具有语音播报功能的超声波测距源程序电路图

具有语音播功能的超声波测距器件清单：单片机、瓷片电容0.1uf、电解电容10uf、电解电容220uf、电解电容4.7uf、0.001uf（瓷片电容）22PF（瓷片电容）、LED小灯（5mm）、语音芯片、12864液晶、喇叭、咪头、(话筒、六脚插件（插针）、四脚插件（插针）、三脚插件（插针）、电阻1k、电位器1k、独立按键（两脚）、晶振。

代码如下：代码还需要调试

#include

#include

//超声波引脚定义

sbit RX = P1 ^ 1; //接超声波模块的Echo引脚

sbit TX = P1 ^ 2; //接超声波模块的Trig引脚。

//LCD12864引脚定义

sbit CS = P2 ^ 5; //片选 高电平有效 单片LCD使用时可固定高电平 接RS 引脚

sbit SID = P2 ^ 6; //数据 接RW引脚

sbit SCLK = P2 ^ 7; //时钟 接E引脚

//ISD1820引脚定义

sbit REC = P2 ^ 4; //

sbit PLAYE = P2 ^ 3; //

sbit PLAYL = P2 ^ 2; //

//Function Definition函数声明

void Delay(int num);

void Init_DS18B20(void);

unsigned char ReadOneChar(void);

void WriteOneChar(unsigned char dat);

unsigned int ReadTemperature(void);

void clock_out(unsigned char dd);

unsigned char clock_in(void);

unsigned char read_clock(unsigned char ord);

void write_clock(unsigned char ord, unsigned char dd);

void Disp(void);

void id_case1_key(void);

void id_case2_key(void);

void Set_time(unsigned char sel,bit sel_1);

void Timer0_Init(void);

void Init_1302(void);

void Set_Bell(unsigned char sel, bit sel_1);

void Bell(void);

//12864

void Write_char(bit STart, unsigned char ddata);

void Send_byte(unsigned char bbyte);

void Delaynms(unsigned int di);

void Lcd_init(void);

void Disp_img(unsigned char *img);

void LCD_Write_string(unsigned char X,unsigned char Y,unsigned char *s);

void LCD_set_xy( unsigned char x, unsigned char y );

unsigned char code num[]={"0123456789 :.-"};

unsigned char code waves[]={"超声波测距系统"};

unsigned char code znwk[] ={"距离："};

unsigned char code CM[] = {"M"};

unsigned int time=0;

long S=0;

bit flag =0;

unsigned char disbuff[4] ={ 0,0,0,0,};

unsigned char code logo[]={

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0xE0,0x00,0x00,0x0C,0x00,0x00,0x40,0x70,0x00,0x00,0x00,0x80,0x00,

