interfacing of LCD with 8051.

C code for display WELCOME TO ALL in 1st line on lcd:-

#include<reg51.h>

sbit rs=P3^0;

sbit rw=P3^1;

sbit en=P3^2;

unsigned char arr1[]={0x0e,0x01,0x06,0x80,0x38};

unsigned char arr2[]={"Welcome To All"};

void command();

void display();

int j,k,l,m,n;

void delay()

{        



       int x,y;

    for(x=0;x<=100;x++)

{

    for(y=0;y<=1275;y++);

}

}


void main()

{

while(1)

{

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

{

P1=arr1[j];

command();

}

for(k=0;k<15;k++)

{



P1=arr2[k];

display();

}

  }

  }

void command()

{

rs=0;

rw=0;

en=1;

delay();

en=0;

}

void display()

{

rs=1;

rw=0;

en=1;

delay();

en=0;

}

Simulation in proteus:-

 

                

C code for display Welcome to all in 1st line and God bless you in 2nd line on lcd

              

  #include<reg51.h>

sbit rs=P3^0;

sbit rw=P3^1;

sbit en=P3^2;

unsigned char arr1[]={0x0e,0x01,0x06,0x80,0x38};

unsigned char arr2[]={"Welcome To All"};

unsigned char arr3[]={"God Bless You "};

void command();

void display();

int j,k,l,m,n;



void delay()

{          int x,y;

for(x=0;x<=100;x++)

{

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

}

}


void main()

{

while(1)

{

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

{

P1=arr1[j];

command();

}

for(k=0;k<15;k++)

{


P1=arr2[k];

display();

}


P1=0xc0;

  command();

for(k=0;k<15;k++)

{


P1=arr3[k];

display();

}


  }

  }

void command()

{

rs=0;

rw=0;

en=1;

delay();

en=0;

}

void display()

{

rs=1;

rw=0;

en=1;

delay();

en=0;

}

 Simulation in proteus:-

 

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