MLX90614 non-contact infrared thermometer microcontroller driver-EEWORLD

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The microcontroller source program is as follows:

#include

#include"MLX906.h"

#include"LCD1602.h"

#include"EEPROM.h"

#include"I2C.h"

#include"WT558D.h"

#include"USART.h"

sbit red =P3^3;

sbit green =P3^4;

sbit blue =P3^5;

sbit key = P3^6;

uchar tab[] ="Temp:";

int main()

{

flying i;

uint wendu; //Store the read value

uint xiaoshu,zhengshu; //Store decimals and integers

uchar ge,shi,bai,fyi,fer; //Store the first digit of the unit, ten, hundred, fraction, and the second digit of the fraction

double num;

UsartInit();

Lcd_init();

for(i=0;i<5;i++)

{

write_data(tab[i]);

}

bai = EEPROM_read_data(0);

shi = EEPROM_read_data(1);

ge = EEPROM_read_data(2);

fyi = EEPROM_read_data(3);

fer = EEPROM_read_data(4);

if(bai!=0)

{

write_data(bai+0x30);

}

write_data(shi+0x30);

write_data(ge+0x30);

write_data(0x2e);

write_data(fyi+0x30);

write_data(fer+0x30);

write_data(0xdf);

write_data('C');

write_com(0x85);

key=1;

while(1)

{

if(key==0)

{

delay(10);

if(key==0)

{

wendu=read_temp();

wendu=wendu*2;

if(wendu>=27315)

{

wendu=wendu-27315+530; //530 is for temperature compensation

zhengshu=wendu/100; //integer part

xiaoshu=wendu-zhengshu*100; //decimal part

bai = zhengshu/100;

shi = zhengshu%100/10;

ge = zhengshu%10;

fyi = xiaoshu/10;

fer = xiaoshu%10;

n = number*1.0/100;

EEPROM_write_data(0,bai);

delay(20);

EEPROM_write_data(1,shi);

delay(20);

EEPROM_write_data(2,ge);

delay(20);

EEPROM_write_data(3,fyi);

delay(20);

EEPROM_write_data(4,fer);

delay(20);

}

if(bai!=0)

{

write_data(bai+0x30);

}

write_data(shi+0x30);

write_data(ge+0x30);

write_data(0x2e);

write_data(fyi+0x30);

write_data(fer+0x30);

write_data(0xdf);

//write_data('C');

}while(!key);

write_com(0x85);

if(num<36.0)

{

blue = 0;

red = 1;

green = 1;

}

else if(num>=36.0&&num<=38.0)

{

green = 0;

red = 1;

blue = 1;

}

else if(num>38.0)

{

red = 0;

green =1;

blue = 1;

}

//Voice broadcast

send_oneline(shi*10);

WT558D_Delay1ms(500);

if(ge!=0)

{

Send_oneline(ge);

WT558D_Delay1ms(300);

}

Send_oneline(56);

WT558D_Delay1ms(300);

send_oneline(fyi);

WT558D_Delay1ms(300);

Send_oneline(fer);

WT558D_Delay1ms(600);

if(num<36.0)

{

Send_oneline(58);

}

else if(num>=36.0&&num<=38.0)

{

Send_oneline(59);

}

else if(num>38.0)

{

Send_oneline(57);

}

//Serial port interrupt

void serial() interrupt 4

{

uint wendu; //Store the read value

uint xiaoshu,zhengshu; //Store decimals and integers

uchar ge,shi,bai,fyi,fer; //Store the first digit of the unit, ten, hundred, fraction, and the second digit of the fraction

double num;

uchar start = Usart_Read();

if(start =='s')

{

wendu=read_temp();

wendu=wendu*2;

if(wendu>=27315)

{

wendu=wendu-27315+530; //530 is for temperature compensation

zhengshu=wendu/100; //integer part

xiaoshu=wendu-zhengshu*100; //decimal part

bai = zhengshu/100;

shi = zhengshu%100/10;

ge = zhengshu%10;

fyi = xiaoshu/10;

fer = xiaoshu%10;

Usart_Write(shi+0x30);

Usart_Write(ge+0x30);

Usart_Write('.');

Usart_Write(fyi+0x30);

Usart_Write(fer+0x30);

n = number*1.0/100;

EEPROM_write_data(0,bai);

delay(20);

EEPROM_write_data(1,shi);

delay(20);

EEPROM_write_data(2,ge);

delay(20);

EEPROM_write_data(3,fyi);

delay(20);

EEPROM_write_data(4,fer);

delay(20);

}

if(bai!=0)

{

write_data(bai+0x30);

}

write_data(shi+0x30);

write_data(ge+0x30);

write_data(0x2e);

write_data(fyi+0x30);

write_data(fer+0x30);

write_data(0xdf);

//write_data('C');

}while(!key);

write_com(0x85);

if(num<36.0)

{

blue = 0;

red = 1;

green = 1;

}

else if(num>=36.0&&num<=38.0)

{

green = 0;

red = 1;

blue = 1;

}

else if(num>38.0)

{

red = 0;

green =1;

blue = 1;

}

//Voice broadcast

send_oneline(shi*10);

WT558D_Delay1ms(500);

if(ge!=0)

{

Send_oneline(ge);

WT558D_Delay1ms(300);

}

Send_oneline(56);

WT558D_Delay1ms(300);

send_oneline(fyi);

WT558D_Delay1ms(300);

Send_oneline(fer);

WT558D_Delay1ms(600);

if(num<36.0)

{

Send_oneline(58);

}

else if(num>=36.0&&num<=38.0)

{

Send_oneline(59);

}

else if(num>38.0)

{

Send_oneline(57);

}

Keywords：MLX90614 Reference address：MLX90614 non-contact infrared thermometer microcontroller driver

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