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 -~----------~----~----~----~------~----~------~--~---
