8*8*8的光立方源码，运行于STM32上，效果很好看，实现了对应不同的功能，在源码里面有注释解释功能的实现。-8*8*8 light cube source, running on the STM32, the effect is very good, to achieve the corresponding different functions, the source code, there are notes to explain the realization of the funct