On Tuesday, January 8, 2002, at 10:18 pm, Joe Phillips wrote:

> On Tue, 2002-01-08 at 15:08, Jim Rees wrote:
>> I think Irina is wrong about the Cyberflex atr. I think the spec says
>> that
>> your card communicates at default timings (9600) until it gets sent a
>> pps.
>> It looks like the Gemplus reader immediately switches to the timing
>> specified by TA1, even if there is no pps.
>
> This is what I suspected as well.
>
> I don't really care who they place the blame on, I really only want my
> cards to work with the reader so I can get to application development.

I think Irina just said the contrary of what she meant: GemCore seems to
automatically switch to the TA1 specified in the ATR. The GemCore
command she describes (0x23 0x01 0x00 0x3E 0x01 TA1) is to switch to the
specified TA1. She told you to use TA1 = 11h or 32h which sets you to
the standard setting.

> In any case, I need to figure out how to tell the reader to get back to
> 9600.

The GemCore command should work for the 430 and the 410 but I don't
think the GPR400 uses the same format. Did you have a look at the
documentation available on Gemplus developer site?

JLuc.

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