液晶驱动LC75823的驱动程序源代码，串行通信

程序实现LC75823驱动，循环滚动显示0～9，A~Z，初始不断向左轮转显示，可通过按键任意更改滚动方向。-Procedures realize LC75823-driven, cycle Scrolling 0 ~ 9, A ~ Z, the initial continuous rotation to the left shows that can change the scroll direction of arbitrary keys.