readme
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README.md
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README.md
@ -18,7 +18,7 @@ to RF using software-defined radio (SDR) platforms, such as
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$ gcc gpssim.c -lm -O3 -o gps-sdr-sim
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```
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## Realtime by Gnuradio
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### Realtime by Gnuradio
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Use -n option can connect to a TCP source in Gnuradio for realtime simulation.
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@ -26,6 +26,26 @@ The tcp source should be set in "Server" mode.
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See tcp.grc as an example.
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### Map
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cd into /mapserver, and run
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```
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python mapper.py
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```
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Then visit http://127.0.0.1:8080/static/baidumap.html to use the baidu Online map.
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Actually I don't want to use BaiduMap.. But because of the GFW, I can't access Google..
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You can write an map which can POST data to http://127.0.0.1/post like this
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```
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lon=116&lat=39&hgt=10
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```
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to replace Baidumap.
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### Generating the GPS signal file
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A user-defined trajectory can be specified in either a CSV file, which contains
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@ -78,6 +98,7 @@ Options:
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-i Disable ionospheric delay for spacecraft scenario
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-v Show details about simulated channels
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-n <port> Use TCP connection to Gnuradio TCP-Source for realtime simulation.
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-w Connect with map server(/mapserver/mapper.py) by udp on port 5678.
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```
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The user motion can be specified in either dynamic or static mode:
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1
gpssim.c
1
gpssim.c
@ -1663,6 +1663,7 @@ void usage(void)
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" -i Disable ionospheric delay for spacecraft scenario\n"
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" -v Show details about simulated channels\n",
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" -n <port> Use TCP connect to Gnuradio TCP-Source for\n realtime simulation.\n",
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"-w Connect with map server(/mapserver/mapper.py) by udp on port 5678.\n",
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(USER_MOTION_SIZE)/10.0,STATIC_MAX_DURATION);
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return;
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