Re: A way of polling SIM status

[Marcel Holtmann <marcel@holtmann.org>]

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Hi Andrew,

> >> Unfortunately some modems report CPIN: READY even though they're not
> >> ready.  The only reliable way to poll for this is to poll the IMSI, then
> >> the phonebook and the sms store and report ready only once all of them
> >> can be manipulated.
> >
> > I seems to me that Caiwen is proposing SIM presence polling. Each and
> > every modem does it now separately. Unfortunately this seems to be
> > even trickier than PIN lock polling, at least MBM returns different
> > error codes depending on how far its own initialization has got.
> 
> My MBM seems to only detect the SIM if it is inserted during the modem
> enumeration (on USB or PCI).  If you there's no SIM during modem
> initialisation, or you extract the SIM, then inserting a new SIM is
> never detected, the modem will always return "SIM not inserted" until
> reset.

there is a MBM specific event for SIM insertion. Not sure if it works on
the F35xx, but it should be working on the F36xx and later.

Regards

Marcel