基于STC89C52单片机的舵机测试程序

/********************************************************************
* 舵机测试程序  
* STC89C52  BOARD  
* Copyright(C) 2009.8.27  By:DamoLiuyun,Hubei Wuhan
* All rights reserved. 
********************************************************************/ 


#include<reg52.h> //51单片机头文件
 
#define uint unsigned int //宏定义 
#define uchar unsigned char //宏定义

void delay(uint); //延时子函数声明
void enable1(void);
void enable2(void);

sbit P1_0=P1^0; //PWM信号输出端 
sbit K1=P1^1;
sbit K2=P1^2;
sbit K3=P1^3;

/****************************主函数***********************************/ 


void main()  
{ 
  P1_0=1; //置PWM初始输出为高电平 

 while(1)
 {
      if(K1==0)
   {
       delay(20);
         if(K1==0)
      {
    while(!K1);
      enable1();
         //while(!s2)
      }
    }


       if(K2==0)
 {
   delay(20);
   if(K2==0)
    { 
  while(!K2);
        enable2();
     }

   }
 /* if(K3==0)
 {
   delay(20);
   if(K3==0)
    {
     Init3;