iTOP-4418 development board-QtE5.7 system-10.1-inch touch screen
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This document introduces the QtE system of the iTOP-4418 development board (QtE5.7 needs to be modified, QtE4.7 is supported by default) 10.1
Configuration method of inch screen touch.
At present, Xunwei's touch screens are divided into the following types based on the driver chip solutions: TSC2007 series, ft5x0x_ts series and
goodix-ts series.
Due to the upgrade of QtE version, the tslib library that supports touch also needs to be upgraded. After the upgrade, the tslib library needs to be upgraded according to the specific
Import environment variables and configurations of the chip model (corresponding to the device name).
The TSC2007 series, ft5x0x_ts series drivers and QtE configuration are all fully configured. The 10.1-inch screen uses
The driver chip is goodix-ts, the touch driver and configuration are all configured, but the default environment variable import is missing
A parameter, QtE5.7 needs to add a parameter.
The operation of this document is to configure directly on the development board. Users can also modify the source code, recompile, and modify the file.
This document can be used for all Xunwei development boards and QtE5.7-10.1 inch screen touch configuration.
Touch configuration for QtE5.7
As shown in the figure below, "/etc/profile" is the configuration file for touch.
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After opening, as shown in the figure below,
EVENT=$(cat /proc/bus/input/devices | grep -E 'TSC2007|ft5x0x_ts|goodix-ts' -A4 | tail -n1 | a
Add "|goodix-ts" after "TSC2007|ft5x0x_ts|" in the output file. After adding, the file will be as shown in the following figure.
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After the changes are saved, restart the development board and the QtE5.7 system will start the touch calibration. After the calibration is completed, a touch screen application will run and a track will appear on the touch screen after touching.
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