I think it could be because of Framebuffer not configured properly as
I am not getting the "Android" text in the center of touchscreen LCD.
Is it to do with missing pan_display in framebuffer ?
Thanks
Ajay
On Jan 21, 8:06 am, AJAY <ajay...@gmail.com> wrote:
> Hi ,
>
> I have ported android on the ARM9 based board. I are able to see the
> home page after booting android on target. But the touch screen is
> not working. The touch screen driver is modified to pass the of X,Y
> pressure as shown below.
>
> xtmp = (axis_table[2] + axis_table[0]*x +
> axis_table
> [1]*y )>>axis_table[6];
> ytmp = (axis_table[5] + axis_table[3]
> *x + axis_table[4]*y )>>axis_table[6];
>
> printk("x (xtmp)-> %d (%d)\t y(ytmp)
> -
>
> > %d (%d)\n p->%d\n",x,xtmp,y,ytmp,p);
>
> input_report_abs(d->idev, ABS_X,
> xtmp);
> input_report_abs(d->idev, ABS_Y,
> ytmp);
> input_report_abs(d->idev,
> ABS_PRESSURE, p);
> input_report_key(d->idev,BTN_TOUCH,
> 1);
> input_sync(d->idev);
>
> ours is resistance based touchscreen with resoultion of 240*432.
>
> The pointer location application of the android does'nt recognise the
> touch screen inputs. The touch screen is calibrated using
> ts_calibrate of tslib. The max values for x and y is 4095.
>
> Currently the date and time bar scrolls down upon clicking on the
> screen, we are not able to lauch any of the applications.
>
> Can anyone please tell what needs to be done to correct the
> touchscreen issue.
>
> Thanks
>
> Ajay
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