LCD手机显示程序的设计，主要涉及LCD中画点、画线、写字等一系列基本函数，以及在此基础上编写的主菜单界面、子菜单界面等内容。-LCD phone displays the design of the program, mainly related to the contents of the LCD in the painting, drawing lines, writing a series of basic functions, as well as prepared on the ba