Gd32f4xx controls dgus touch keys

1、DGUS Touch function

1.1 DGUS Touch control

stay DGUS Tool Developing software , Touch related controls include basic touch and key return 2 Kind of . The basic touch type can directly set the button effect 、 Whether to switch pages and define key values . Basic touch control is generally used for key input . If you want to control with code DGUS Touch screen function , Use the key to return to the control . This article mainly introduces the use of key return control .

Above picture , Inside the red box Hand icon based touch 、 The other is to press the key to return .

1.2 Press the key to return to the control configuration

1） X and Y Is to press the key to return the position of the control in the page ,W and H Is the width and height of the control .

2） Name definition , You can set the corresponding name for the key return control according to your own design .

3） Automatic data upload , This option needs to be checked , When the touch area is pressed ,DGUS The screen will send the key value of the key to the control chip through the serial port . This is to achieve code control DGUS The basis of touch function .

4） Page switching , Because I want to pass GD32F4xx The code controls the function of the key , Therefore, the page switching here is not set .

5） Key value ： The value returned after the key is pressed （ length 2 byte ）.

6） Variable address ： Pointer to variable memory .

2、GD32F4xx Control code

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