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40 lines
1.8 KiB
Text
40 lines
1.8 KiB
Text
gpsd is a userland daemon acting as a translator between GPS, GNSS, and
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AIS receivers and their clients. gpsd listens on port 2947 for clients
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requesting position/time/velocity information. The receivers are
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expected to generate position information in a well-known format -- as
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NMEA-0183 sentences, SiRF binary, Rockwell binary, Garmin binary
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format, or other vendor binary protocols. gpsd takes this
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information from the GPS and translates it into something uniform and
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easier to understand for clients. The distribution includes sample
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clients, application interface libraries, and test/profiling tools.
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See README.build for some build options that might be useful.
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To enable automatic startup of gpsd at boot time, or when a GPS device
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is connected via USB, you need to do the following four steps:
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1. Copy the file /lib/udev/rules.d/25-gpsd.rules to /etc/udev/rules.d/
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2. Edit the file /etc/udev/rules.d/25-gpsd.rules and uncomment the line
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(or lines) beginning '#ATTRS' that corresponds to your GPS hardware.
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To avoid confusion with other USB serial devices that you might have,
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do not uncomment lines that do not correspond to your GPS hardware.
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But if you do not know which line to uncomment, and you do not have any
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other serial devices, you can uncomment them all :-)
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3. Make the file /etc/rc.d/rc.gpsd executable.
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chmod +x /etc/rc.d/rc.gpsd
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4. Add the following lines to /etc/rc.d/rc.local
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if [ -x /etc/rc.d/rc.gpsd ]; then
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/etc/rc.d/rc.gpsd start
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fi
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Configuration options may be set in the file /etc/rc.d/rc.gpsd.conf.
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The defaults will usually be adequate. However, if your GPS is on a
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real (non-USB) serial port -- for example, /dev/ttyS0 -- you should add
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/dev/ttyS0 to GPS_DEVICES in /etc/rc.d/rc.gpsd.conf.
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Optional dependencies:
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- python3-matplotlib-inline is required for gpsplot
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- pyserial is an optional dependency for ubxtool and zerk
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