yinyue40.c

汽车彩铃程序

/******************************************************************************
                                                                              *
 * pm5050语音遥控输出程序                                                     *
 * 单片机 AT89C2051                                                           *
 * 功放为TDA2003                                                              *
 * 设计：叶设炉                                                               *
 * 时间：2006年9月24日完成                                                    *
 *                                                                            *
 ******************************************************************************/

/* 加载头文件 */
#include <reg52.h>
#include <intrins.h>
/*定义宏变量*/
#define highfiltertime  1     //0.2S
#define highshorttime   1     //0.5S
#define highlongtime    5     //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 outspk_ctr (unsigned char partnum);
void readkey (void);
void Count_S(void);

/* STC89C52RC内部EEPROM:END */

/******************************************************************************
 *                               定义全局变量                                 *
 *                                                                            *
 * 空间名称          地址范围                    说明                         *
 * DATA              D:00H-D:7FH                 片内RAM直接寻址区            *
 * BDATA             D:20H-D:2FH                 片内RAM位寻址区              *
 * IDATA             I:00H-I:FFH                 片内RAM间接寻址区            *
 * XDATA             X:0000H-X:FFFFH             64KB常规片外RAM数据区        *
 * CODE              C:0000H-C:FFFFH             64KB常规片外ROM代码区        *
 ******************************************************************************/

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;

sbit res = P1^3;
sbit in_spk_01 = P3^7;
sbit out_spk_k1 = P1^7;
sbit out_spk_k2 = P1^6;

//sbit out_power_12v = P1^4;
//sbit out_led_D1 = P3^7;
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 ();
	  
	  
	 //if((in_key_A&&in_key_B&&in_key_C&&in_key_D)==1)out_power_12v = 0;//开工 
	  
	  //if((play_busy==0)&&(in_spk_01==0)) out_power_12v = 1 ,play_busy=0;//关工放
	  //if (play_busy==0) out_power_12v = 1 ;
	 // else out_power_12v = 0 ;


	  //if (play_busy==0 ?) out_power_12v = 1;out_power_12v = 0;
	  Count_S();
	  
	  
	  if (highkeyflgshort != 0x0)//if 1
      	{
		   switch (highkeyflgshort)//highkeyflgshort//switch 1
	  	    {

	    	   case 0x01: outspk_ctr(0x00);//S_A
			              break;
			   case 0x02: outspk_ctr(0x01);//S_B
			              break;
			   case 0x04: outspk_ctr(0x02);//S_C
			              break;
			   case 0x08: outspk_ctr(0x03);//S_D
			              break;

               default:   delayNms (100);//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
	  			{//switch 2
               
			   		case 0x03: outspk_ctr(0x04);//L_A+B
			              break;
			   		case 0x0c: outspk_ctr(0x05);//L_C+D
			              break;
			   		case 0x01: outspk_ctr(0x06);//L_A
			              break;
			   		case 0x02: outspk_ctr(0x07);//L_B
			              break;
			   		case 0x04: outspk_ctr(0x08);//L_C
			              break;
			   		case 0x08: outspk_ctr(0x09);//L_D
			              break;

               		default:   delayNms (100);//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 (100);//保证时基的均匀
		 //if (in_spk_01== 0) out_power_12v = 1;
			
	
		}//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)
      { highkeycount_A++;}
   else
      { /*
	    if ( highkeycount_A < highfiltertime )    //无效输入
	       
			 {
			  highkeyflglong_A = 0;  
 			  highkeyflgshort_A = 0; 
			 }
		else
		     { */
			 if(highkeycount_A>0)
			 {
			 
			 
			 if ( highkeycount_A > highlongtime )//长信号
		         
                 { highkeyflglong_A = 1;
 			       highkeyflgshort_A = 0; 
			     }
			   else
			     { /*if ( (highkeycount_A < highshorttime) && (highkeycount_A > highfiltertime)) //短信号
				        {*/
						  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 < highfiltertime )    //无效输入
	       
			 {
			  highkeyflglong_B = 0;  
 			  highkeyflgshort_B = 0; 
			 }
		else
		     { 
			 */
			 if(highkeycount_B>0)
			 {
			 
			 if ( highkeycount_B > highlongtime )//长信号
		         
                 { highkeyflglong_B = 1;
 			       highkeyflgshort_B = 0; 
			     }
			   else
			     { /*if ( (highkeycount_B < highshorttime) && (highkeycount_B > highfiltertime)) //短信号
				        {*/
						  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 < highfiltertime )    //无效输入
	       
			 {
			  highkeyflglong_C = 0;  
 			  highkeyflgshort_C = 0; 
			 }
		else
		     { */
			 if(highkeycount_C>0)
			 {
			 
			 
			 if ( highkeycount_C > highlongtime )//长信号
		         
                 { highkeyflglong_C = 1;
 			       highkeyflgshort_C = 0; 
			     }
			   else
			     {/*if ( (highkeycount_C < highshorttime) && (highkeycount_C > highfiltertime)) //短信号
				        {*/
						  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 < highfiltertime )    //无效输入
	       
			 {
			  highkeyflglong_D = 0;  
 			  highkeyflgshort_D = 0; 
			 }
		else
		     { */
			 if(highkeycount_D>0)
			 {
			 
			 
			 if ( highkeycount_D > highlongtime )//长信号
		         
                 { highkeyflglong_D = 1;
 			       highkeyflgshort_D = 0; 
			     }
			   else
			     { /*if ( (highkeycount_D < highshorttime) && (highkeycount_D > highfiltertime)) //短信号
				        {*/
						  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 outspk_ctr (unsigned char partnum)//占用较长时间
{
	
    unsigned char scount = 0;
	unsigned long wcount = 0;
	//out_power_12v = 0;//开工放
	delayNms(800);
	
	partnum = partnum|0x80;
	//out_power_12v = 0;//开工放
	//delayNms(20);
    out_spk_k1 = 0;
	delayNms(70);                     //60ms
	out_spk_k1 = 1;
	out_spk_k1 = 0;
	out_spk_k1 = 1;

	for (scount = 0;scount<8;scount++)//160ms
	{

	delayNms(10);
	out_spk_k2 = 0;

	if ((partnum&0x01) == 0x01)
	out_spk_k1 = 1;
	else
	out_spk_k1 = 0;
	partnum=partnum>>1;
	delayNms(5);
	out_spk_k2 = 1;
	
	//if (in_spk_01== 0) out_power_12v =1;
	//if((out_spk_k2||in_spk_01)== 1) out_power_12v =1;

    }

	delayNms(5);
   // out_spk_k2 = 0
	//out_led_D1 =0;//方音开始
    //play_busy = 1;
	//delayNms(10);//开10秒计时
    //等待播放
	
	/*do
	{ //*wcount++;
	  delayNms(1);/*
	}while((in_spk_01==1)||(wcount>60000)));//时间有多长会影响系统时钟？
    if (wcount>60000) 
	busy_01 = 1;
	else
	busy_01 = 0;
	//播放时间10S*/
    //out_power_12v = 1;//关工放
	

}
/**********************************************************/
void Count_S(void)
{  s_count++;
   if (s_count > 6)
   {	out_led_D2 =0;//1秒
        delayNms(5);
		out_led_D2 =1;//1秒
		s_count =0;
		/*if (play_busy)
		{
    		s10_count++;
			if (s10_count>10)
        	{	out_power_12v = 1;//关工放
            	s10_count = 0;
				play_busy = 0;//关10秒计时
				out_led_D1 =1;//方音结束
       
			}
		}*/
   }

}