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touch screen no response

Question asked by 明 管 on Apr 2, 2019

          It uses the core board of imx6q, carries Linux system 3.0.5, and uses the QT graphical interface.

         Sometimes the application can not respond to the button. At this time, the use of an external mouse can respond to the button. Initial suspicion is the underlying reason. Touch screen uses the gt911 chip of IIC interface.

         Please give some suggestions.

         thank you!