1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
#!/usr/bin/env python
#
# Copyright 2013 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 3, 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., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from __future__ import print_function
from __future__ import unicode_literals
import sys
from gnuradio import filter
try:
from PyQt4 import QtGui, QtCore
import sip
except ImportError:
print("Error: Program requires PyQt4.")
sys.exit(1)
try:
from gnuradio.qtgui.plot_from import plot_form
except ImportError:
from plot_form import plot_form
class plot_psd_form(plot_form):
def __init__(self, top_block, title=''):
plot_form.__init__(self, top_block, title)
self.right_col_layout = QtGui.QVBoxLayout()
self.right_col_form = QtGui.QFormLayout()
self.right_col_layout.addLayout(self.right_col_form)
self.layout.addLayout(self.right_col_layout, 1,4,1,1)
self.psd_size_val = QtGui.QIntValidator(0, 2**18, self)
self.psd_size_edit = QtGui.QLineEdit(self)
self.psd_size_edit.setMinimumWidth(50)
self.psd_size_edit.setMaximumWidth(100)
self.psd_size_edit.setText(QtCore.QString("%1").arg(top_block._psd_size))
self.psd_size_edit.setValidator(self.psd_size_val)
self.right_col_form.addRow("FFT:", self.psd_size_edit)
self.connect(self.psd_size_edit, QtCore.SIGNAL("returnPressed()"),
self.update_psd_size)
self.psd_win_combo = QtGui.QComboBox(self)
self.psd_win_combo.addItems(["None", "Hamming", "Hann", "Blackman",
"Rectangular", "Kaiser", "Blackman-harris"])
self.psd_win_combo.setCurrentIndex(self.top_block.gui_snk.fft_window()+1)
self.right_col_form.addRow("Window:", self.psd_win_combo)
self.connect(self.psd_win_combo,
QtCore.SIGNAL("currentIndexChanged(int)"),
self.update_psd_win)
self.psd_avg_val = QtGui.QDoubleValidator(0, 1.0, 4, self)
self.psd_avg_edit = QtGui.QLineEdit(self)
self.psd_avg_edit.setMinimumWidth(50)
self.psd_avg_edit.setMaximumWidth(100)
self.psd_avg_edit.setText(QtCore.QString("%1").arg(top_block._avg))
self.psd_avg_edit.setValidator(self.psd_avg_val)
self.right_col_form.addRow("Average:", self.psd_avg_edit)
self.connect(self.psd_avg_edit, QtCore.SIGNAL("returnPressed()"),
self.update_psd_avg)
self.add_line_control(self.right_col_layout)
def update_psd_size(self):
newpsdsize = self.psd_size_edit.text().toInt()[0]
if(newpsdsize != self.top_block._psd_size):
self.top_block.gui_snk.set_fft_size(newpsdsize)
self.top_block._psd_size = newpsdsize
self.top_block.reset(self.top_block._start,
self.top_block._nsamps)
def update_psd_win(self, index):
self.top_block.gui_snk.set_fft_window(index-1)
self.top_block.reset(self.top_block._start,
self.top_block._nsamps)
def update_psd_avg(self):
newpsdavg = self.psd_avg_edit.text().toDouble()[0]
if(newpsdavg != self.top_block._avg):
self.top_block.gui_snk.set_fft_average(newpsdavg)
self.top_block._avg = newpsdavg
self.top_block.reset(self.top_block._start,
self.top_block._nsamps)
|
