Design of Using Dot-matrix LCD to Display Multilevel Menus
TANG Wei, LU Daohua, GU Jinfeng(Dept. Of Mechanical Eng., East China Shipbuilding Institute, Zhenjiang Jiangsu 212003, China)
As an example of GXM12864 LCD controlled by 8031 single chip microcomputer, the paper introduces how to establish Chinese and Western characters library and illustrates a method of displaying multilevel menus. When the content of menu is changed, correctly setting the parameter of menu without changing the program can make it properly displayed. The design thoughts of hardware and software mentioned is effective and universal.