buzzer.c

来自「freescale s12系列单片机驱动集。作者自己编写」· C语言 代码 · 共 20 行

#include <hidef.h>      /* common defines and macros */
#include <mc9s12dt256.h>     /* derivative information */
#include "MC9S12.h"
#include "Buzzer.h"



void Buzzer(unsigned int B_Num, unsigned int B_Long,unsigned int B_Tone){
  unsigned int k, j, i;
  for(k = 0; k < B_Num; k ++){
    for(j = 0; j < B_Long; j ++){    
      for(i = 0; i < B_Tone ; i ++);
      PTT_PTT0 = 1;
      for(i = 0; i < B_Tone ; i ++);
      PTT_PTT0 = 0;
     
    }
    for(i = 0; i < 65000 ; i ++);
  }
}