delay in SIM reader interrupt handler
spaar at mirider.augusta.de
Tue Nov 1 13:07:35 UTC 2011
On Tue, 01 Nov 2011 12:28:05 +0100, "jolly" <andreas at eversberg.eu> wrote:
> i removed the delay, and it works. i checked the tsm30 source code. it
> also sets the IO to input right after writing the last TX byte. (i guess
> that the controller will trigger the IO switching at the end of
> transmission.) so why do we need that delay? are there any problems?
I can't tell you exactly what went wrong (it was months ago that I
worked on this part). But most certainly one of my Test SIMs did
not work without this delay. So I would suggest to leave a comment
at this place in case problems with certain SIMs occur.
Dieter Spaar, Germany spaar at mirider.augusta.de
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