problem in code .........of led interfacing

syedzainnasir

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problem in code .........of led interfacing

Question: 07-Mar-2017

In: 8051 Microcontroller Projects

[code]#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");
}
}
}
 [/code]

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