problem in code ………of led interfacing

[tarun]

 

#include<reg51.h>

void lcd_command(unsigned char comm);

void lcd_data(unsigned char disp);

lcd_dataa(unsigned char *disp);

sbit sensor1=P1^0;

sbit sensor2=P1^1;

sbit sensor3=P1^2;

sbit sensor4=P1^3;

sbit sensor5=P1^4;

sfr lcd_data_pin=0xA0;  // data port P2

sbit rs=P3^0; // Register select pin

sbit rw=P3^1; // Read write pin

sbit en=P3^6; // Enable pin

void delay(unsigned int msec)    //delay function

{

int i,j;

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

for(j=0;j<1275;j++);

}

void lcd_command(unsigned char comm) // function to send command to LCD

{

lcd_data_pin=comm;

en=1;

rs=0;

rw=0;

delay(1);

en=0;

}

void lcd_data(unsigned char disp)    // function to send data on LCD

{

lcd_data_pin=disp;

en=1;

rs=1;

rw=0;

delay(1);

en=0;

}

 

lcd_dataa(unsigned char *disp)    // function to send string to LCD

{

int x;

for(x=0;disp[x]!=0;x++)

{

lcd_data(disp[x]);

}

}

void lcd_ini()     //Function to inisialize the LCD

{

lcd_command(0x38);   

delay(5);

lcd_command(0x0F);       

delay(5);

lcd_command(0x80);

delay(5);

}

void main()

{

P3=0x00;

while(1)

{

if(sensor5==0x01)

{

void lcd_command(unsigned char comm);

void lcd_data(unsigned char disp);

lcd_dataa(unsigned char *disp); 

lcd_ini();

lcd_dataa(“ECE Rocks”);

}

else if(sensor1==0x01)

{

void lcd_command(unsigned char comm);

void lcd_data(unsigned char disp);

lcd_dataa(unsigned char *disp); 

lcd_ini();

lcd_dataa(“move b”);

}

else if(sensor2==0x01)

{

void lcd_command(unsigned char comm);

void lcd_data(unsigned char disp);

lcd_dataa(unsigned char *disp); 

lcd_ini();

 

lcd_dataa(“move f”);

}

else if(sensor3==0x01)

{

void lcd_command(unsigned char comm);

void lcd_data(unsigned char disp);

lcd_dataa(unsigned char *disp); 

lcd_ini();

 

lcd_dataa(” move l”);

}

else if(sensor4==0x01)

{

void lcd_command(unsigned char comm);

void lcd_data(unsigned char disp);

lcd_dataa(unsigned char *disp);

lcd_ini();

lcd_dataa(“move r”);

}

}

}

 

[Hari Prasaath K]

Explain the doubt in detail, where do exactly face the probelm..showing any error in code.? else try with the simulation if it works check with the LED connections.

[Author]

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