Floating inputs on unused GPIO pins

Leon Woestenberg leon.woestenberg at gmail.com
Tue Oct 14 00:40:00 EST 2008


Hello Laurent,

On Mon, Oct 13, 2008 at 3:12 PM, Bill Gatliff <bgat at billgatliff.com> wrote:
> At least until someone plugs in that expansion module!
>
Bill's remark made a neuron connection in my head:

Can you detect if the module is inserted or not? (By reading a known
state of some pin)?

You could then configure the pins dynamically in your driver.

Regards,
-- 
Leon



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