说明：  这个是一个用Keil C51编写的LCD12864的驱动程序示例，本程序可以做标准的驱动运用，提供API式外部函数接口：具体功能见程序
(This is a prepared using Keil C51 driver LCD12864 example, the procedure can be done to use the standard drivers, providing API-style external function interface: specific features, see the procedure)