说明：  液晶显示屏显示程序示例及汉字字模提取程序。示例程序中包含一个类似于printf的子程序可方便地显示字符串。字模提取程序会自动从单片机C程序中提取所包含的汉字的字模，生成示例子程序所需要的小字库。
(LCD screen and Chinese character display program sample matrix extraction procedure. Examples of programs include a subroutine similar to printf the string can be easily displayed. Matrix extraction process automatically from the single-chip C extraction process of Chinese characters contained in matrix to generate the required sample subroutine small font.)