一个自己写的RTOS，运行起来很不错，使用与51等RAM，ROM小容量的单片机-an himself wrote the RTOS, functioning quite well, and with the use of 51 other RAM, small-capacity ROM Microcontroller

rtos 是atmega单片机用的实时系统，非常好用-ATmega Singlechip RTOS are used in real-time system is very easy to use