How difficult to make libnrfjprogdll.so for ARM processor?

[cswanson420]

Hi,

I am working on making a test harness using the nRF52DK and a raspberry pi so I may run unit tests directly on the nRF52832. I want to use the UART to give test results back so I am still leaning toward the raspberry pi. Furthermore, the test harness will run an application with Django embedded that shall coordinate the SWO activity and UART responses that shall integrate with Jenkins.

I found the pynrfjprog repo which supports - in design - an elegant solution for integrating the python Django application to the SWO features on the nRF52DK, however, as has been mentioned in posted questions about nrfjprog, the utility does not work on ARM processors.

I still can implement the Django solution but I will need to use python's subprocess to call JLinkExe and this solution feels less robust.

Since libnrfjprogdll is a wrapper to the JLinkARMDLL as explained in the pynrfjprog README.md, how difficult is it to provide an libnrfjprogdll.so for an ARM processor?

[bjorn-spockeli]

The interface MCU on the nRF52 DK acts as a UART to Virtual Com Port bridge, so I would think it would be much easier to implement this on a computer running linux which the nrfjporg utility supports.

Best regards

Bjørn

[RK]

libnrfjprogdll eventually links to the JLinkDLL provided by Segger's JLink SDK. They provide that DLL for windows, linux and osx, and as far as I've ever been aware, that's linux on x86 only. I don't believe they provide a version which runs on linux ARM (surprisingly as they are an ARM debug shop).

So without that, it's pretty impossible to provide a version of libnrfjprogdll for an ARM linux, no underlying support from segger.