my_sound.c

一个具体的项目程序

#include  "My_head.h"
/*************************************/
#define  BUZZER   P1_0
#define  PLAY     P2_6
#define  PD       P2_7
//======================================
BYTE  code  sound_addr[SOUND_MAX_INDEX+1]=
{
 WELCOME_ADDR,      //0--WELCOME_INDEX
 DEL_CONRECORD_ADDR,//1
 DEL_ALL_ADDR,      //2
 CARD_ERR_ADDR,     //3
 CARD_WRITEERR_ADDR,//4
 CARD_READERR_ADDR, //5
 CARD_VALERR_ADDR,  //6
 KEY_VALERR_ADDR,   //7
 0xff//for test.
};


BYTE  code  err_sound_index[][2]=
{
 {CARD_ERR_CODE,CARD_ERR_INDEX},
 {CARD_WRITEERR_CODE,CARD_WRITEERR_INDEX},
 {CARD_READERR_CODE,CARD_READERR_INDEX},
 {CARD_VALERR_CODE,CARD_VALERR_INDEX},
 {KEY_VALERR_CODE,KEY_VALERR_INDEX},
 {0,0}//注意:错误代码一定要在(1--250)之间。
};


void  Sound_Err(BYTE errcod)
{
  BYTE  ii;
  for(ii=0;err_sound_index[ii][0];ii++)
    if(err_sound_index[ii][0]==errcod)
      {
	   Sound_Play(err_sound_index[ii][1]);
       //SendStr(&err_sound_index[ii][1],1);
	   break;
	  }
  //SendStr(&errcod,1);
  //SendStr(&ii,1);
  return;
}


bit   Sound_Play(BYTE index)
{
  if(index>SOUND_MAX_INDEX)return(FALSE);
  P0 = sound_addr[index];

  PD = 1;delay_ms(10);
  PD = 0;delay_ms(10);

  PLAY = 0;delay_ms(10);
  PLAY = 1;

  //SendStr(&sound_addr[index],1);
  return(TRUE);
}


void  Init_Sound(void)
{
  BUZZER  =  1;

  PLAY = 1;
  PD = 1;delay_ms(10);PD = 0;
}


void  do_buzzer(BYTE  count)
{
  while(count--)
  {
   BUZZER = 0;
   delay_ms(50);
   BUZZER = 1;
   if(!count)break;
   delay_ms(50);
  }
}


void  My_Do_Buzzer(BYTE time,BYTE  count)
{
  while(count--)
  {
   BUZZER = 0;
   delay_ms(time);
   BUZZER = 1;
   if(!count)break;
   delay_ms(time);
  }
}