内容简介:include void delay(unsigned int z );void main(){ unsigned int a;unsigned char b=0xfe;for(a=0;a<8;a++){ P1=b;//P1口接8个LED灯 delay(200);b=_crol_ (b,1);} } void delay(unsigned 设置定时器时间间隔为1s,计数总共不到1s的话...
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