摘要：
include <REGX52.H> include "delay.h" unsigned char i; void main(){ while(1){ if(P3_11){ delay(0.02); while(P3_11); delay(0.02); P2=~(0X00+i); i++; }} 阅读全文
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摘要：
include <REGX52.H> include "delay.h" unsigned char i; void main(){ while(1){ if(P3_11){ delay(0.02); while(P3_11); delay(0.02); P2=~(0X00+i); i++; }} 阅读全文
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