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[Commit-gnuradio] r4459 - gnuradio/branches/developers/nldudok1/general-
From: |
nldudok1 |
Subject: |
[Commit-gnuradio] r4459 - gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna |
Date: |
Mon, 12 Feb 2007 15:15:51 -0700 (MST) |
Author: nldudok1
Date: 2007-02-12 15:15:51 -0700 (Mon, 12 Feb 2007)
New Revision: 4459
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff.py
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff_fm.py
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/multi_phasediff.py
Modified:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/Makefile.am
Log:
added examples which graphically show phasediff between multi-antennas
Modified:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/Makefile.am
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/Makefile.am
2007-02-12 21:55:06 UTC (rev 4458)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/Makefile.am
2007-02-12 22:15:51 UTC (rev 4459)
@@ -22,4 +22,7 @@
EXTRA_DIST = \
multi_fft.py \
multi_file.py \
- multi_scope.py
+ multi_scope.py \
+ multi_phasediff.py \
+ double_phasediff.py \
+ double_phasediff_fm.py
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff.py
2007-02-12 22:15:51 UTC (rev 4459)
@@ -0,0 +1,158 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, eng_notation
+from gnuradio import usrp
+from gnuradio.eng_option import eng_option
+from gnuradio import eng_notation
+from gnuradio import optfir
+from optparse import OptionParser
+from gnuradio.wxgui import stdgui, fftsink, waterfallsink, scopesink,
numbersink,form, slider
+import wx
+import usrp_dbid
+import time
+import os.path
+import sys
+
+from math import *
+
+# required FPGA that can do 4 rx channels.
+
+
+class my_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("-S", "--subdev", type="subdev", default=(0, None),
+ # help="select USRP Rx side A or B (default=A)")
+ 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=146.585e6,
+ help="set frequency to FREQ [default=%default])",
metavar="FREQ")
+ parser.add_option("-g", "--gain", type="eng_float", default=20,
+ help="set gain in dB [default=%default]")
+ parser.add_option("-F", "--filter", action="store_true", default=True,
+ help="Enable channel filter")
+ (options, args) = parser.parse_args()
+
+ if len(args) != 0:
+ parser.print_help()
+ raise SystemExit
+
+ nchan = 2
+
+ if options.filter:
+ sw_decim = 4
+ else:
+ sw_decim = 1
+
+ self.u = usrp.source_c(0, options.decim)#,
fpga_filename="std_4rx_0tx.rbf")
+ if self.u.nddc() < nchan:
+ sys.stderr.write('This code requires an FPGA build with %d DDCs.
This FPGA has only %d.\n' % (
+ nchan, self.u.nddc()))
+ raise SystemExit
+
+ if not self.u.set_nchannels(nchan):
+ sys.stderr.write('set_nchannels(%d) failed\n' % (nchan,))
+ raise SystemExit
+
+ input_rate = self.u.adc_freq() / self.u.decim_rate()
+ print "USB data rate = %s" % (eng_notation.num_to_str(input_rate),)
+ print "Scope data rate = %s" %
(eng_notation.num_to_str(input_rate/sw_decim),)
+
+ self.subdev = self.u.db[0] + self.u.db[1]
+
+ if (len(self.subdev) != 4 or
+ self.u.db[0][0].dbid() != usrp_dbid.BASIC_RX or
+ self.u.db[1][0].dbid() != usrp_dbid.BASIC_RX):
+ sys.stderr.write('This code requires a Basic Rx board on Sides A &
B\n')
+ sys.exit(1)
+
+ self.u.set_mux(gru.hexint(0xf2f0f2f0))
+
+ # deinterleave four channels from FPGA
+ di = gr.deinterleave(gr.sizeof_gr_complex)
+
+ self.connect(self.u, di)
+
+ # our destination (8 float inputs)
+ #self.scope = scopesink.scope_sink_f(self, panel,
sample_rate=input_rate/sw_decim)
+
+ # taps for channel filter
+ chan_filt_coeffs = optfir.low_pass (1, # gain
+ input_rate, # sampling rate
+ 80e3, # passband cutoff
+ 115e3, # stopband cutoff
+ 0.1, # passband ripple
+ 60) # stopband attenuation
+ #print len(chan_filt_coeffs)
+ conj=gr.conjugate_cc()
+
+ # bust the deinterleaved complex channels into floats
