-
Notifications
You must be signed in to change notification settings - Fork 97
/
pager_rx_929.py
executable file
·247 lines (215 loc) · 8.33 KB
/
pager_rx_929.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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Pager Rx
# Generated: Sun Dec 29 11:31:31 2013
##################################################
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio import wxgui
from gnuradio import pager
from gnuradio import blocks
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 waterfallsink2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import osmosdr
import wx
class pager_rx(grc_wxgui.top_block_gui):
def __init__(self, options, queue):
grc_wxgui.top_block_gui.__init__(self, title="Pager Rx")
##################################################
# Variables
##################################################
self.band = band = 929.5e6
self.frequencies = [929.1875e6, 929.2875e6, 929.6625e6]
self.samp_rate = samp_rate = 1200000
self.corr = corr = 0
self.gain = gain = 40.0
self.channel_rate = channel_rate = 25000
##################################################
# Blocks
##################################################
_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="Frequency 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.GridAdd(_corr_sizer, 0, 1, 1, 1)
_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="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.GridAdd(_gain_sizer, 0, 0, 1, 1)
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=channel_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Channel Waterfall",
)
self.Add(self.wxgui_waterfallsink2_1.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=band,
dynamic_range=50,
ref_level=-20,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Band Waterfall",
)
self.GridAdd(self.wxgui_waterfallsink2_0.win, 1, 0, 1, 2)
def wxgui_waterfallsink2_0_callback(x, y):
self.set_click_freq(x)
self.add = blocks.add_vcc(1)
self.wxgui_waterfallsink2_0.set_callback(wxgui_waterfallsink2_0_callback)
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(band, 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.channel_filter = []
self.flex = []
for x in range(len(self.frequencies)):
frequency = self.frequencies[x]
self.channel_filter.append(filter.freq_xlating_fir_filter_ccc(samp_rate / channel_rate, (filter.optfir.low_pass(1.0, samp_rate, 11000, 12500, 0.1, 60)), frequency - band, samp_rate))
# FLEX protocol demodulator
self.flex.append(pager.flex_demod(queue, frequency, False, False)) # options.verbose, options.log
self.connect((self.osmosdr_source_0, 0), (self.channel_filter[x], 0))
self.connect((self.channel_filter[x], 0), (self.add, x))
self.connect((self.channel_filter[x], 0), (self.flex[x], 0))
##################################################
# Connections
##################################################
self.connect((self.osmosdr_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.add, 0), (self.wxgui_waterfallsink2_1, 0))
# QT sink close method reimplementation
def get_band(self):
return self.band
def set_band(self, band):
self.band = band
self.set_click_freq(self.band - 500000 + 12500)
self._band_chooser.set_value(self.band)
self.set_freq(self.band - 512500 + (self.channel * 25000))
self.set_channel(round((self.click_freq - (self.band - 500000 - 12500)) / 25000))
self.wxgui_waterfallsink2_0.set_baseband_freq(self.band)
self.osmosdr_source_0.set_center_freq(self.band, 0)
self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.freq - self.band)
def get_click_freq(self):
return self.click_freq
def set_click_freq(self, click_freq):
self.click_freq = click_freq
self.set_channel(round((self.click_freq - (self.band - 500000 - 12500)) / 25000))
def get_channel(self):
return self.channel
def set_channel(self, channel):
self.channel = channel
self.set_freq(self.band - 512500 + (self.channel * 25000))
self._channel_slider.set_value(self.channel)
self._channel_text_box.set_value(self.channel)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.wxgui_waterfallsink2_0.set_sample_rate(self.samp_rate)
self.osmosdr_source_0.set_sample_rate(self.samp_rate)
self.freq_xlating_fir_filter_xxx_0.set_taps((filter.optfir.low_pass(1.0, self.samp_rate, 11000, 12500, 0.1, 60)))
def get_freq(self):
return self.freq
def set_freq(self, freq):
self.freq = freq
self._freq_static_text.set_value(self.freq)
self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.freq - self.band)
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 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_channel_rate(self):
return self.channel_rate
def set_channel_rate(self, channel_rate):
self.channel_rate = channel_rate
self.wxgui_waterfallsink2_1.set_sample_rate(self.channel_rate)
if __name__ == '__main__':
import ctypes
import os
if os.name == 'posix':
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
# Flow graph emits pages into message queue
queue = gr.msg_queue()
tb = pager_rx(options, queue)
runner = pager.queue_runner(queue)
#tb = pager_rx()
tb.Start(True)
tb.Wait()