2 # Copyright 2008 Free Software Foundation, Inc.
4 # This file is part of GNU Radio
6 # GNU Radio is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3, or (at your option)
11 # GNU Radio 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.
16 # You should have received a copy of the GNU General Public License
17 # along with GNU Radio; see the file COPYING. If not, write to
18 # the Free Software Foundation, Inc., 51 Franklin Street,
19 # Boston, MA 02110-1301, USA.
22 ##################################################
24 ##################################################
31 from constants import *
32 from gnuradio import gr #for gr.prefs
35 ##################################################
37 ##################################################
39 ALPHA_MIN_EXP, ALPHA_MAX_EXP = -6, -0.301
40 GAIN_MU_MIN_EXP, GAIN_MU_MAX_EXP = -6, -0.301
41 DEFAULT_FRAME_RATE = gr.prefs().get_long('wxgui', 'const_rate', 5)
42 DEFAULT_WIN_SIZE = (500, 400)
43 DEFAULT_CONST_SIZE = gr.prefs().get_long('wxgui', 'const_size', 2048)
44 CONST_PLOT_COLOR_SPEC = (0, 0, 1)
51 DEFAULT_MARKER_TYPE = 2.0
53 ##################################################
54 # Constellation window control panel
55 ##################################################
56 class control_panel(wx.Panel):
58 A control panel with wx widgits to control the plotter.
60 def __init__(self, parent):
62 Create a new control panel.
63 @param parent the wx parent window
66 wx.Panel.__init__(self, parent, style=wx.SUNKEN_BORDER)
67 control_box = forms.static_box_sizer(
68 parent=self, label='Options',
69 bold=True, orient=wx.VERTICAL,
72 control_box.AddStretchSpacer()
74 sizer=control_box, parent=self, label='Alpha',
75 converter=forms.float_converter(),
76 ps=parent, key=ALPHA_KEY,
79 sizer=control_box, parent=self,
80 min_exp=ALPHA_MIN_EXP,
81 max_exp=ALPHA_MAX_EXP,
82 num_steps=SLIDER_STEPS,
83 ps=parent, key=ALPHA_KEY,
86 control_box.AddStretchSpacer()
88 sizer=control_box, parent=self, label='Gain Mu',
89 converter=forms.float_converter(),
90 ps=parent, key=GAIN_MU_KEY,
93 sizer=control_box, parent=self,
94 min_exp=GAIN_MU_MIN_EXP,
95 max_exp=GAIN_MU_MAX_EXP,
96 num_steps=SLIDER_STEPS,
97 ps=parent, key=GAIN_MU_KEY,
100 control_box.AddStretchSpacer()
102 sizer=control_box, parent=self,
103 ps=parent, key=MARKER_KEY, label='Marker',
104 choices=map(lambda x: x[1], MARKER_TYPES),
105 labels=map(lambda x: x[0], MARKER_TYPES),
108 control_box.AddStretchSpacer()
110 sizer=control_box, parent=self,
111 true_label='Stop', false_label='Run',
112 ps=parent, key=RUNNING_KEY,
115 self.SetSizerAndFit(control_box)
117 ##################################################
118 # Constellation window with plotter and control panel
119 ##################################################
120 class const_window(wx.Panel, pubsub.pubsub):
135 pubsub.pubsub.__init__(self)
137 self.proxy(MSG_KEY, controller, msg_key)
138 self.proxy(ALPHA_KEY, controller, alpha_key)
139 self.proxy(BETA_KEY, controller, beta_key)
140 self.proxy(GAIN_MU_KEY, controller, gain_mu_key)
141 self.proxy(GAIN_OMEGA_KEY, controller, gain_omega_key)
142 self.proxy(OMEGA_KEY, controller, omega_key)
143 self.proxy(SAMPLE_RATE_KEY, controller, sample_rate_key)
145 self[RUNNING_KEY] = True
148 self[MARKER_KEY] = DEFAULT_MARKER_TYPE
150 wx.Panel.__init__(self, parent, style=wx.SIMPLE_BORDER)
151 self.plotter = plotter.channel_plotter(self)
152 self.plotter.SetSize(wx.Size(*size))
153 self.plotter.set_title(title)
154 self.plotter.set_x_label('Inphase')
155 self.plotter.set_y_label('Quadrature')
156 self.plotter.enable_point_label(True)
157 self.plotter.enable_grid_lines(True)
158 #setup the box with plot and controls
159 self.control_panel = control_panel(self)
160 main_box = wx.BoxSizer(wx.HORIZONTAL)
161 main_box.Add(self.plotter, 1, wx.EXPAND)
162 main_box.Add(self.control_panel, 0, wx.EXPAND)
163 self.SetSizerAndFit(main_box)
164 #alpha and gain mu 2nd orders
165 def set_beta(alpha): self[BETA_KEY] = .25*alpha**2
166 self.subscribe(ALPHA_KEY, set_beta)
167 def set_gain_omega(gain_mu): self[GAIN_OMEGA_KEY] = .25*gain_mu**2
168 self.subscribe(GAIN_MU_KEY, set_gain_omega)
170 self.subscribe(MSG_KEY, self.handle_msg)
171 self.subscribe(X_DIVS_KEY, self.update_grid)
172 self.subscribe(Y_DIVS_KEY, self.update_grid)
176 def handle_msg(self, msg):
178 Plot the samples onto the complex grid.
179 @param msg the array of complex samples
181 if not self[RUNNING_KEY]: return
182 #convert to complex floating point numbers
183 samples = numpy.fromstring(msg, numpy.complex64)
184 real = numpy.real(samples)
185 imag = numpy.imag(samples)
187 self.plotter.set_waveform(
189 samples=(real, imag),
190 color_spec=CONST_PLOT_COLOR_SPEC,
191 marker=self[MARKER_KEY],
194 self.plotter.update()
196 def update_grid(self):
199 self.plotter.set_x_grid(-x_max, x_max, common.get_clean_num(2.0*x_max/self[X_DIVS_KEY]))
202 self.plotter.set_y_grid(-y_max, y_max, common.get_clean_num(2.0*y_max/self[Y_DIVS_KEY]))
204 self.plotter.update()