Re: Hi guys, does any of you have experience with touchscreen controllers?

Fabio Giovagnini
2010-04-26T10:45:08Z

Thanks a lot.
But where is a good example for starting from?

Thanks

In data lunedì 26 aprile 2010 12:41:13, Michael Trimarchi ha scritto:
: > hi fabio,
>
> Fabio Giovagnini wrote:
> > Hi Dale,
> > maybe I need to be more clear about my condition.
> > 1) I connected the ads7843 to general I/O ports because the SPIs
> > available on sh2a7203 have been be used for other functions;
>
> It is not a big problem, you can also bitbang on the gpio pin.
>
> > 2) My real problem is the following: I wrote an ADS7843 device driver as
> > a button driver of the input subsystem. I configured the ads7843 with INT
> > enabled; so when the touch is pressed I have a burst of IRQ. The IRQ
> > handler read the ads7843 and return to the input subsystem the abs values
> > of the touchscreen.
>
> I think tha rewrite the code it is not so usefull but reuse the code
> using a bitbang interface
> it's more simple and don't need a lot of testing
>
> Michael Trimarchi
>

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Fabio Giovagnini

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