3 # Copyright 2004,2005,2007 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr, gru
24 from gnuradio import msdd
25 from gnuradio import eng_notation
26 from gnuradio.eng_option import eng_option
27 from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form, slider
28 from optparse import OptionParser
33 def pick_subdevice(u):
35 The user didn't specify a subdevice on the command line.
36 If there's a daughterboard on A, select A.
37 If there's a daughterboard on B, select B.
40 if u.db[0][0].dbid() >= 0: # dbid is < 0 if there's no d'board or a problem
42 if u.db[1][0].dbid() >= 0:
47 class app_top_block(stdgui2.std_top_block):
48 def __init__(self, frame, panel, vbox, argv):
49 stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
54 parser = OptionParser(option_class=eng_option)
55 parser.add_option("-w", "--which", type="int", default=0,
56 help="select which MSDD (0, 1, ...) default is %default",
58 parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
59 help="select MSDD Rx side A or B (default=first one with a daughterboard)")
60 parser.add_option("-A", "--antenna", default=None,
61 help="select Rx Antenna (only on RFX-series boards)")
62 parser.add_option("-d", "--decim", type="int", default=16,
63 help="set fgpa decimation rate to DECIM [default=%default]")
64 parser.add_option("-f", "--freq", type="eng_float", default=None,
65 help="set frequency to FREQ", metavar="FREQ")
66 parser.add_option("-g", "--gain", type="eng_float", default=None,
67 help="set gain in dB (default is midpoint)")
68 parser.add_option("-W", "--waterfall", action="store_true", default=False,
69 help="Enable waterfall display")
70 parser.add_option("-8", "--width-8", action="store_true", default=False,
71 help="Enable 8-bit samples across USB")
72 parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
73 help="Enable oscilloscope display")
74 (options, args) = parser.parse_args()
79 self.show_debug_info = True
83 #self.u = MSDD.source_simo(which=options.which, decim_rate=options.decim)
84 self.u = msdd.source_simple("192.168.1.200", 0)
85 self.u.set_decim_rate(options.decim) #(16)
87 # msdd_src = gr.file_source(gr.sizeof_gr_complex, 'msdd.dat')
88 # thr = gr.throttle(gr.sizeof_gr_complex, 200000)
89 # self.connect(msdd_src, thr)
91 # if options.rx_subdev_spec is None:
92 # options.rx_subdev_spec = pick_subdevice(self.u)
93 # self.u.set_mux(MSDD.determine_rx_mux_value(self.u, options.rx_subdev_spec))
98 # format = self.u.make_format(width, shift)
99 # print "format =", hex(format)
100 # r = self.u.set_format(format)
101 # print "set_format =", r
103 # determine the daughterboard subdevice we're using
104 # self.subdev = MSDD.selected_subdev(self.u, options.rx_subdev_spec)
106 # print "Initial Freq", self.u.rx_freq(0), "deci: ", self.u.decim_rate()
107 # input_rate = 50e6 / self.u.decim_rate()
108 input_rate = 50e6 / options.decim;
110 if options.waterfall:
112 waterfallsink2.waterfall_sink_c (panel, fft_size=1024, sample_rate=input_rate)
113 elif options.oscilloscope:
114 self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
116 self.scope = fftsink2.fft_sink_c (panel, fft_size=1024, sample_rate=input_rate)
118 # self.connect(self.u, self.scope)
120 msdd_sink = gr.file_sink(gr.sizeof_gr_complex, 'schmen1.dat')
122 self.conv = gr.interleaved_short_to_complex();
123 self.connect(self.u, self.conv, msdd_sink)
124 self._build_gui(vbox)
128 if options.gain is None:
129 # if no gain was specified, use the mid-point in dB
130 #g = self.subdev.gain_range()
131 self.gain_range = (20,70,.5);
132 options.gain = float(self.gain_range[0]+self.gain_range[1])/2
134 if options.freq is None:
135 # if no freq was specified, use the mid-point
136 #r = self.subdev.freq_range()
138 options.freq = float(r[0]+r[1])/2
