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Probably, you can ask FocalTech what do they know about this? February 05, You can find more information on building and customizing Device Tree in How to customize Debian 9.
How to enable support for FT5x06 Multi-Touch Controller on VisionSOM-6ULL
To be sure that your SD card has enough space for it, please remember to resize it before installing xfce4 package - more information: Navigation Main page SomLabs Website. Below is a link to the FT5x06 application note, which shows these registers: Also, you should clearly state in datasheet what chip is used for each display.
And it started to work properly! July 11, Note that on some touchscreens ft5x it is required to define another port called the IO port on the same port as the interrupt port:. Produced config actually scales values from touchscreen controller to map to the screen so it may happen that one axis works ok and another doesn't.
Page Discussion View source History. The most urgent problem remains with 4.
Actually, we did it manually by wire sporadic pulse, not equal ms but this didn't help. If you get lucky, you might find firmware supporting your device from this repository. Testing was done vt5306 an A20 platform and gave exceptionally good results. Support for various Goodix GT9xx chips is available since Linux This setting will define the same port with mux setting 0 as output to allow the driver to switch to IO mode.
Do you have another 4. July 17, To get back to the initial state you would need to power cycle it, although ft53066 shouldn't be any hanging if you are initializing it as shown in the code I've posted.
We need some advice from you what can we check to solve this issue. Contents 1 General information 1.
To enable support for FT5x06 driver, configure kernel with menuconfig tool alternatively use make xconfig or make qconfig:.
For more info how to customize, build and upload Device Tree file, please visit How to customize Debian 9.
Touchscreen -
Started by dfansler Board TFTs. Also, we saw the display responds with an ACK so this behavior cannot be thought as just undefined bus. That's why I was confused. Probably we need something else? Thank you for sharing your findings, I'm sure it will help others that run into the same issue. Details can be found in the user manuals for Allwinner chips, in the section TP touch panel. We tried to write different values of amplifier via the linux driver but this does not help.
In Debian — like in most of nowadays Linux distributions — default input device driver is libinput https: Similar to item 1 we could not find solution how to improve sensivity. You may be correct, since the WAKE signal operates as you have described.
In the other way a resistive touchscreen has 4 wires.
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