Thanks
In data lunedì 26 aprile 2010 18:09:16, steven taffs ha scritto: : > http://www.steventaffs.pwp.blueyonder.co.uk/ > > I have used a ads7846 in the project above (see schematic page 6). Follow > the uClinux link and click on actelm7_kern12.patch the search for > ads7846_ts_input.c it is a hacked up example, that works for the ads7846. > > basically you need to fill in the ads struct's correctly and linux will do > the rest > > --- On Mon, 4/26/10, Fabio Giovagnini <fabio.giovagn...@aurion-tech.com> wrote: > > From: Fabio Giovagnini <fabio.giovagn...@aurion-tech.com> > > Subject: [uClinux-dev] Re: Hi guys, does any of you have experience with > > touchscreen controllers? To: "Michael Trimarchi" > > <trimar...@gandalf.sssup.it> > > Cc: "Dale Larson" <d-lar...@wi.rr.com>, "uClinux development list" > > <uclinux-dev@uclinux.org>, "Linux-SH" <linux...@vger.kernel.org> Date: > > Monday, April 26, 2010, 11:45 AM > > 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 > > _______________________________________________ > uClinux-dev mailing list > uClinux-dev@uclinux.org > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > This message was resent by uclinux-dev@uclinux.org > To unsubscribe see: > http://mailman.uclinux.org/mailman/options/uclinux-dev > -- Fabio Giovagnini Aurion s.r.l. P.I e C.F. 00885711200 Tel. +39.051.594.78.24 Cell. +39.335.83.50.919 _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev