Program.s
    //The following code is only run once when power on, and is generally used for global variable definition and power on initialization data
    int sys0=0,sys1=0,sys2=0     //At present, the definition of global variable only supports 4-byte signed integer (int), and other types of global quantity declaration are not supported. If you want to use string type, you can use variable control in the page to implement
    bauds=115200//Configure baudrate
    dim=100//Configure backlight
    recmod=0//Serial data parsing mode:0-Passive mode;1-Active mode
    printh 00 00 00 ff ff ff 88 ff ff ff//Output power on information to serial port
    page 0                       //Power on start page 0
