8/2/2019 Program to Detect the Object Using IR Sensor(1)

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Program to detect the object using IR sensor

#include

#include

xdata char *sel174;

xdata char *lcdsel; //pointer declaration

xdata char *sensor;

unsigned char array[12] ={"NOT DETECTED"};

unsigned char array1[8] = {"DETECTED"};

unsigned char i;

void delay() // Delay declaration/

{int i,j;

for(i=0;i

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void main()

{

int s;

sel174 = 0xffc3; /* Address alloted to give Command to the LCD */

lcdsel = 0xffc4; /* Address alloted to give data to the LCD */

sensor=0xffc5; /* Address alloted to the Sensor */

while(1)

{

s=*sensor;

s = ((s&0x20)>>0x05);

cmd_check();*lcdsel = 0x38; /* To select both lines of the LCD */

cmd_check();

*lcdsel = 0x06; /* Entry mode */

cmd_check();

*lcdsel = 0x01; /* Clear Display */

cmd_check();

*lcdsel = 0x0c; /* Display ON Cursor OFF */

cmd_check();

*lcdsel = 0x80; /* Starting address of top row of LCD*/

if(s==0)

{

for (i=0;i

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{

data_check();

*lcdsel = array1[i];

delay1(); //Long delay

}

}

}

}

Program to detect the object using IR sensor and count it

#include

#include

xdata char *sel174; //pointer declaration

xdata char *lcdsel;

xdata char *sensor;

unsigned char array[14] ={"N0.OF PERSONS:"};

unsigned char i;

void delay() /* Short Delay */

{

int i,j;

for(i=0;i

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delay();

*sel174 = 0x00;

}

void data_check() /* Indicating Data to the LCD */

{

delay();

*sel174 = 0x01;

}

void main()

{int s,count=0,temp=0,t1,t2;

sel174 = 0xffc3; /* Address alloted to give Command to the LCD */

lcdsel = 0xffc4; /* Address alloted to give data to the LCD */

sensor=0xffc5; /* Address alloted to the Sensor */

cmd_check();

*lcdsel = 0x38; /* To select both lines of the LCD */

cmd_check();

*lcdsel = 0x06; /* Entry mode */cmd_check();

*lcdsel = 0x01; /* Clear Display */

cmd_check();

*lcdsel = 0x0c; /* Display ON Cursor OFF */

cmd_check();

*lcdsel = 0x80; /* Starting address of top row of LCD*/

for (i=0;i

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s=*sensor;

s = ((s&0x20)>>0x05); /* To select the 6th bit and moving to lsb */

if(s^temp==0x01 && s==1) /* To detect the 1 0 transition of sensor register*/

{

delay1();

count=count+1;

}

temp=s;

t1=count/10;

t2=count%10;

cmd_check();

*lcdsel=0x8E; //specifying address locationdata_check();

*lcdsel=t1+48; // 48- to convert to ASCII

data_check();

*lcdsel=t2+48;

delay1();

}

}