Comments (6)
ivnsmirnov
commented on July 26, 2024
@mr337, have you tried to reboot your Navio?
Python example can stuck if something else is trying to get access to GPS. For example if both C++ and Python examples launched at the same time.
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mr337
commented on July 26, 2024
@smirnov1993 Yeah and I have had that, especially with running two C++ example the second will get a UBLOX test fail, which is great!
After a clean restart via power cycle I'm still getting the same thing. Here is a console output that shows the C++ version working, nothing is running, and the python example.
pi@navio ~/Dev/Navio2/C++/Examples/GPS (gps_output*) $ ./gps
SOLU TOW 320956
SOLU Longitude -93.368036
SOLU Latitude 37.194966
SOLU Height_Ellipsoid 349.662
SOLU Height_Sea 378.663
SOLU Horizontal_Accuracy 1.354
SOLU Vertical_Accuracy 2.488
GNSS Fix 1
GNSS Status 3DFIX
SOLU TOW 320957
SOLU Longitude -93.368036
SOLU Latitude 37.194966
SOLU Height_Ellipsoid 349.744
SOLU Height_Sea 378.745
SOLU Horizontal_Accuracy 1.352
SOLU Vertical_Accuracy 2.487
SOLU TOW 320958
SOLU Longitude -93.368037
SOLU Latitude 37.194965
SOLU Height_Ellipsoid 349.803
SOLU Height_Sea 378.803
SOLU Horizontal_Accuracy 1.355
SOLU Vertical_Accuracy 2.492
^C
pi@navio ~/Dev/Navio2/C++/Examples/GPS (gps_output*) $ ps aux | grep gps
pi 1203 0.0 0.2 4276 1888 pts/0 S+ 17:09 0:00 grep --color=auto --exclude-dir=.bzr --exclude-dir=CVS --exclude-dir=.git --exclude-dir=.hg --exclude-dir=.svn gps
pi@navio ~/Dev/Navio2/C++/Examples/GPS (gps_output*) $ cd ../../../Python
pi@navio ~/Dev/Navio2/Python (gps_output*) $ python GPS.py
^CTraceback (most recent call last):
File "GPS.py", line 177, in <module>
buffer = ubl.bus.xfer2([100])
KeyboardInterrupt
pi@navio ~/Dev/Navio2/Python (gps_output*) $
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ivnsmirnov
commented on July 26, 2024
Could you please run python example with strace?
Run: strace python GPS.py
It will give us info about which system calls failed
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mr337
commented on July 26, 2024
Gah, so when running strace it seems to work :D
I may have to do a screencap to show what I'm experiencing.
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mr337
commented on July 26, 2024
So in short, when I do a python GPS.py it just hangs, and every now and then it will print a message.
Here is a screencap where I redacted the gps coords but you can check the timing. Literally it works when I run it with strace or attach strace to the proc. Its werid!
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staroselskii
commented on July 26, 2024
Fixed with #17. Thanks for pointing out!
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