Author Topic: Unable to use multi-touch protocol in NHD-5.0-800480TF-ATXL-CTP  (Read 140 times)

IMSNitin

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Unable to use multi-touch protocol in NHD-5.0-800480TF-ATXL-CTP
« on: September 05, 2019, 12:00:56 AM »
Hey..We are using NHD-5.0-800480TF-ATXL-CTP with Beaglebone green along with a customized Analog Front End module. We are using a Linux (Debian) kernel, the latest one that has been provided in the beaglebone website. The display of the LCD seems to come up fine on kernel boot-up, however the 5-point multi-touch feature doesn't seem to work. At the moment , the LCD can detect and react to one single touch at a time so the touch feature is not completely dormant. Since the multi-touch feature is dormant we are unable to zoom-in and zoom-out on the LCD screen. I am attaching the DTS file we have been using for the  LCD. Could someone please suggest a possible solution for the same.

Thanks in advance
Regards
Nitin

Ted_M

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Re: Unable to use multi-touch protocol in NHD-5.0-800480TF-ATXL-CTP
« Reply #1 on: September 06, 2019, 04:20:39 PM »
Hi Nitin,

Please reference our Github for the Focaltech FT5x26 Linux drivers:
https://github.com/NewhavenDisplay/FT5X26-Focaltech-Drivers

Best Regards,

IMSNitin

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Re: Unable to use multi-touch protocol in NHD-5.0-800480TF-ATXL-CTP
« Reply #2 on: September 09, 2019, 11:18:38 PM »
Hey Ted,
Thanks for the reply, but doesn't the NHD-5.0-800480TF-ATXL#-CTP make use of Focaltech FT5306 touch controllers. I found the same mentioned in the datasheet. Please correct me if I am wrong. Could you  also please guide me on the steps to integrate the touch drivers with my Kernel.

Thanks in advance
Regards
Nitin
« Last Edit: September 09, 2019, 11:24:52 PM by IMSNitin »

 

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