ok.c

汽车彩铃程序

/******************************************************************************
                                                                              *
 * pm5050语音遥控输出程序 40w                                                    *
 * 单片机 AT89C2051                                                           *
 * 功放为TDA2003                                                              *
 * 设计：叶设炉                                                               *
 * 时间：2006年10月25日完成                                                    *
 *                                                                            *
 ******************************************************************************/

/* 加载头文件 */
#include <reg52.h>
#include <intrins.h>
/*定义宏变量*/
#define highfiltertime  0     //0.2S
#define highshorttime   1     //0.5S
#define highlongtime    10     //1S      

/* 定义全局变量 */
unsigned long highkeycount_A;
unsigned long highkeycount_B;
unsigned long highkeycount_C;
unsigned long highkeycount_D;

unsigned long s_count;
unsigned long s10_count;


/* 子函数声明 */

void delayNms (unsigned long partnumx);
void outkey (unsigned char partnum);
void readkey (void);
void o1 (void);
void o2 (void);
void o3 (void);
void o4 (void);
void o5 (void);
void o6 (void);
void o7 (void);
void o8 (void);

void Count_S(void);


unsigned char bdata highkeyflgshort,highkeyflglong;//input station var
sbit highkeyflgshort_A    = highkeyflgshort^0;
sbit highkeyflgshort_B    = highkeyflgshort^1;
sbit highkeyflgshort_C    = highkeyflgshort^2;
sbit highkeyflgshort_D    = highkeyflgshort^3;

sbit highkeyflglong_A     = highkeyflglong^0;
sbit highkeyflglong_B     = highkeyflglong^1;
sbit highkeyflglong_C     = highkeyflglong^2;
sbit highkeyflglong_D     = highkeyflglong^3;
sbit busy_01              = highkeyflglong^4;
sbit play_busy            = highkeyflglong^5;

/* 定义单片机管脚 */
sbit in_key_A = P3^2;
sbit in_key_B = P3^3;
sbit in_key_C = P3^4;
sbit in_key_D = P3^5;//11000011


sbit in_spk_01 = P3^7;
sbit k1 = P1^7;
sbit k2 = P1^6;
sbit k3 = P1^5;
sbit k4 = P1^4;
sbit k5 = P1^3;
sbit k6 = P1^2;
sbit k7 = P1^1;
sbit k8 = P1^0;

sbit out_led_D2 = P3^1;


/* 主程序 */
void main (void)
{
                             

	P1 = 0xFF;  // 端口初始化
	P3 = 0xFF;
    highkeyflgshort = 0;
	highkeyflglong  = 0;
                // 主程序初始化                                
    for ( ; ; )
 	{
      readkey ();
	  
	  Count_S();
	  
	  
	  if (highkeyflgshort != 0x0)//if 1
      	{
		   switch (highkeyflgshort)//highkeyflgshort//switch 1
	  	    {

	    	   case 0x01: o1();//S_A
			              break;
			   case 0x02: o2();//S_B
			              break;
			   case 0x04: o3();//S_C
			              break;
			   case 0x08: o4();//S_D
			              break;

               default:   delayNms (30);//保证时基的均匀
			              break;
	  	    }//switch 1 end

			highkeyflgshort = highkeyflgshort & 0xf0;//得到有效按键，只播放一次，故要清掉
		 }
      else
      	{   if ((highkeyflglong & 0x0f) != 0x0)//if 2 
		   {
	  			switch ((highkeyflglong & 0x0f))//highkeyflgshort
	  			{
			   		case 0x01: o5();//L_A
			              break;
			   		case 0x02: o6();//L_B
			              break;
			   		case 0x04: o7();//L_C
			              break;
			   		case 0x08: o8();//L_D
			              break;

               		default:   delayNms (30);//保证时基的均匀
					           break;
	  			}//switch 2 end
				highkeyflglong =highkeyflglong & 0xf0;//得到有效按键，只播放一次，故要清掉
			}// if 2 end
			else//未进入两个SWITCH
			delayNms (60);//保证时基的均匀		
	
		}//if 1 else is end
	
    } //for end


}//main end

/****************************************************************/
void readkey (void)          //扫描时间较确定
{

/**************************in_key_A*******************************/
   if (in_key_A)             //如果A按下
      { highkeycount_A++;}   //时间累积
   else
      { 
	   			 if(highkeycount_A>0)
			 {
			 
			 
			 if ( highkeycount_A > highlongtime )//长信号
		         
                 { highkeyflglong_A = 1;
 			       highkeyflgshort_A = 0; 
			     }
			   else
			     {		  highkeyflgshort_A = 1;
			              highkeyflglong_A = 0; 
						}
			    // }
		     }

         highkeycount_A = 0;        //计数清零
	  }
/****************************in_key_B*****************************/
   if (in_key_B)
      { highkeycount_B++;}
   else
      { 
	    
			 if(highkeycount_B>0)
			 {
			 
			 if ( highkeycount_B > highlongtime )//长信号
		         
                 { highkeyflglong_B = 1;
 			       highkeyflgshort_B = 0; 
			     }
			   else
			     { 
						  highkeyflgshort_B = 1;
			              highkeyflglong_B = 0; 
				
			     }
		      }

         highkeycount_B = 0;        //计数清零

	  }

/*************************in_key_C********************************/

   if (in_key_C)
      { highkeycount_C++;}
   else
      { 
	    
			 if(highkeycount_C>1)
			 {
			 
			 
			 if ( highkeycount_C > highlongtime )//长信号
		         
                 { highkeyflglong_C = 1;
 			       highkeyflgshort_C = 0; 
			     }
			   else
			     {
						  highkeyflgshort_C = 1;
			              highkeyflglong_C = 0; 
					//	}
			     }
		      }

         highkeycount_C = 0;        //计数清零
	  }
/***********************in_key_D**********************************/
   if (in_key_D)
      { highkeycount_D++;}
   else
      { 
			 if(highkeycount_D>1)
			 {
			 
			 
			 if ( highkeycount_D > highlongtime )//长信号
		         
                 { highkeyflglong_D = 1;
 			       highkeyflgshort_D = 0; 
			     }
			   else
			     { 
						  highkeyflgshort_D = 1;
			              highkeyflglong_D = 0; 
						}
			  
      }

         highkeycount_D = 0;        //计数清零
	  }

}
/************************************************************/
void delayNms (unsigned long partnumx)
{
    unsigned long i;
	do{
	    for (i=0;i<10;i++);          //实际测试设定
	    partnumx--;
	 } while (partnumx != 0);

}

/************************************************************/

void o1 (void)
{  
	k1=1;
	delayNms(100);
	k1=0;
}

void o2 (void)
{  
	k2=1;
	delayNms(100);
	k2=0;
}

void o3 (void)
{  
	k3=1;
	delayNms(100);
	k3=0;
}

void o4 (void)
{  
	k4=1;
	delayNms(100);
	k4=0;
}

void o5 (void)
{  
	k5=1;
	delayNms(100);
	k5=0;
}

void o6 (void)
{  
	k6=1;
	delayNms(100);
	k6=0;
}

void o7 (void)
{  
	k7=1;
	delayNms(100);
	k7=0;
}

void o8 (void)
{  
	k8=1;
	delayNms(100);
	k8=0;
}

void Count_S(void)
{  s_count++;
   if (s_count > 15)
   {	out_led_D2 =0;//1秒
        delayNms(15);
		out_led_D2 =1;//1秒
		s_count =0;

   }

}