i.MX ProcessorsのトピックRe: imx 53 touch controller issue

imx 53 touch controller issue

seetha — Mon, 03 Oct 2011 11:52:30 GMT

Dear friends,

I am working on imx53 BSP. Everything is working fine except the touch.I am using 4-wire MAX 11801 touch controller with I2C communication.This touch controller is working too slow.I mean it takes a lot of time to open a icon on which i click.It prints X,Y position of the screen when I touch the screen.It is not properly displaying the prints that I have put in IST.Please help me out to solve this issue.I have also attached the touch controller code along with this.

Thanks in advance,,

Seetharam

Re: imx 53 touch controller issue

JasonZhang1z — Wed, 02 Nov 2011 04:21:25 GMT

Hi,

Can you use the max11801 driver in our latest 2.6.35 branch ?

I tested this driver works well.

So I suspect your driver which provide by vender was not works very well.

Thanks.

Re: imx 53 touch controller issue

seetha — Tue, 08 Nov 2011 05:24:03 GMT

Hi,

Thanks for the reply.Now it is working fine.

Thanks and Regards,

Seetharam

Re: imx 53 touch controller issue

admin — Thu, 16 Aug 2012 17:51:32 GMT

Can you please send me "tchstreampdd.h" file

Re: imx 53 touch controller issue

admin — Thu, 16 Aug 2012 17:52:40 GMT

Can you please send link to this branch "max11801 driver in our latest 2.6.35 branch"

Jason Zhang said:

Hi,

Can you use the max11801 driver in our latest 2.6.35 branch ?
I tested this driver works well.
So I suspect your driver which provide by vender was not works very well.
Thanks.

Re: imx 53 touch controller issue

JasonZhang1z — Fri, 17 Aug 2012 10:16:04 GMT

http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/drivers/input/touchscreen/max11801_ts.c?h=imx_2.6.35

FYI

Re: imx 53 touch controller issue

admin — Fri, 17 Aug 2012 16:51:37 GMT

Thank you for quick response!!

I need to develop multitouch driver for WEC7(windows embedded compact 7).In the above thread attached files "tchstreampdd.h" is missing

Can you please send me the header file or link to full code of the WEC7 multitouch driver.

Thanks in advance

Re: imx 53 touch controller issue

seetha — Wed, 22 Aug 2012 10:30:34 GMT

Hi Nithin,

I would be happy to know your driver development progress...

Regards,.

Seetharam

Re: imx 53 touch controller issue

admin — Sat, 29 Sep 2012 02:20:58 GMT

Hi,

I am facing problem with calibration.The touch hardware can calibrate itself.No need of any TCHcal.dll

In registry i am loading only streamdriver.dll(PDD) and Tchproxy.dll.But TChcal.dll is getting loaded and it is calibrating to default values.The problem with this I need to touch some other place to select a particular item.How to remove tchcal.dll completely

TIA,

Nithin

Re: imx 53 touch controller issue

admin — Sat, 29 Sep 2012 02:21:09 GMT

Hi,

I am facing problem with calibration.The touch hardware can calibrate itself.No need of any TCHcal.dll

TIA,

Nithin