本程序引入一个新的类XStatusBar，用于显示文本、数字、位图或者状态条。而且，这些窗格可以交替显示这些内容，以及支持鼠标点击行为-This program introduces a new class XStatusBar, used to display text, numbers, bitmap or status bar. Moreover, these can alternately display the contents pane, and support mouse clic

基于cortex_m3的USB鼠标触控实验，功能为：触摸液晶屏，PC机上鼠标箭头显示-The USB mouse touch-based cortex_m3 experiment functions: touch LCD screen, PC, the mouse arrow on the display