摘要：
产生正弦波的代码：#include <reg52.h>#include <math.h> sbit cs1=P1^0;sbit rd=P1^1;unsigned char p,q;float f;int a;#define pi 3.1415926void delay(unsigned char i){ unsigned char j; for(;i>0;i--) for(j=0;j<110;j++) ;}void main(){ cs1=0; rd=0; whi... 阅读全文
