i try to compile the program using keil uvision4,but these error occurs
.
7.c.c(3): warning C318: can’t open file ‘my.h’
7.c.c(18): warning C206: ‘delay’: missing function-prototype
7.c.c(18): error C267: ‘delay’: requires ANSI-style prototype
Target not created
what is its mean????
but my program to show “A” character
is there is any mictake plz tell meee…..
#include<reg51.h>
sfr lcd_data_pin=0xA0;
sbit rs=P3^0; //Register select pin
sbit rw=P3^1; // Read write pin
sbit en=P3^6; //Enable pin
void delay(unsigned int count) // Function to provide time delay in msec.
{
int i,j;
for(i=0;i<count;i++)
for(j=0;j<1275;j++);
}
void lcd_command(unsigned char comm) //Function to send commands 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 to LCD
{
lcd_data_pin=disp;
en=1;
rs=1;
rw=0;
delay(1);
en=0;
}
void lcd_ini() //Function to initialize the LCD
{
lcd_command(0x38);
delay(2);
lcd_command(0x0F);
delay(2);
lcd_command(0x82); //Set cursor to blink at line 1 positon 2
delay(2);
}
void character()
{
lcd_command(64); //Address where values of the first custom character is stored
lcd_data(0);
lcd_data(10);
lcd_data(21);
lcd_data(17);
lcd_data(10);
lcd_data(4);
lcd_data(0);
lcd_data(0);
lcd_command(0xC0); //Address of the location where the character is to be displayed
lcd_data(0); // Displaying the character created at address 0x64
delay(10);
lcd_command(72);
lcd_data(0);
lcd_data(0);
lcd_data(0);
lcd_data(10);
lcd_data(0);
lcd_data(4);
lcd_data(17);
lcd_data(14);
lcd_command(0x80);
lcd_data(1);
delay(10);
lcd_command(80);
lcd_data(0);
lcd_data(0);
lcd_data(10);
lcd_data(0);
lcd_data(4);
lcd_data(0);
lcd_data(14);
lcd_data(17);
lcd_command(0x82);
lcd_data(2);
delay(10);
lcd_command(88);
lcd_data(1);
lcd_data(3);
lcd_data(5);
lcd_data(9);
lcd_data(9);
lcd_data(11);
lcd_data(27);
lcd_data(24);
lcd_command(0x84);
lcd_data(3);
delay(10);
lcd_command(96);
lcd_data(0);
lcd_data(10);
lcd_data(0);
lcd_data(31);
lcd_data(17);
lcd_data(14);
lcd_data(0);
lcd_data(0);
lcd_command(0x86);
lcd_data(4);
delay(10);
lcd_command(104);
lcd_data(10);
lcd_data(0);
lcd_data(4);
lcd_data(0);
lcd_data(14);
lcd_data(17);
lcd_data(17);
lcd_data(14);
lcd_command(0xC2);
lcd_data(5);
delay(10);
lcd_command(112);
lcd_data(0);
lcd_data(10);
lcd_data(0);
lcd_data(0);
lcd_data(4);
lcd_data(0);
lcd_data(31);
lcd_data(0);
lcd_command(0xC4);
lcd_data(6);
delay(10);
lcd_command(120);
lcd_data(0);
lcd_data(17);
lcd_data(10);
lcd_data(17);
lcd_data(4);
lcd_data(0);
lcd_data(14);
lcd_data(17);
lcd_command(0xC6);
lcd_data(7);
delay(10);
}
void main()
{
lcd_ini();
character();
}