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gym487 2017-04-23 02:26:03 +08:00
parent 789e2e45d1
commit 58048e9a8a
5 changed files with 28814 additions and 7 deletions
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4
README.md
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@ -22,7 +22,7 @@ $ gcc gpssim.c -lm -O3 -o gps-sdr-sim
Use -n option can connect to a TCP source in Gnuradio for realtime simulation.
The tcp source should be set in "Server" mode, listening to port 1234 (as default, it can be changed by.option -n).
The tcp source should be set in "Server" mode.
See tcp.grc as a example.
@ -77,7 +77,7 @@ Options:
-b <iq_bits> I/Q data format [1/8/16] (default: 16)
-i Disable ionospheric delay for spacecraft scenario
-v Show details about simulated channels
-n <port> Use TCP connection to Gnuradio TCP-Source for realtime simulation. (Default 1234).
-n <port> Use TCP connection to Gnuradio TCP-Source for realtime simulation.
```
The user motion can be specified in either dynamic or static mode:

2
gpssim.c
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@ -1661,7 +1661,7 @@ void usage(void)
" -b <iq_bits> I/Q data format [1/8/16] (default: 16)\n"
" -i Disable ionospheric delay for spacecraft scenario\n"
" -v Show details about simulated channels\n",
" -n <port> Use TCP connect to Gnuradio TCP-Source for\n realtime simulation. (default 1234)\n",
" -n <port> Use TCP connect to Gnuradio TCP-Source for\n realtime simulation.\n",
(USER_MOTION_SIZE)/10.0,STATIC_MAX_DURATION);
return;

2
tcp.grc
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@ -183,7 +183,7 @@
</param>
<param>
<key>freq0</key>
<value>100e6</value>
<value>1575420000</value>
</param>
<param>
<key>if_gain0</key>

6
top_block.py
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@ -2,7 +2,7 @@
##################################################
# GNU Radio Python Flow Graph
# Title: Top Block
# Generated: Sun Apr 23 02:13:05 2017
# Generated: Sun Apr 23 02:23:32 2017
##################################################
if __name__ == '__main__':
@ -62,7 +62,7 @@ class top_block(gr.top_block, Qt.QWidget):
##################################################
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "hackrf" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(100e6, 0)
self.osmosdr_sink_0.set_center_freq(1575420000, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(14, 0)
self.osmosdr_sink_0.set_if_gain(40, 0)
@ -73,7 +73,7 @@ class top_block(gr.top_block, Qt.QWidget):
self.blks2_tcp_source_0 = grc_blks2.tcp_source(
itemsize=gr.sizeof_gr_complex*1,
addr="127.0.0.1",
port=2345,
port=1234,
server=True,
)
(self.blks2_tcp_source_0).set_max_output_buffer(10000)

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