AVRX is a single

代码说明：

AVRX 是一个为AVR单片机写的操作系统，尺寸较小，使用方便，但核心部分为汇编，这里是一个C语言写的核心-AVRX is a single-chip AVR write the operating system, smaller sizes, and easy to use, but the core part of the compilation, here is a C language to write the core