Attention is currently required from: dexter, fixeria.

laforge has posted comments on this change by dexter. ( https://gerrit.osmocom.org/c/pysim/+/37839?usp=email )

Change subject: pySim-shell: prevent opening/closing logical channel 0 ......................................................................

Patch Set 7: Code-Review+1

(1 comment)

File pySim-shell.py:

https://gerrit.osmocom.org/c/pysim/+/37839/comment/4cd0fa48_d493a729?usp=ema... : PS4, Line 968: choices=range(1,4),

Yes, range(1,4) excludes the 4 (i find that a bit confusing, bit it seems to be some half open inter […]

sysmocom cards only support basic logical channels, while pySim contains (untested) support for extended logical channels. The ATR tells us about the support:

``` ATR: 3B 9F 96 80 1F 87 80 31 E0 73 FE 21 1B 67 4A 35 75 30 35 02 51 CC ... Command chaining, length fields and logical channels: 1B - Logical channel number assignment: by the interface device and card - Maximum number of logical channels: 4 ```