+ for i in range(nchan):
+ if 0==i:
+ if options.filter:
+ chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs)
+ self.connect((di, 0),chan_filt,conj)
+ else:
+ self.connect((di, 0),conj)
+ else:
+ mult=gr.multiply_cc()
+ arg=gr.complex_to_arg()
+ if options.filter:
+ chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs)
+ self.connect(conj,(mult,0))
+ self.connect((di, i), chan_filt, (mult,1))
+ self.connect(mult,arg)
+ else:
+ self.connect(conj,(mult,0))
+ self.connect((di, i), (mult,1))
+ self.connect(mult,arg)
+
+ numsink = numbersink.number_sink_f (self, panel,
unit='degrees',label="phasediff", avg_alpha=1.0e-5,average=True,
+ sample_rate=input_rate/sw_decim,
factor=360.0/(2.0*pi),base_value=0,
+ minval=-180.0,maxval=180.0,
+ ref_level=0, decimal_places=5,number_rate=15)
+ vbox.Add (numsink.win, 1, wx.EXPAND)
+ self.connect(arg,numsink)
+
+ #self.connect((c2f, 0), (self.scope, 2*i + 0))
+ #self.connect((c2f, 1), (self.scope, 2*i + 1))
+
+
+ #self._build_gui(vbox)
+
+ self.set_gain(options.gain)
+ self.set_freq(options.freq)
+
+ def set_gain(self, gain):
+ for i in range(len(self.subdev)):
+ self.subdev[i].set_gain(gain)
+
+ def set_freq(self, target_freq):
+ ok = True
+ for i in range(len(self.subdev)): #we just tune all (max 4 ) subdevs
and channels to the same freq
+ print i
+ r = usrp.tune(self.u, i, self.subdev[i], target_freq)
+ if not r:
+ ok = False
+ print "set_freq: failed to set subdev[%d] freq to %f" % (
+ i, target_freq)
+ return ok
+
+
+ def _build_gui(self, vbox):
+ vbox.Add(self.scope.win, 10, wx.EXPAND)
+
+
+
+def main ():
+ app = stdgui.stdapp(my_graph, "Multi Antenna phase diff", nstatus=1)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main ()
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff.py
___________________________________________________________________
Name: svn:executable
+ *
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff_fm.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff_fm.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff_fm.py
2007-02-12 22:15:51 UTC (rev 4459)
@@ -0,0 +1,233 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, eng_notation
+from gnuradio import usrp
+from gnuradio.eng_option import eng_option
+from gnuradio import eng_notation
+from gnuradio import optfir
+from optparse import OptionParser
+from gnuradio.wxgui import stdgui, fftsink, waterfallsink, scopesink,
numbersink,form, slider
+import wx
+import usrp_dbid
+import time
+import os.path
+import sys
+
+
+from gnuradio import usrp1 # usrp Rev 1 and later
+from gnuradio import blks
+import usrp_prims
+
+from math import *
+
+# required FPGA that can do 4 rx channels.
+
+
+class my_graph(stdgui.gui_flow_graph):
+
+ def __init__(self, frame, panel, vbox, argv):
+ stdgui.gui_flow_graph.__init__(self)
+
+ self.frame = frame
+ self.panel = panel
+
self.freqs=[88.1,88.7,92.6,94.3,95,96.8,97.5,98.9,100.1,100.7,101.2,102.1,103,104.4,105.9,107.9]
+ self.freq_index=0
+ parser = OptionParser (option_class=eng_option)
+ #parser.add_option("-S", "--subdev", type="subdev", default=(0, None),
+ # help="select USRP Rx side A or B (default=A)")
+ 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=146.585e6,
+ # help="set frequency to FREQ [default=%default])",
metavar="FREQ")
+ parser.add_option("-g", "--gain", type="eng_float", default=20,
+ help="set gain in dB [default=%default]")
+ parser.add_option("-F", "--filter", action="store_true", default=True,
+ help="Enable channel filter")
+ (options, args) = parser.parse_args()
+
+ if len(args) != 0:
+ parser.print_help()
+ raise SystemExit
+
+ nchan = 2
+
+ if options.filter:
+ sw_decim = 4
+ else:
+ sw_decim = 1
+
+ #self.u = usrp.source_c(0, options.decim)#,
fpga_filename="std_4rx_0tx.rbf")
+ self.u = usrp.source_c(0, options.decim,
fpga_filename="multi_2rxhb_2tx.rbf")
+ if self.u.nddc() < nchan:
+ sys.stderr.write('This code requires an FPGA build with %d DDCs.
