Click on the left arrow text box to decrease the data, click on the right arrow text box to increase the data. To achieve the above incremental adjustment function, two incremental adjustment buttons and a data variable display need to be designed. The left arrow is set to — and the right arrow is set to + +. In order for the incremental adjustment to be displayed in the middle of the data variable, the two buttons and the data variable must have the same variable storage address defined in the diagram.
The properties of the right arrow incremental adjustment button are set as shown in Figure 5-4-1 and the serial port returns the following command when the right arrow button is clicked continuously
A5 5A 06 83 6f 01 01 00 01 A5 5A 06 83 6f 01 01 00 02 …… A5 5A 06 83 6f 01 01 00 09
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