Ki and OPC values change when programming MCC and MNC

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Neels Hofmeyr nhofmeyr at sysmocom.de
Wed Feb 22 14:58:53 UTC 2017


On Wed, Feb 22, 2017 at 02:30:01PM +0100, Sylvain Munaut wrote:
> Hi,
> 
> 
> > Do you what's the reason why this is happening?
> 
> Because it's programmed like that ...
> 
> Most cards you have to reprogram all the parameters at once, you can't
> change just one. Not sure about the sysmoUSIM-SJS1 in particulat but
> since pysim has to support different models, it has this restriction.

BTW, this restriction only really came to my awareness once I took a look at
the pysim source code. I think that it could be made clearer by the command
line help, and it could print an according warning like "setting random OPC".

I know what you'll say, right? "Patches welcome" :)

~N

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