This FPGA has only %d.\n' % (
+ nchan, self.u.nddc()))
+ raise SystemExit
+
+ if not self.u.set_nchannels(nchan):
+ sys.stderr.write('set_nchannels(%d) failed\n' % (nchan,))
+ raise SystemExit
+
+ input_rate = self.u.adc_freq() / self.u.decim_rate()
+ print "USB data rate = %s" % (eng_notation.num_to_str(input_rate),)
+ print "Scope data rate = %s" %
(eng_notation.num_to_str(input_rate/sw_decim),)
+
+ self.subdev = self.u.db[0] + self.u.db[1]
+
+ if (len(self.subdev) != 4 or
+ self.u.db[0][0].dbid() != usrp_dbid.BASIC_RX or
+ self.u.db[1][0].dbid() != usrp_dbid.BASIC_RX):
+ sys.stderr.write('This code requires a Basic Rx board on Sides A &
B\n')
+ sys.exit(1)
+
+ self.u.set_mux(gru.hexint(0xf2f0f2f0))
+
+ # deinterleave four channels from FPGA
+ di = gr.deinterleave(gr.sizeof_gr_complex)
+
+ self.connect(self.u, di)
+
+ # our destination (8 float inputs)
+ #self.scope = scopesink.scope_sink_f(self, panel,
sample_rate=input_rate/sw_decim)
+
+ # taps for channel filter
+ chan_filt_coeffs = optfir.low_pass (1, # gain
+ input_rate, # sampling rate
+ 80e3, # passband cutoff
+ 115e3, # stopband cutoff
+ 0.1, # passband ripple
+ 60) # stopband attenuation
+ #print len(chan_filt_coeffs)
+ conj=gr.conjugate_cc()
+
+ # bust the deinterleaved complex channels into floats
+ for i in range(nchan):
+ if 0==i:
+ if options.filter:
+ chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs)
+ self.connect((di, 0),chan_filt,conj)
+ else:
+ self.connect((di, 0),conj)
+ else:
+ mult=gr.multiply_cc()
+ arg=gr.complex_to_arg()
+ mag=gr.complex_to_mag()
+ if options.filter:
+ chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs)
+ self.connect(conj,(mult,0))
+ self.connect((di, i), chan_filt, (mult,1))
+ else:
+ self.connect(conj,(mult,0))
+ self.connect((di, i), (mult,1))
+ self.connect(mult,arg)
+ self.connect(mult,mag)
+ self.numsink = numbersink.number_sink_f (self, panel,
unit='degrees',label="phasediff", avg_alpha=1.0e-5,average=True,
+ sample_rate=input_rate/sw_decim,
factor=360.0/(2.0*pi),base_value=0,
+ minval=-180.0,maxval=180.0,
+ ref_level=0, decimal_places=5,number_rate=15)
+ vbox.Add (self.numsink.win, 1, wx.EXPAND)
+ self.connect(arg,self.numsink)
+ self.numsink_mag = numbersink.number_sink_f (self, panel,
unit='magnitude',label="magnitude of cross-corr", avg_alpha=1.0e-5,average=True,
+ sample_rate=input_rate/sw_decim,
factor=1.0,base_value=0,
+ minval=0.0,maxval=5000.0,
+ ref_level=0, decimal_places=5,number_rate=15)
+ self.connect(mag,self.numsink_mag)
+ vbox.Add (self.numsink_mag.win, 1, wx.EXPAND)
+ #self.connect((c2f, 0), (self.scope, 2*i + 0))
+ #self.connect((c2f, 1), (self.scope, 2*i + 1))
+
+ vbox.Add(self.make_control_box(panel), 1, wx.EXPAND)
+ #self._build_gui(vbox)
+
+ self.set_gain(options.gain)
+ self.set_freq(self.freqs[0]*1.0e6)
+ self.last_time=time.time()
+ frame.Bind(wx.EVT_IDLE, self.onIdle)
+
+ def onIdle(self,evt):
+ if time.time() > self.last_time+10.0: #next freq every 10 seconds
+ self.next_freq(None)
+ self.last_time=time.time()
+
+ def make_control_box (self,panel):
+ ctrlbox = wx.BoxSizer (wx.HORIZONTAL)
+
+ self.print_button = wx.Button (panel, 1101, " print ",
style=wx.BU_EXACTFIT)
+ self.print_button.SetToolTipString ("Print current value to stdout")
+ wx.EVT_BUTTON (panel, 1101, self.print_value) # ID matches button ID
above
+
+ self.next_button = wx.Button (panel, 1100, " > ",
style=wx.BU_EXACTFIT)
+ self.next_button.SetToolTipString ("Go to next freq")
