This example shows how to use CortexM3 Bit-Band access to perform atomic read-modify-write and read operations on a varaible in SRAM.

适合于cortexM3的12864液晶程序。测试通过，很好用。其中包括所有一般显示功能所需的函数，只需要调用即可实现自己需要的功能。-Suitable for the cortexM3 12864 LCD program. Through testing, it is to use. Including all general display function of the required function, can be realized just need to invoke to fun