2023-11-08阅读(62)

求汇编语言或c语言编写无源蜂鸣器程序!#include#defineucharunsignedcharsbitk1P1^0;sbitk2P1^1;sbitk3P1^2;sbitk4P1^3;sbitfmqP1^7;ucharcnt,sec;vodit0isr()interrupt1{T