forked from argilo/sdr-examples
-
Notifications
You must be signed in to change notification settings - Fork 0
/
va3rft.py
executable file
·226 lines (200 loc) · 7.59 KB
/
va3rft.py
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: VA3RFT
# Generated: Mon Oct 24 20:36:19 2016
##################################################
if __name__ == '__main__':
import ctypes
import sys
if sys.platform.startswith('linux'):
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
from gnuradio import analog
from gnuradio import audio
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio import wxgui
from gnuradio.eng_option import eng_option
from gnuradio.fft import window
from gnuradio.filter import firdes
from gnuradio.wxgui import forms
from gnuradio.wxgui import scopesink2
from gnuradio.wxgui import waterfallsink2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import dsd
import math
import osmosdr
import time
import wx
class va3rft(grc_wxgui.top_block_gui):
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="VA3RFT")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1920000
self.offset = offset = 50000
self.gain = gain = 40
self.fsk_deviation_hz = fsk_deviation_hz = 8000
self.freq = freq = 444475000
self.corr = corr = 0
##################################################
# Blocks
##################################################
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label='RX gain',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=49.6,
num_steps=124,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
_corr_sizer = wx.BoxSizer(wx.VERTICAL)
self._corr_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_corr_sizer,
value=self.corr,
callback=self.set_corr,
label='Freq. correction',
converter=forms.float_converter(),
proportion=0,
)
self._corr_slider = forms.slider(
parent=self.GetWin(),
sizer=_corr_sizer,
value=self.corr,
callback=self.set_corr,
minimum=-150,
maximum=150,
num_steps=300,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_corr_sizer)
self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=50,
ref_level=-20,
ref_scale=2.0,
sample_rate=48000,
fft_size=512,
fft_rate=3,
average=False,
avg_alpha=None,
title='Waterfall Plot',
)
self.Add(self.wxgui_waterfallsink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title='Scope Plot',
sample_rate=48000,
v_scale=0.25,
v_offset=0,
t_scale=0.001,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label='Counts',
)
self.Add(self.wxgui_scopesink2_0.win)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(freq - offset, 0)
self.osmosdr_source_0.set_freq_corr(corr, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(gain, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_1 = filter.fir_filter_fff(1, firdes.low_pass(
1, 48000, 8000, 2000, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(40, firdes.low_pass(
20, samp_rate, 3500, 2000, firdes.WIN_HAMMING, 6.76))
self.dsd_block_ff_0 = dsd.dsd_block_ff(dsd.dsd_FRAME_DMR_MOTOTRBO,dsd.dsd_MOD_AUTO_SELECT,3,True,2)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.audio_sink_0 = audio.sink(8000, '', True)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -offset, 1, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.dsd_block_ff_0, 0), (self.audio_sink_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_waterfallsink2_1, 0))
self.connect((self.low_pass_filter_1, 0), (self.dsd_block_ff_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.blocks_multiply_xx_0, 0))
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.osmosdr_source_0.set_sample_rate(self.samp_rate)
self.low_pass_filter_0.set_taps(firdes.low_pass(20, self.samp_rate, 3500, 2000, firdes.WIN_HAMMING, 6.76))
self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
def get_offset(self):
return self.offset
def set_offset(self, offset):
self.offset = offset
self.osmosdr_source_0.set_center_freq(self.freq - self.offset, 0)
self.analog_sig_source_x_0.set_frequency(-self.offset)
def get_gain(self):
return self.gain
def set_gain(self, gain):
self.gain = gain
self._gain_slider.set_value(self.gain)
self._gain_text_box.set_value(self.gain)
self.osmosdr_source_0.set_gain(self.gain, 0)
def get_fsk_deviation_hz(self):
return self.fsk_deviation_hz
def set_fsk_deviation_hz(self, fsk_deviation_hz):
self.fsk_deviation_hz = fsk_deviation_hz
def get_freq(self):
return self.freq
def set_freq(self, freq):
self.freq = freq
self.osmosdr_source_0.set_center_freq(self.freq - self.offset, 0)
def get_corr(self):
return self.corr
def set_corr(self, corr):
self.corr = corr
self._corr_slider.set_value(self.corr)
self._corr_text_box.set_value(self.corr)
self.osmosdr_source_0.set_freq_corr(self.corr, 0)
def main(top_block_cls=va3rft, options=None):
tb = top_block_cls()
tb.Start(True)
tb.Wait()
if __name__ == '__main__':
main()