0x00,0x00,0x00,0xE0,0x00,0x00,0x1E,0x00,0x00,0x60,0x70,0x00,0x00,0x0F,0xE0,0x00,

0x00,0x00,0x01,0xC0,0x00,0x60,0x3C,0x00,0x00,0xE0,0x60,0x00,0x1F,0xFF,0xE0,0x00,

0x00,0x00,0x03,0x80,0x00,0x70,0x70,0x40,0x00,0xE0,0x7E,0x00,0x1F,0xE0,0xC0,0x00,

0x00,0x00,0x03,0x00,0x00,0x73,0xC3,0xF0,0x01,0xC3,0xFC,0x00,0x38,0xE1,0xC0,0x00,

0x00,0x03,0xC6,0x3C,0x00,0x33,0x9F,0xF0,0x03,0x8F,0xC0,0x00,0x30,0xC1,0xC0,0x00,

0x00,0x3F,0xEF,0xFE,0x00,0x03,0x1C,0xE0,0x07,0x01,0xCC,0x00,0x31,0xF1,0x80,0x00,

0x00,0x79,0xDF,0xBC,0x00,0x06,0x18,0xC0,0x0E,0x01,0xFE,0x00,0x77,0xF9,0x80,0x00,

0x00,0x01,0xB0,0x30,0x01,0xC6,0x19,0xC0,0x1E,0x7F,0xDE,0x00,0x6F,0x83,0x80,0x00,

0x00,0x23,0xAC,0x60,0x0F,0xE6,0xF1,0x80,0x3E,0x7B,0x38,0x00,0x61,0x83,0x00,0x00,

0x00,0x37,0x0E,0x00,0x0F,0xC7,0xB7,0x80,0xEC,0x63,0x30,0x00,0xE3,0x03,0x00,0x00,

0x00,0x3E,0x0E,0x00,0x01,0x8F,0x37,0x01,0xCC,0x6F,0xF0,0x00,0xC7,0xF7,0x00,0x00,

0x00,0x1E,0x0C,0x00,0x03,0x1E,0x66,0x03,0x0C,0x7F,0x00,0x01,0xFF,0xE6,0x00,0x00,

0x00,0x1E,0x1C,0x00,0x03,0x1C,0x60,0x02,0x19,0xAC,0x00,0x01,0x96,0x06,0x00,0x00,

0x00,0x3E,0x3E,0x00,0x03,0x18,0x60,0x00,0x19,0xFC,0x00,0x03,0x86,0x0E,0x00,0x00,

0x00,0x7E,0x36,0x00,0x03,0x00,0xC0,0x00,0x38,0x78,0x00,0x03,0x06,0x0C,0x00,0x00,

0x00,0xE6,0x67,0x00,0x03,0x00,0xC0,0x00,0x30,0x78,0x00,0x06,0x0C,0x0C,0x00,0x00,

0x01,0xC6,0xC3,0x80,0x7F,0xF0,0xC0,0x00,0x30,0xFE,0x00,0x0E,0x0C,0x1C,0x00,0x00,

0x03,0x81,0x83,0xC0,0x78,0xFF,0x80,0x00,0x61,0xCF,0x80,0x1C,0x08,0x18,0x00,0x00,

0x06,0x07,0x03,0xE0,0x00,0x1F,0xFF,0xE0,0x67,0x07,0xE0,0x38,0x18,0xF8,0x00,0x00,

0x08,0x0E,0x01,0xF8,0x00,0x07,0xFF,0x80,0xCE,0x03,0xF8,0x60,0x00,0x70,0x00,0x00,

0x00,0x18,0x01,0xF8,0x00,0x01,0xFC,0x00,0xC0,0x01,0xFC,0xC0,0x00,0x70,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x06,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x07,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x06,0x00,0x00,0x00,0x0C,0xE0,0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x0E,0x00,0x00,0x00,0x3F,0xE0,0x00,0xFF,0xF0,0x00,0x38,0x00,0xE0,0x00,

0x00,0x00,0x0C,0x00,0x00,0x0F,0xFF,0x80,0x00,0xF8,0xF0,0x00,0x38,0x00,0xE0,0x00,

0x00,0x00,0x0C,0xF0,0x00,0x0F,0xC7,0x00,0x00,0x60,0xE0,0x00,0x38,0x00,0xE0,0x00,

0x00,0x00,0x1F,0xF0,0x00,0x01,0x8E,0x00,0x00,0x60,0xC0,0x00,0x70,0x01,0xC0,0x00,

0x00,0x07,0xFF,0x80,0x00,0x01,0x8C,0x00,0x00,0xE1,0x80,0x00,0x70,0x01,0xC0,0x00,

0x00,0x07,0xF8,0x00,0x00,0x01,0x98,0x00,0x00,0xDF,0xC0,0x00,0x70,0x01,0xC0,0x00,

0x00,0x00,0x78,0x00,0x00,0x01,0xBF,0xE0,0x00,0xFF,0x00,0x00,0x60,0x01,0x80,0x00,

0x00,0x00,0xFC,0x00,0x00,0x7F,0xFF,0xE0,0x00,0xC0,0x00,0x00,0xE0,0x03,0x80,0x00,

0x00,0x01,0xFE,0x00,0x00,0x7F,0xF8,0x00,0x00,0x00,0x00,0x00,0xC0,0x03,0x00,0x00,

0x00,0x03,0xB7,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x3C,0x00,0xC0,0x03,0x00,0x00,

0x00,0x07,0x67,0x00,0x00,0x60,0x00,0x00,0x03,0x9F,0xFE,0x00,0x80,0x02,0x00,0x00,

0x00,0x0E,0x63,0x80,0x00,0xE0,0x00,0x01,0xFF,0xCF,0x1E,0x01,0x80,0x06,0x00,0x00,

0x00,0x1C,0xE1,0xE0,0x00,0xC0,0x00,0x00,0xE3,0x9C,0x38,0x01,0x80,0x06,0x00,0x00,

0x00,0x38,0xC1,0xF8,0x01,0xC0,0x00,0x00,0xC3,0x18,0x30,0x00,0x00,0x00,0x00,0x00,

0x00,0xE0,0xFC,0xFE,0x03,0x80,0x00,0x01,0xC7,0x18,0x60,0x00,0x00,0x00,0x00,0x00,

0x01,0xDF,0xF8,0xFE,0x03,0x00,0x00,0x01,0x8E,0x1B,0xE0,0x07,0x00,0x1C,0x00,0x00,

0x07,0x07,0x80,0x00,0x07,0x00,0x00,0x01,0xFF,0x3F,0xE0,0x07,0x00,0x1C,0x00,0x00,

0x0C,0x03,0x80,0x00,0x0E,0x00,0x00,0x01,0xF0,0x38,0x00,0x0F,0x00,0x3C,0x00,0x00,

0x00,0x03,0x00,0x00,0x1C,0x00,0x00,0x01,0x00,0x20,0x00,0x06,0x00,0x18,0x00,0x00,

0x00,0x03,0x00,0x00,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x03,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x02,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

};

void Lcd_init(void) //初始化LCD

{

Delaynms(10); //启动等待，等LCM讲入工作状态

CS=1;

