本程序实现了读取随机文件的数据,并产生一个方波图形.而且用户用鼠标点击后,会根据坐标自动取得当前点的值.对程序稍做修改,可用于单片机的数据图形处理-This procedure has to read random data files and graphics to produce a square wave. And the user with the mouse click, automatically based on the current point coordinate valu