here is program of lcd

[amjadhussain]

here is program of lcd interfacing with 89c51,,,,,,

//Program to test LCD. Display single character "A"



#include<reg51.h>

#define cmdport P3

#define dataport P2

#define q 100

sbit rs = cmdport^0;  //register select pin

sbit rw = cmdport^1;  // read write pin

sbit e = cmdport^6;  //enable pin



void delay(unsigned int msec)  // Function to provide time delay in msec.

{

int i,j ;

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

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

}



void lcdcmd(unsigned char item)  //Function to send command to LCD

{

dataport = item;

rs= 0;

rw=0;

e=1;

delay(1);

e=0;

}



void lcddata(unsigned char item)  //Function to send data to LCD

{

dataport = item;

rs= 1;

rw=0;

e=1;

delay(1);

e=0;

}



void main()

{

lcdcmd(0x38);  // for using 8-bit 2 row mode of LCD

delay(100);

lcdcmd(0x0E);  // turn display ON for cursor blinking

delay(100);

lcdcmd(0x01);  //clear screen

delay(100);

lcdcmd(0x06);  //display ON

delay(100);

lcdcmd(0x86);  // bring cursor to position 6 of line 1

delay(100);

lcddata('A');

}

i picked the programme from here it is also not working and showing syntax error in last 4 to five lines,,,

 

 

what is problem with it please check it and send me the corrected programme at  

 

[email protected]

 

 

best regards