atmel162单片机的屏幕显示程序，因为屏幕分上下两块，因此我这里是分开进行控制，也可以加一个判断，里边有注释，适合新手参考-atmel162 SCM screen display program, because the screen was divided into two, so I have here are separate control, you can also add a judge inside a comment, suitable for novice Referenc