pointercal only can create by ts_calibrate ? If you wann't to calibrate the screen on 1st boot, you may should add ts_calibrate program into your system, and modify the init.rc to support 1st booting salibrate ?
ps: how can i patch my work to android code base(the git base)? On Tue, Nov 11, 2008 at 1:45 AM, Sean McNeil <[EMAIL PROTECTED]> wrote: > > I have submitted patches to Google which adds support of a > /system/etc/pointercal (aka. tslib) file for translating coordinates. I > didn't add ts_calibrate into the phone, however. That would be nice to > have so you can calibrate the screen on 1st install. > > Anson wrote: > > Hi all: > > > > We use a resistance touch screen . > > > > the touch screen 's raw input driver will return some ABS_EVENT, and > > BTN_TOUCH input events, > > but the value of ABS always too big, and for some reason, the touch > > screen must re-calibrate. > > > > Our solution is like this: > > we ues touchscreen library such as tslib, to convert this big ABS > > value to a suitable value for the application use, > > and some times , we need calibrate the touch screen, for this , we > > also can use tslib's calibrate application. > > > > You can run a daemon under your system, it read from raw input > > interface provides by driver, and inject to android input interface , > > such as /dev/input/event0. > > > > ps: may be some modify of android code is needed, for prevent android > > eventHub compete with you daemon. > > > > > > > > On Mon, Nov 3, 2008 at 3:41 PM, hackbod <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>> wrote: > > > > > > Fwiw, we don't treat the touch screen as a mouse of any kind, it is > > read as a absolute pointer device. > > > > On Oct 31, 12:09 am, "anson.zhang" <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>> wrote: > > > Hello All: > > > > > > Our team start porting android in our hardware few days ago , > > > for now , our kernel with android patch is seems ok, > > > we now porting device driver such as framebuffer, and touchscreen. > > > > > > I know android is treated touchscreen device as a normal ps/2 > mouse, > > > but i just cann't find how android do calibration job, since > > touchscreen > > > must do some calibration. > > > > > > Counld any one can help me, > > > thanks a lot in advance! > > > > > > -- > > > Best regards, > > > > > > Anson Zhang > > > > > > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [EMAIL PROTECTED] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
