From 5d69a524f81f234b3fbc41d49ba18d6f6886baba Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Thu, 3 Aug 2006 04:51:51 +0000
Subject: Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
---
.../python/multi_usrp/multi_usrp_oscope.py | 343 +++++++++++++++++++++
1 file changed, 343 insertions(+)
create mode 100755 gnuradio-examples/python/multi_usrp/multi_usrp_oscope.py
(limited to 'gnuradio-examples/python/multi_usrp/multi_usrp_oscope.py')
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 0000000000..d64cd1e641
--- /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 ()
--
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