140 self.set_gain(options.gain)
142 # if options.antenna is not None:
143 # print "Selecting antenna %s" % (options.antenna,)
144 # self.subdev.select_rx_antenna(options.antenna)
146 if self.show_debug_info:
147 #self.myform['decim'].set_value(self.u.decim_rate())
148 self.myform['decim'].set_value(options.decim)
149 # self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate())
150 # self.myform['dbname'].set_value(self.subdev.name())
151 self.myform['baseband'].set_value(0)
152 self.myform['ddc'].set_value(0)
154 if not(self.set_freq(options.freq)):
155 self._set_status_msg("Failed to set initial frequency")
157 def _set_status_msg(self, msg):
158 self.frame.GetStatusBar().SetStatusText(msg, 0)
160 def _build_gui(self, vbox):
162 def _form_set_freq(kv):
163 return self.set_freq(kv['freq'])
165 vbox.Add(self.scope.win, 10, wx.EXPAND)
167 # add control area at the bottom
168 self.myform = myform = form.form()
169 hbox = wx.BoxSizer(wx.HORIZONTAL)
170 hbox.Add((5,0), 0, 0)
171 myform['freq'] = form.float_field(
172 parent=self.panel, sizer=hbox, label="Center freq", weight=1,
173 callback=myform.check_input_and_call(_form_set_freq, self._set_status_msg))
175 hbox.Add((5,0), 0, 0)
176 g = self.gain_range = (20,50,.5);
177 myform['gain'] = form.slider_field(parent=self.panel, sizer=hbox, label="Gain",
179 min=int(g[0]), max=int(g[1]),
180 callback=self.set_gain)
182 hbox.Add((5,0), 0, 0)
183 vbox.Add(hbox, 0, wx.EXPAND)
185 self._build_subpanel(vbox)
187 def _build_subpanel(self, vbox_arg):
188 # build a secondary information panel (sometimes hidden)
190 # FIXME figure out how to have this be a subpanel that is always
191 # created, but has its visibility controlled by foo.Show(True/False)
193 def _form_set_decim(kv):
194 return self.set_decim(kv['decim'])
196 if not(self.show_debug_info):
203 #panel = wx.Panel(self.panel, -1)
204 #vbox = wx.BoxSizer(wx.VERTICAL)
206 hbox = wx.BoxSizer(wx.HORIZONTAL)
209 myform['decim'] = form.int_field(
210 parent=panel, sizer=hbox, label="Decim",
211 callback=myform.check_input_and_call(_form_set_decim, self._set_status_msg))
214 # myform['fs@usb'] = form.static_float_field(
215 # parent=panel, sizer=hbox, label="Fs@USB")
218 myform['dbname'] = form.static_text_field(
219 parent=panel, sizer=hbox)
222 myform['baseband'] = form.static_float_field(
223 parent=panel, sizer=hbox, label="Analog BB")
226 myform['ddc'] = form.static_float_field(
227 parent=panel, sizer=hbox, label="DDC")
230 vbox.Add(hbox, 0, wx.EXPAND)
233 def set_freq(self, target_freq):
235 Set the center frequency we're interested in.
237 @param target_freq: frequency in Hz
240 Tuning is a two step process. First we ask the front-end to
241 tune as close to the desired frequency as it can. Then we use
242 the result of that operation and our target_frequency to
243 determine the value for the digital down converter.
245 r = self.u.set_rx_freq (0, target_freq)
246 #r = self.u.tune(0, self.subdev, target_freq)
248 self.myform['freq'].set_value(target_freq) # update displayed value
249 # if self.show_debug_info:
250 # self.myform['baseband'].set_value(r.baseband_freq)
251 # self.myform['ddc'].set_value(r.dxc_freq)
256 def set_gain(self, gain):
257 self.myform['gain'].set_value(gain) # update displayed value
258 #self.subdev.set_gain(gain)
259 self.u.set_pga(0, gain)
261 def set_decim(self, decim):
262 ok = self.u.set_decim_rate(decim)
264 print "set_decim failed"
265 #input_rate = 20e6 / self.u.decim_rate()
266 #self.scope.set_sample_rate(input_rate)
267 if self.show_debug_info: # update displayed values
268 self.myform['decim'].set_value(decim)
269 #self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate())
273 app = stdgui2.stdapp(app_top_block, "MSDD FFT", nstatus=1)
276 if __name__ == '__main__':