Write_char(0,0x30); //8 位介面，基本指令集

Write_char(0,0x0c); //显示打开，光标关，反白关

Write_char(0,0x01); //清屏，将DDRAM的地址计数器归零

}

void Write_char(bit start, unsigned char ddata) //写指令或数据

{

unsigned char start_data,Hdata,Ldata;

if(start==0)

start_data=0xf8; //写指令

else

start_data=0xfa; //写数据

Hdata=ddata&0xf0; //取高四位

Ldata=(ddata<<4)&0xf0; //取低四位

Send_byte(start_data); //发送起始信号

Delaynms(5); //延时是必须的

Send_byte(Hdata); //发送高四位

Delaynms(1); //延时是必须的

Send_byte(Ldata); //发送低四位

Delaynms(1); //延时是必须的

}

void Send_byte(unsigned char bbyte) //发送一个字节

{

unsigned char i;

for(i=0;i<8;i++)

{

SID=bbyte&0x80; //取出最高位

SCLK=1;

SCLK=0;

bbyte<<=1; //左移

}

}

void Delaynms(unsigned int di) //延时

{

unsigned int da,db;

for(da=0;da

for(db=0;db<10;db++);

}

void Disp_img(unsigned char *img) //图形方式12864显示字模221 横向取膜

{

unsigned char i,j;

unsigned int k = 0;

Write_char(0,0x36); //图形方式

for(i=0;i<32;i++)

{

Write_char(0,0x80+i);

Write_char(0,0x80);

for(j=0;j<16;j++)

{

Write_char(1,img[k++]);

}

}

for(i=0;i<32;i++)

{

Write_char(0,0x80+i);

Write_char(0,0x88);

for(j=0;j<16;j++)

{

Write_char(1,img[k++]);

}

}

}

void Clr_Scr(void)//清屏函数

{

Write_char(0,0x01);

}

void LCD_set_xy( unsigned char x, unsigned char y )

{ //设置LCD显示的起始位置，X为行，Y为列

unsigned char address;

switch(x)

{

case 0: address = 0x80 + y; break;

case 1: address = 0x80 + y; break;

case 2: address = 0x90 + y; break;

case 3: address = 0x88 + y; break;

case 4: address = 0x98 + y; break;

default:address = 0x80 + y; break;

}

Write_char(0, address);

}

void LCD_Write_string(unsigned char X,unsigned char Y,unsigned char *s)

{ // 中英文字符串显示函数

LCD_set_xy( X, Y );

while (*s)

{

Write_char( 1, *s );

s ++;

Delaynms(1);

}

}

void LCD_Write_number(unsigned char s)// 数字显示函数

{

Write_char(1,num[s]);

Delaynms(1);

}

void Lcd_Mark2(void)

{

Clr_Scr();//清屏

LCD_Write_string(1,0,znwk);//

LCD_Write_string(2,0,waves);//

LCD_Write_string(3,7,CM);//

}

void Conut(void) //计算距离，如果更改精度可在此修改

{

time=TH0*256+TL0;

TH0=0;

TL0=0;

S=time*1.87/100; //算出来是CM 11。0592M晶振 须修改

if(S>200) //这里需要调试

{

PLAYE=1;

Delaynms(1);

PLAYE=0;

}

if(flag==1) //超出测量

{

flag=0;

LCD_set_xy( 3, 4 );

LCD_Write_number(13);

LCD_Write_number(12);

LCD_set_xy( 3, 5 );

LCD_Write_number(13);

LCD_Write_number(13);

}

else

{

disbuff[1]=S00/100;

disbuff[2]=S000/10;

disbuff[3]=S00 ;

LCD_set_xy( 3, 4 );

LCD_Write_number(disbuff[1]);

LCD_Write_number(12);

LCD_set_xy( 3, 5 );

LCD_Write_number(disbuff[2]);

LCD_Write_number(disbuff[3]);

}

}

void delayms(unsigned int ms)

{

unsigned char i=100,j;

for(;ms;ms--)

{

while(--i)

{

j=10;

while(--j);

}

}

}

void zd0() interrupt 1 //T0中断用来计数器溢出,超过测距范围

{

flag=1; //中断溢出标志

}

void StartModule() //T1中断用来扫描数码管和计800MS启动模块

{

TX=1; //800MS 启动一次模块

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

_nop_();

TX=0;

}

void main(void)

{

TMOD=0x01; //设T0为方式1，GATE=1

TH0=0;

TL0=0;

TR0=1;

Lcd_init(); //设置液晶显示器

Clr_Scr(); //清屏

Disp_img(logo); //显示欢迎使用本产品LOGO

Delaynms(1000);

Lcd_init(); //从图形显示状态下返回

Lcd_Mark2();

REC=0; //录音先录好 如果不能先录好这里就有可能不能用

PLAYE=0; //上升沿触发

PLAYL=0; //高电平触发

while(1)

{

StartModule();

//计算

while(!RX); //当RX为零时等待

TR0=1; //开启计数

while(RX); //当RX为1计数并等待

TR0=0; //关闭计数

Conut();

delayms(80); //80MS

}

}