caiyu/gps-sdr-sim
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gym487 2017-05-01 00:54:33 +08:00
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README.md
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@ -18,7 +18,7 @@ to RF using software-defined radio (SDR) platforms, such as
$ gcc gpssim.c -lm -O3 -o gps-sdr-sim $ gcc gpssim.c -lm -O3 -o gps-sdr-sim
``` ```
## Realtime by Gnuradio ### Realtime by Gnuradio
Use -n option can connect to a TCP source in Gnuradio for realtime simulation. Use -n option can connect to a TCP source in Gnuradio for realtime simulation.
@ -26,6 +26,26 @@ The tcp source should be set in "Server" mode.
See tcp.grc as an example. See tcp.grc as an example.
### Map
cd into /mapserver, and run
```
python mapper.py
```
Then visit http://127.0.0.1:8080/static/baidumap.html to use the baidu Online map.
Actually I don't want to use BaiduMap.. But because of the GFW, I can't access Google..
You can write an map which can POST data to http://127.0.0.1/post like this
```
lon=116&lat=39&hgt=10
```
to replace Baidumap.
### Generating the GPS signal file ### Generating the GPS signal file
A user-defined trajectory can be specified in either a CSV file, which contains A user-defined trajectory can be specified in either a CSV file, which contains
@ -78,6 +98,7 @@ Options:
-i Disable ionospheric delay for spacecraft scenario -i Disable ionospheric delay for spacecraft scenario
-v Show details about simulated channels -v Show details about simulated channels
-n <port> Use TCP connection to Gnuradio TCP-Source for realtime simulation. -n <port> Use TCP connection to Gnuradio TCP-Source for realtime simulation.
-w Connect with map server(/mapserver/mapper.py) by udp on port 5678.
``` ```
The user motion can be specified in either dynamic or static mode: The user motion can be specified in either dynamic or static mode:

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gpssim.c
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@ -1663,6 +1663,7 @@ void usage(void)
" -i Disable ionospheric delay for spacecraft scenario\n" " -i Disable ionospheric delay for spacecraft scenario\n"
" -v Show details about simulated channels\n", " -v Show details about simulated channels\n",
" -n <port> Use TCP connect to Gnuradio TCP-Source for\n realtime simulation.\n", " -n <port> Use TCP connect to Gnuradio TCP-Source for\n realtime simulation.\n",
"-w Connect with map server(/mapserver/mapper.py) by udp on port 5678.\n",
(USER_MOTION_SIZE)/10.0,STATIC_MAX_DURATION); (USER_MOTION_SIZE)/10.0,STATIC_MAX_DURATION);
return; return;