内容简介:Y0-Y7是分别控制1-8号指示灯 程序如图 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 int z){...
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