本程序是AVR单片机：http://www.ipbb.cn/post/avr.html的LED灯闪烁的C语言程序，这个是每个初学者必须经历的实验噢！-This procedure is the AVR MCU: C language program http://www.ipbb.cn/post/avr.html the LED flashes, this is every beginner must go through experiment