526互联

15_蜂鸣器

发布时间 2023-11-19 13:52:19作者: 爱吃冰激凌的黄某某

蜂鸣器

介绍

image-20231115160654625

驱动电路

image-20231115160932723

ULN2003

image-20231115161007599

键盘与音符对照

image-20231115161031965

音符与频率对照

image-20231115161147712

简谱

image-20231115161051859

image-20231115161231961

独立按键触发蜂鸣器按时长发声

Buzzer.c

#include <REGX52.H>
#include "Delay.h"
#include "intrins.h"

//蜂鸣器端口
sbit BEEP=P2^5;

/**
  * @brief 蜂鸣器私有延时函数,延时500us
  * @param 无
  * @retval 无
  */
void Buzzer_Delay500us(void)	//@12.000MHz
{
	unsigned char data i;

	_nop_();
	i = 247;
	while (--i);
}

/**
  * @brief 蜂鸣器发声
  * @param ms 发声的时长
  * @retval 无
  */
void Buzzer_Time(unsigned int ms)
{	
	unsigned int i;
	for(i=0;i<ms*2;i++)
	{
		BEEP=!BEEP;
		Buzzer_Delay500us();
	}
}

Buzzer.h

#ifndef __BUZZER_H__
#define __BUZZER_H__

void Buzzer_Time(unsigned int ms);

#endif

main.c

#include <REGX52.H>
#include "Delay.h"
#include "Key.h"
#include "Nixie.h"
#include "Buzzer.h"

unsigned char KeyNum;

void main()
{
	while(1)
	{
		KeyNum=Key();
		if(KeyNum)
		{
			Buzzer_Time(100);
		}
	}
}

蜂鸣器播放小星星

Timer0.c

#include <REGX52.H>

/**
* @brief 定时器0初始化,1毫秒@12.000MHz
  * @param 无
  * @retval 无
  */
void Timer0_Init(void)
{
	TMOD &= 0xF0;			//设置定时器模式
	TMOD |= 0x01;			//设置定时器模式
	TL0 = 0x18;				//设置定时初始值
	TH0 = 0xFC;				//设置定时初始值
	TF0 = 0;				//清除TF0标志
	TR0 = 1;				//定时器0开始计时
	ET0=1;
	EA=1;
	PT0=0;
}

/* 定时器中断函数模板
void Timer0_Routine() interrupt 1
{
	static unsigned int T0Count;
	TL0 = 0x18;
	TH0 = 0xFC;
	T0Count++;
	if(T0Count>=1000)
	{
		T0Count=0;
		
	}
}
*/

Timer0.h

#ifndef __TIMER0_H__
#define __TIMER0_H__

void Timer0_Init(void);

#endif

main.c

#include <REGX52.H>
#include "Delay.h"
#include "Timer0.h"

#define SPEED 250

//蜂鸣器端口
sbit BEEP=P2^5;

unsigned int FreqTable[]={
	0,
	63628,63731,63835,63928,64021,64103,64185,64260,64331,64400,64463,64528,
	64580,64633,64684,64732,64777,64820,64860,64898,64934,64968,65000,65030,
	65058,65085,65110,65134,65157,65178,6519865217,65235,65252,65268,65283,
};
unsigned char Music[]={
	13,4,
	13,4,
	20,4,
	20,4,
	22,4,
	22,4,
	20,4+4,
	0,4,
	18,4,
	18,4,
	17,4,
	17,4,
	15,4,
	15,4,
	13,4+4,
};

unsigned char FreqSelect,MusicSelect;

void main()
{
	Timer0_Init();
	while(1)
	{
		if(MusicSelect<sizeof(Music))
		{
			FreqSelect=Music[MusicSelect++];
			Delay(SPEED/4*Music[MusicSelect++]);
			TR0=0;
			Delay(5);
			TR0=1;
		}
		else
		{
			MusicSelect=0;
		}
	}
}

void Timer0_Routine() interrupt 1
{
	if(FreqTable[FreqSelect])
	{
		TL0 = FreqTable[FreqSelect]%256;
		TH0 = FreqTable[FreqSelect]/256;
		BEEP=!BEEP;
	}
	
}

蜂鸣器播放天空之城

main.c

#include <REGX52.H>
#include "Delay.h"
#include "Timer0.h"

