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Questions tagged [gpsd]

gpsd is a gps provider which provides the values of the current position

gpsd is a utility that can listen to a GPS or AIS receiver and re-publish the positional data in a simpler format. gpsd is a daemon that receives data from a GPS receiver, and provides the data back to multiple applications such as Kismet or GPS navigation software.

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WCF Service to Read Telnet Data

I am using an Android phone in my application to read GPS information. The GPS information is sent over Telnet and I want to read it in my application. I will then databind the position of something like a blob to the GPS data and display a user on…
Chinmoy
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GPSD simple query's

I need some information from my GPSD server running on my NTP master server. Amount of satellites it is seeing Which satellites it is using for the positon fix (maybe also SNR) Which satellites it is seeing since there are a lott of them (is…
HyperDevil
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How to cross-compile gpsd which comes with scons using only command line options

I'm trying to figure out how to cross-compile GPSD 3.16 as external package in a buildroot environment. I'm already able to tell scons which compiler it should use and it produces correct compiled files. scons…
steve4711
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extracting gpsd output from terminal using python program

I did run a command from the python program which is related to GPS. sudo gpsd /dev/ttyS0 -F /var/run/gpsd.sock cgps -s Now i want to use this information like latitude and longitude in my python code. How can i get these data? And these latitude…
gurudatta kr
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GPS reading not changing corresponding to moving device

I am developing an application in raspberry pi to use it as a location tracker. I am using neo-6m GPS via USB interface to get the position data in raspberry pi. For this I am setting up GPSD to point to the USB-Serial device. (See instructions) The…
Kiran
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how to decode gps binary messages using gpsd in linux for u-blox neo8n gps engine

is gpsd able to decode u-blox binary messages or not? i particularly need the UBX-NAV messages. if it doesn't what do you recommend to use instead?(a linux based one plz)
hossein valizadeh
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Python logger inserting null (^@) control characters into file

I am reading some data from gpsd and writing it using using Python's logging module. I am fairly confident that only one process writes to this file, although I read from it using tail while this logger is running. Every once in a while I am…
a2f0
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GPSD delivering wrong time

I'm currently having some fun with the gspd library and noticed that the time I get switches between two values - The actual value (today) and some date in 1991. When displayed gpsmon it normally shows the right time. Using cgps -s displays the…
SgtDroelf
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Not receiving any GPS data with libgps

I want to read my GPS coordinates with libgps. This is my code: #include #include #include #include int main(void){ struct gps_data_t gps_data; int ret = 0; ret = gps_open("localhost",…
Michael Gierer
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Get different values from self.current_value for Raspberry Pi GPS poller

I'm trying to figure out how to make a script that will run in the background and give me the current values of latitude, longitude, altitude, etc of a gps. I would also like to have it update the speed to the maximum. I found this helpful…
Alexander
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Linux: Read data from serial port with one process and write to it with another

I've ecountered a problem using a serial GPS/GNSS device on a Raspberry Pi. The device in question is a u-blox GNSS receiver symlinked to /dev/gps. I try to achieve logging the output data from this device and simultaneously sending correction data…
alblinks
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Connection with GPS not working properly.

I am trying to work out a connection with a gps, but I have not been able to do so, unfortunately. First of all, I tried to follow a guideline from the producer's website: http://odroid.com/dokuwiki/doku.php?id=en:c1_usb_gps ,but after entering the…
Karol Bresler
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PYTHON, LINUX: streaming to and from cmdline

I'm trying to decode some non-standard AIS (bunch of nmea strings with extra info tagged on) data using the gpsd library. The AIS data is read from a continuously increasing text file (one per day with newlines being new data). Some processing is…
RedM
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Setting system time with gps timestamp_t structure in Linux

Setting system time with gps timestamp_t structure in Linux Hi Everyone, I'm trying to write code that as soon as I get a succesfull GPS lock (Adafruit Ultimate GPS w/ GPSD) I set the system time. Right now, I can see that 'timestamp_t': typedef…
DrTarr
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NTPD Pseudo Servers

Good evening! I'm configuring NTP on an embedded Linux system connected with an U-Blox GPS receiver. I've used NTPD and GPSD. I would like to know what's the technical difference between: PPS Signal provided by the GPSD shared memory SHM, (Pseudo…
Francesco Zanel
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