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nRF Connect, Ubuntu Gnome 17.04, blank window

Ladasky

Hello everyone,

I'm usually on the cutting edge with Ubuntu Linux. I upgrade my development box frequently, because I like the precompiled binaries in the Ubuntu repository. I prefer to use my time building nRF52 apps from source, rather than building Linux apps from source.

I just upgraded to Ubuntu Gnome 17.04. I also have nRF Connect v 1.1.1. I have a PCA10040 board connected to a USB port, to use as a BLE receiver.

I had everything working in 16.04, save for a mysterious, but apparently harmless, JavaScript error message which occurred when I closed nRF Connect (click here if you're interested).

On 17.04, nRF Connect starts up correctly. The Select serial port pull down menu shows my PCA10040 board attached to /dev/tty/ACM0. However, when I select that board, the whole nRF Connect window goes... blank.

Please advise, thanks.

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  • 0

    In both cases shown above, my log output is the same:

    --------------------------------------------------------------------------------
./nrfjprog --eraseall --snr 682202220 --log
nrfjprog verion 9.5.0
--------------------------------------------------------------------------------
FUNCTION: open_dll.
FUNCTION: open_dll.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: connect_to_emu_with_snr.
FUNCTION: connect_to_emu_with_snr.
FUNCTION: connect_to_emu_without_snr.
FUNCTION: enum_emu_snr.
JLinkARM.dll OpenEx returned error 'Cannot connect to J-Link via USB.'.
FUNCTION: close_dll.
FUNCTION: close_dll.
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  • 0

    In both cases shown above, my log output is the same:

    --------------------------------------------------------------------------------
./nrfjprog --eraseall --snr 682202220 --log
nrfjprog verion 9.5.0
--------------------------------------------------------------------------------
FUNCTION: open_dll.
FUNCTION: open_dll.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: connect_to_emu_with_snr.
FUNCTION: connect_to_emu_with_snr.
FUNCTION: connect_to_emu_without_snr.
FUNCTION: enum_emu_snr.
JLinkARM.dll OpenEx returned error 'Cannot connect to J-Link via USB.'.
FUNCTION: close_dll.
FUNCTION: close_dll.
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