox.Add((5,0), 1)
+        myform['ddc'] = form.static_float_field(
+            parent=panel, sizer=hbox, label="DDC")
+
+        hbox.Add((5,0), 0)
+        vbox.Add(hbox, 0, wx.EXPAND)
+
+
+    def set_freq(self, target_freq, sync=True):
+        """
+        Set the center frequency we're interested in for all channels,
+        on all rx daughterboards on MASTER and SLAVE.
+
+        @param target_freq: frequency in Hz
+        @param sync: sync the usrps after setting the freqs (this will clear any phase differences in the DDCS)
+        @rypte: bool
+
+        Tuning is a two step process.  First we ask the front-end to
+        tune as close to the desired frequency as it can.  Then we use
+        the result of that operation and our target_frequency to
+        determine the value for the digital down converter.
+        """
+        result,r1,r2,r3,r4 = self.multi.tune_all_rx(target_freq)
+        if sync:
+          self.sync_usrps() #sync master and slave and clear any DDC phase differences
+        if r1:
+            self.myform['freq'].set_value(target_freq)     # update displayed value
+            if self.show_debug_info:
+                self.myform['baseband'].set_value(r1.baseband_freq)
+                self.myform['ddc'].set_value(r1.dxc_freq)
+        return result
+
+    def set_freq_chan0(self, target_freq, sync=True):
+        """
+        Set the center frequency we're interested in for rx chan 0 only on MASTER and SLAVE.
+
+        @param target_freq: frequency in Hz
+        @param sync: sync the usrps after setting the freqs (this will clear any phase differences in the DDCS)
+        @rypte: bool
+
+        Tuning is a two step process.  First we ask the front-end to
+        tune as close to the desired frequency as it can.  Then we use
+        the result of that operation and our target_frequency to
+        determine the value for the digital down converter.
+        """
+        rm = usrp.tune(self.um, 0, self.subdevm, target_freq)
+        rs = usrp.tune(self.us, 0, self.subdevs, target_freq)
+        r=rm
+        if sync:
+          self.sync_usrps()  #sync master and slave and clear any DDC phase differences
+        if r:
+            self.myform['freq'].set_value(target_freq)     # update displayed value
+            if self.show_debug_info:
+                self.myform['baseband'].set_value(r.baseband_freq)
+                self.myform['ddc'].set_value(r.dxc_freq)
+            return True
+
+        return False
+
+    def set_gain(self, gain):
+        self.myform['gain'].set_value(gain)     # update displayed value
+        self.multi.set_gain_all_rx(gain)
+
+    def set_gain_chan0(self, gain):
+        self.myform['gain'].set_value(gain)     # update displayed value
+        self.subdevm.set_gain(gain)
+        self.subdevs.set_gain(gain)
+
+    def onIdle(self,evt):
+        if self.unsynced:
+          time.sleep(0.5)
+          self.unsynced=True
+          self.multi.sync()
+          self.unsynced=False
+          #print 'synced'
+
+    def sync_usrps(self):
+        self.multi.sync()
+
+def main ():
+    app = stdgui.stdapp(app_flow_graph, "MULTI_USRP O'scope", nstatus=1)
+    app.MainLoop()
+
+if __name__ == '__main__':
+    main ()