基于51单片机脉搏体温检测

目录

一、项目功能

二、仿真

​三、程序

资料下载地址：基于51单片机脉搏体温设计  

一、项目功能

1、通过MPX4115模拟测量脉搏

2、通过DS18B20测量体温

3、按键设置报警阈值，超限报警

二、仿真

温度显示界面

脉搏测量界面

三、程序

main.c代码

void main()	  //主函数
{SCON_init();InitLcd();while(1)			  //进入循环{counts ++;sprintf(mStrBloodPressure,"%.1f    1\r\n",mBloodPressure);KEY_SCAN();getdata=Adc0832(0);	mBloodPressure = (getdata * 10 / 2 - 50) / 10;	if(counts >= 4){counts = 5;send(mStrBloodPressure,1);delay5ms();delay5ms();delay5ms();delay5ms();send(mStrBloodPressure+1,1);delay5ms();delay5ms();delay5ms();delay5ms();send(mStrBloodPressure+2,1);delay5ms();delay5ms();delay5ms();delay5ms();send(mStrBloodPressure+3,1);delay5ms();delay5ms();delay5ms();delay5ms();//send((char *)mStrBloodPressure,11);}temp=getdata/2-5;if( temp >  Xintiao_H ){speaker = 0;}else{speaker = 1;}temp = 0;if( KEY_Set_TIMES == 0 ){if( KEY_TIMES == 1 )//血压显示{getdata=Adc0832(0);if(14<getdata<243)			               //当压力值介于15kpa到115kpa之间时，遵循线性变换{			    
//			  	int vary=getdata;						//y=(115-15)/(243-13)*X+15kpa			temp=getdata*10/2-50;			//测试时补偿值为9.3		//  mBloodPressure = temp;				
//				temp=(int)(press*10);	          //放大10倍，便于后面的计算if(temp != ppress){ppress = temp;OverFlg = 1;}    											dispbuf[3]=temp/1000;			     	//取压力值百位dispbuf[2]=(temp%1000)/100;		    	//取压力值十位dispbuf[1]=((temp%1000)%100)/10;	    	//取压力值个位dispbuf[0]=((temp%1000)%100)%10;			//取压力值十分位LCD_WriteCom( 0x80 );LCD1602_Write_char( "blood pressure 1" );LCD_WriteCom( 0x80 + 0x40 );LCD1602_Write_char("   Rate:");LCD_WriteData( 0x30 + dispbuf[3] );LCD_WriteData( 0x30 + dispbuf[2] );LCD_WriteData( 0x30 + dispbuf[1] );LCD_WriteData( '.' );LCD_WriteData( 0x30 + dispbuf[0] );}}if( KEY_TIMES == 0 ){lcd_1602_word(0x80,16,"  temperature  ");	  //初始化显示 wendu=ReadTemperature();lcd_1602_word(0xc0,10," Temp:    ");//显示第二行数据LCD_WriteCom(0x80+0x40+10);LCD_WriteData(wendu/100+0x30);LCD_WriteData(wendu%100/10+0x30);LCD_WriteData('.');LCD_WriteData(wendu%100%10+0x30);LCD_WriteData(0xdf);LCD_WriteData('C');}}else{KEY_Set_Rate();dispbuf[3]=Xintiao_H/100;			     	    //取设置压力值百位dispbuf[2]=Xintiao_H%100/10;		    	    //取设置压力值十位dispbuf[1]=Xintiao_H%10;	    				//取设置压力值个位LCD_WriteCom( 0x80  );LCD1602_Write_char( " Set heart rate " );LCD_WriteCom( 0x80 + 0x40 );LCD1602_Write_char("warning:");LCD_WriteData( 0x30 + dispbuf[3] );LCD_WriteData( 0x30 + dispbuf[2] );LCD_WriteData( 0x30 + dispbuf[1] );}}
}/**Adress_Com显示地址，Num_Adat显示字符数量，Adress_Data显示字符串内容**/ 
void lcd_1602_word(uchar Adress_Com,uchar Num_Adat,uchar *Adress_Data)
{uchar a=0;uchar Data_Word;LCD_WriteCom(Adress_Com); //选中地址for(a=0;a<Num_Adat;a++)   //for循环决定显示字符个数{Data_Word=*Adress_Data;	  //读取字符串数据LCD_WriteData(Data_Word);  //显示字符串Adress_Data++;			  //显示地址加一}
}