51单片机SG90舵机使用

代码如下：

#include "reg52.h"

//sbit ledgreen = P0^0;
//sbit ledyellow = P0^1;
//sbit beep = P0^2;
sbit sg90=P1^0;
char jd=0;
int cnt;
	
void Delay300ms()		//@11.0592MHz
{
   
   
	unsigned char i, j, k;
	i = 3;
	j = 26;
	k = 223;
	do
	{
   
   
		do
		{
   
   
			while