#define SPEED 250

#define P 	0
#define L1  1
#define L1_ 2
#define L2  3
#define L2_ 4
#define L3  5
#define L4  6
#define L4_ 7
#define L5  8
#define L5_ 9
#define L6  10
#define L6_ 11
#define L7  12
#define M1  13
#define M1_ 14
#define M2  15
#define M2_ 16
#define M3  17
#define M4  18
#define M4_ 19
#define M5  20
#define M5_ 21
#define M6  22
#define M6_ 23
#define M7  24
#define H1  25
#define H1_ 26
#define H2  27
#define H2_ 28
#define H3  29
#define H4  30
#define H4_ 31
#define H5  32
#define H5_ 33
#define H6  34
#define H6_ 35
#define H7  36

//蜂鸣器端口
sbit BEEP=P2^5;

unsigned int FreqTable[]={
	0,
	63628,63731,63835,63928,64021,64103,64185,64260,64331,64400,64463,64528,
	64580,64633,64684,64732,64777,64820,64860,64898,64934,64968,65000,65030,
	65058,65085,65110,65134,65157,65178,6519865217,65235,65252,65268,65283,
};
//乐谱
unsigned char code Music[]={
	//音符,时值,
	
	//1
	P,	4,
	P,	4,
	P,	4,
	M6,	2,
	M7,	2,
	
	H1,	4+2,
	M7,	2,
	H1,	4,
	H3,	4,
	
	M7,	4+4+4,
	M3,	2,
	M3,	2,
	
	//2
	M6,	4+2,
	M5,	2,
	M6, 4,
	H1,	4,
	
	M5,	4+4+4,
	M3,	4,
	
	M4,	4+2,
	M3,	2,
	M4,	4,
	H1,	4,
	
	//3
	M3,	4+4,
	P,	2,
	H1,	2,
	H1,	2,
	H1,	2,
	
	M7,	4+2,
	M4_,2,
	M4_,4,
	M7,	4,
	
	M7,	8,
	P,	4,
	M6,	2,
	M7,	2,
	
	//4
	H1,	4+2,
	M7,	2,
	H1,	4,
	H3,	4,
	
	M7,	4+4+4,
	M3,	2,
	M3,	2,
	
	M6,	4+2,
	M5,	2,
	M6, 4,
	H1,	4,
	
	//5
	M5,	4+4+4,
	M2,	2,
	M3,	2,
	
	M4,	4,
	H1,	2,
	M7,	2+2,
	H1,	2+4,
	
	H2,	2,
	H2,	2,
	H3,	2,
	H1,	2+4+4,
	
	//6
	H1,	2,
	M7,	2,
	M6,	2,
	M6,	2,
	M7,	4,
	M5_,4,
	
	
	M6,	4+4+4,
	H1,	2,
	H2,	2,
	
	H3,	4+2,
	H2,	2,
	H3,	4,
	H5,	4,
	
	//7
	H2,	4+4+4,
	M5,	2,
	M5,	2,
	
	H1,	4+2,
	M7,	2,
	H1,	4,
	H3,	4,
	
	H3,	4+4+4+4,
	
	//8
	M6,	2,
	M7,	2,
	H1,	4,
	M7,	4,
	H2,	2,
	H2,	2,
	
	H1,	4+2,
	M5,	2+4+4,
	
	H4,	4,
	H3,	4,
	H3,	4,
	H1,	4,
	
	//9
	H3,	4+4+4,
	H3,	4,
	
	H6,	4+4,
	H5,	4,
	H5,	4,
	
	H3,	2,
	H2,	2,
	H1,	4+4,
	P,	2,
	H1,	2,
	
	//10
	H2,	4,
	H1,	2,
	H2,	2,
	H2,	4,
	H5,	4,
	
	H3,	4+4+4,
	H3,	4,
	
	H6,	4+4,
	H5,	4+4,
	
	//11
	H3,	2,
	H2,	2,
	H1,	4+4,
	P,	2,
	H1,	2,
	
	H2,	4,
	H1,	2,
	H2,	2+4,
	M7,	4,
	
	M6,	4+4+4,
	P,	4,
	
};

unsigned char FreqSelect,MusicSelect;

void main()
{
	Timer0_Init();
	while(1)
	{
		if(MusicSelect<sizeof(Music))
		{
			FreqSelect=Music[MusicSelect++];
			Delay(SPEED/4*Music[MusicSelect++]);
			TR0=0;
			Delay(5);
			TR0=1;
		}
		else
		{
			MusicSelect=0;
		}
	}
}

void Timer0_Routine() interrupt 1
{
	if(FreqTable[FreqSelect])
	{
		TL0 = FreqTable[FreqSelect]%256;
		TH0 = FreqTable[FreqSelect]/256;
		BEEP=!BEEP;
	}
	
}