关于8279的键盘的读取及驱动数码显示的例子，在头文件中定义了8279的地址，只须修改成自己设计的地址即可使用。对外有Display()及GetKeyValue两个接口，具体应用看文件说明。-8279 on the reader and keyboard-driven digital display example, the first document of the 8279 definition of the address, only revise their designs in order to use the address. External have Display () and GetKeyValue two interfaces, specific application to see documentation.