+ wx.EVT_BUTTON (panel, 1100, self.next_freq)
+
+ #self.v_scale_label = wx.StaticText (self, 1002, "None") # vertical
/div
+ #self.update_v_scale_label ()
+
+ #self.autorange_checkbox = wx.CheckBox (self, 1102, "Autorange")
+ #self.autorange_checkbox.SetToolTipString ("Select autorange on/off")
+ #wx.EVT_CHECKBOX(self, 1102, self.autorange_checkbox_event)
+
+ ctrlbox.Add ((5,0) ,0) # left margin space
+ ctrlbox.Add (self.print_button, 0, wx.EXPAND)
+ ctrlbox.Add (self.next_button, 0, wx.EXPAND)
+ #ctrlbox.Add (self.v_scale_label, 0, wx.ALIGN_CENTER)
+ ctrlbox.Add ((20,0) ,0) # spacer
+ #ctrlbox.Add (self.autorange_checkbox, 0, wx.ALIGN_CENTER)
+
+ return ctrlbox
+
+ def print_value(self,evt):
+ self.numsink.print_current_value(self.current_freq/1e6)
+ print "----"
+ self.numsink_mag.print_current_value(self.current_freq)
+
+ def next_freq(self,evt):
+ self.print_value(None)
+ self.freq_index=self.freq_index+1
+ if(self.freq_index>=len(self.freqs)):
+ self.freq_index=0
+ self.set_freq((self.freqs[self.freq_index])*1.0e6)
+ self.sync1()
+
+ def set_gain(self, gain):
+ for i in range(len(self.subdev)):
+ self.subdev[i].set_gain(gain)
+
+ def sync1(self):
+ #abuse the multi_usrp code to sync the phases of the channels after
the freqs have been set
+ result=False
+ result = self.u._u._write_fpga_reg_masked
(usrp_prims.FR_RX_MASTER_SLAVE, usrp_prims.bmFR_RX_SYNC,
usrp_prims.bmFR_RX_SYNC )
+ #There should be a small delay here, but the time it takes to get the
sync to the usrp is long enough
+ #turn sync pulse off
+ result = result & self.u._u._write_fpga_reg_masked
(usrp_prims.FR_RX_MASTER_SLAVE,0 ,usrp_prims.bmFR_RX_SYNC);
+ return result;
+
+ def sync2(self):
+ #sync the phases of the channels by stopping and starting the flowgraph
+ self.frame.flow_graph().stop()
+ #time.sleep(1.0)
+ self.frame.flow_graph().start()
+ return True
+
+ def set_freq(self, target_freq):
+ ok = True
+ for i in range(len(self.subdev)): #we just tune all (max 4 ) subdevs
and channels to the same freq
+ r = usrp.tune(self.u, i, self.subdev[i], target_freq)
+ if not r:
+ ok = False
+ print "set_freq: failed to set subdev[%d] freq to %f" % (
+ i, target_freq)
+ self.current_freq=target_freq
+ return ok
+
+
+ def _build_gui(self, vbox):
+ vbox.Add(self.scope.win, 10, wx.EXPAND)
+
+
+
+def main ():
+ app = stdgui.stdapp(my_graph, "Multi Antenna phase diff", nstatus=1)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main ()
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/double_phasediff_fm.py
___________________________________________________________________
Name: svn:executable
+ *
Added:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/multi_phasediff.py
===================================================================
---
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/multi_phasediff.py
(rev 0)
+++
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/multi_phasediff.py
2007-02-12 22:15:51 UTC (rev 4459)
@@ -0,0 +1,155 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, gru, eng_notation
+from gnuradio import usrp
+from gnuradio.eng_option import eng_option
+from gnuradio import eng_notation
+from gnuradio import optfir
+from optparse import OptionParser
+from gnuradio.wxgui import stdgui, fftsink, waterfallsink, scopesink,
numbersink,form, slider
+import wx
+import usrp_dbid
+import time
+import os.path
+import sys
+
+# required FPGA that can do 4 rx channels.
