RK27驱动，内部包含音频时钟视频等底层处理的C文件,RK27 drive, the internal clock audio video contains the bottom of the C file handle

实现功能：图形时钟，完全用C语言编写，非常有趣！欢迎大家来用！-Realize functions: graphical clock, complete with C language, very interesting! Welcome everyone to use!