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Subject: Re: Classic holdswitch polling

Re: Classic holdswitch polling

From: Michael Sevakis <>
Date: Wed, 7 Mar 2012 14:02:40 -0500

> Isn't this thread about a single target which, which has to read keys via
> slow i2c? That's very target specific.
> Most (all?) other targets read via GPIO or similar which is very fine in
> an ISR.
> Best regards.

Making an async, interrupt driven i2c driver that can initiate reads in
another interrupt handler and call a callback when complete ain't exactly
rocket science. There are targets that do that.

Received on 2012-03-07

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