Hi Maxime, Thanks for your reply, the coordinates returned by DevTools are completely bogus.
Thanks and Regards, Devindrappa ** On Wed, Jan 11, 2012 at 8:29 PM, Maxime Ripard < [email protected]> wrote: > Hi, > > On 03/01/2012 06:43, Devindrappa Handraki wrote: > > Yes touchscreen controller is the AD7846, i think it might be problem > with > > calibrating the touchscreen. because in home screen if i touch on one > > application it will launch some other application. I also tested the > > calibration by running the "Dev Tool->Pointer Location " application its > > giving wrong coordination. please suggest me if it is touchscreen > > calibration problem, than how to calibrate the touchscreen. > > Ok, so it's not a driver thing. > > I really think that the screen and the touchscreen aren't oriented in > the same direction. > > Are the coordinates returned by DevTools relatively close to the > location of your finger, or are they completely bogus ? > > Maxime > > > On Mon, Jan 2, 2012 at 2:33 PM, Maxime Ripard < > > [email protected]> wrote: > > > >> Hi, > >> > >> On 27/12/2011 07:53, Devindrappa Handraki wrote: > >>> Thanks for your suggestion, now i am able to port the 7" LCD to > >>> devkit8000. now devkit8000 is booting with Android gingerbread > >> > >> Great :) > >> > >>> but touch screen is not working, please help me. > >> > >> How does it not work ? Do you have some events, is it sending bogus > >> inputs or is it just that is it barely usable ? > >> > >> If you have no input at all, I guess the touchscreen controller is the > >> AD7846, check that you have the proper driver compiled with the kernel. > >> > >> If you have bogus input values, you should check that the touchscreen > >> orientation wrt the screen is correct. Like I was saying, for the 4.3", > >> the touchscreen was upside down, it might or might not be the case for > 7". > >> > >> If it is barely usable, then you will have to calibrate the touchscreen. > >> > >> Maxime > >> > >>> On Fri, Dec 16, 2011 at 7:48 PM, Maxime Ripard < > >>> [email protected]> wrote: > >>> > >>>> Hi, > >>>> > >>>> For what it's worth, on the Devkit8000, I found linaro's android > >>>> releases pretty useful, for a number of reasons, most importants to me > >>>> being that you have a kernel and an Android up-to-date. However, I > have > >>>> not worked with rowboat, so I'm probably a bit off-topic here. > >>>> > >>>> Moreover, in recent Linux kernels, I guess I saw support for the 7" > >>>> display as well, so this should be pretty straightforward in your > case. > >>>> > >>>> I have worked with the 4.3" screen, so you would maybe need to tweak > >>>> some stuff here. > >>>> > >>>> If you take, from beagle builds, all you need to do is : > >>>> - make sure you have a u-boot for devkit8000 and not for beagle, or > >>>> you will have some glitches with the screen. > >>>> - once you are done, you should change the bootargs to boot on the > lcd > >>>> with the correct resolution. That should give something like : > >>>> omapdss.def_disp=lcd omapfb.mode=lcd:480x242MR24@60 (change 480x272 > by > >>>> 800x480) > >>>> - Now, you will maybe find that the touchscreen is bogus. On the > 4.3", > >>>> the touchscreen and the display are not oriented in the same > direction, > >>>> so add to your bootargs omapdss.rotate=2 > >>>> > >>>> Once this is done, you should have a fully working gingerbread on your > >>>> devkit8000 :) > >>>> > >>>> Maxime > >>>> > >>>> On 16/12/2011 14:39, devu wrote: > >>>>> Hi all, > >>>>> > >>>>> I am working on devkit8000, I have ported the demo image of android > >>>>> 1.5 on devkit8000 successfully with 7" LCD display. And Now i am > >>>>> trying to port android 2.2(Froyo) on devkit8000,which has been > >>>>> downloaded from rowboat android. The problem is 7" LCD display is > not > >>>>> supported with android 2.2(froyo). please suggest me how to make 7" > >>>>> LCD display supports with android 2.2(froyo) on devkit8000. > >>>>> > >>>>> Thanks in advanced > >>>>> Devindrappa > >>>>> > >>>> > >>>> > >>>> -- > >>>> Maxime Ripard, Free Electrons > >>>> Kernel, drivers, real-time and embedded Linux > >>>> development, consulting, training and support. > >>>> http://free-electrons.com > >>>> > >>> > >> > >> > >> -- > >> Maxime Ripard, Free Electrons > >> Kernel, drivers, real-time and embedded Linux > >> development, consulting, training and support. > >> http://free-electrons.com > >> > > > > > -- > Maxime Ripard, Free Electrons > Kernel, drivers, real-time and embedded Linux > development, consulting, training and support. > http://free-electrons.com > -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