+
+
+class my_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("-S", "--subdev", type="subdev", default=(0, None),
+ # help="select USRP Rx side A or B (default=A)")
+ 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=146.585e6,
+ help="set frequency to FREQ [default=%default])",
metavar="FREQ")
+ parser.add_option("-g", "--gain", type="eng_float", default=20,
+ help="set gain in dB [default=%default]")
+ parser.add_option("-F", "--filter", action="store_true", default=True,
+ help="Enable channel filter")
+ (options, args) = parser.parse_args()
+
+ if len(args) != 0:
+ parser.print_help()
+ raise SystemExit
+
+ nchan = 4
+
+ if options.filter:
+ sw_decim = 4
+ else:
+ sw_decim = 1
+
+ self.u = usrp.source_c(0, options.decim,
fpga_filename="std_4rx_0tx.rbf")
+ if self.u.nddc() < nchan:
+ sys.stderr.write('This code requires an FPGA build with %d DDCs.
This FPGA has only %d.\n' % (
+ nchan, self.u.nddc()))
+ raise SystemExit
+
+ if not self.u.set_nchannels(nchan):
+ sys.stderr.write('set_nchannels(%d) failed\n' % (nchan,))
+ raise SystemExit
+
+ input_rate = self.u.adc_freq() / self.u.decim_rate()
+ print "USB data rate = %s" % (eng_notation.num_to_str(input_rate),)
+ print "Scope data rate = %s" %
(eng_notation.num_to_str(input_rate/sw_decim),)
+
+ self.subdev = self.u.db[0] + self.u.db[1]
+
+ if (len(self.subdev) != 4 or
+ self.u.db[0][0].dbid() != usrp_dbid.BASIC_RX or
+ self.u.db[1][0].dbid() != usrp_dbid.BASIC_RX):
+ sys.stderr.write('This code requires a Basic Rx board on Sides A &
B\n')
+ sys.exit(1)
+
+ self.u.set_mux(gru.hexint(0xf3f2f1f0))
+
+ # deinterleave four channels from FPGA
+ di = gr.deinterleave(gr.sizeof_gr_complex)
+
+ self.connect(self.u, di)
+
+ # our destination (8 float inputs)
+ self.scope = scopesink.scope_sink_f(self, panel,
sample_rate=input_rate/sw_decim)
+
+ # taps for channel filter
+ chan_filt_coeffs = optfir.low_pass (1, # gain
+ input_rate, # sampling rate
+ 80e3, # passband cutoff
+ 115e3, # stopband cutoff
+ 0.1, # passband ripple
+ 60) # stopband attenuation
+ #print len(chan_filt_coeffs)
+ conj=gr.conjugate_cc()
+
+ # bust the deinterleaved complex channels into floats
+ for i in range(nchan):
+ if 0==i:
+ if options.filter:
+ chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs)
+ self.connect((di, 0),chan_filt,conj)
+ else:
+ self.connect((di, 0),conj)
+ else:
+ mult=gr.multiply_cc()
+ arg=gr.complex_to_arg()
+ if options.filter:
+ chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs)
+ self.connect(conj,(mult,0))
+ self.connect((di, i), chan_filt, (mult,1))
+ self.connect(mult,arg)
+ else:
+ self.connect(conj,(mult,0))
+ self.connect((di, i), (mult,1))
+ self.connect(mult,arg)
+
+ numsink = numbersink.number_sink_f (self, panel,
unit='degrees',label="phasediff", avg_alpha=0.001,
+ sample_rate=input_rate/sw_decim,
factor=360.0/(2.0*3.141592653589793238463),base_value=0,
+ ref_level=0, decimal_places=3)
+ vbox.Add (numsink.win, 1, wx.EXPAND)
+ self.connect(arg,numsink)
+
+ #self.connect((c2f, 0), (self.scope, 2*i + 0))
+ #self.connect((c2f, 1), (self.scope, 2*i + 1))
+
+
+ #self._build_gui(vbox)
+
+ self.set_gain(options.gain)
+ self.set_freq(options.freq)
+
+ def set_gain(self, gain):
+ for i in range(len(self.subdev)):
+ self.subdev[i].set_gain(gain)
+
+ def set_freq(self, target_freq):
+ ok = True
+ for i in range(len(self.subdev)):
+ r = usrp.tune(self.u, i, self.subdev[i], target_freq)
+ if not r:
+ ok = False
+ print "set_freq: failed to set subdev[%d] freq to %f" % (
+ i, target_freq)
+
+ return ok
+
+
+ def _build_gui(self, vbox):
+ vbox.Add(self.scope.win, 10, wx.EXPAND)
+
+
+
+def main ():
+ app = stdgui.stdapp(my_graph, "Multi Antenna phase diff", nstatus=1)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main ()
Property changes on:
gnuradio/branches/developers/nldudok1/general-wip/gnuradio-examples/python/multi-antenna/multi_phasediff.py
___________________________________________________________________
Name: svn:executable
+ *
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