这是一个UCOS程序，适合新手入门使用，简单易学，本人就是从这个简单例程开始学习AVR单片机的操作系统， 希望对新人有帮助-This is a UCOS procedures, suitable for beginners to use, easy to learn, I was from the beginning of learning this simple routine AVR microcontroller operating system, want to help couples