# include & ltintrins.h & gt
# include & ltstdio.h & gt
# Define uchar unsigned characters
# define first _ add r0// Defines the display starting position of characters/Chinese characters.
sbit lcd_rs=p2^2；
sbit lcd_rw=p2^3；
sbit lcd_e=p2^4；
sbit pcb=p2^5；
uchar i，j；
Invalid delay (ms)
{
When (ms)
{
for(j = 0； j & lt 120; j++)；
}
}
Bit lcd_busy ()
{bit result;
LCD _ RS = 0；
LCD _ RW = 1；
LCD _ E = 1；
Result = (bit) (P0 & amp0x80);
LCD _ E = 0；
Return the result;
}
Invalid lcd_wcmd(uchar cmd)
{
while(LCD _ busy())；
LCD _ RS = 0；
LCD _ RW = 0；
P0 = cmd
LCD _ E = 1；
LCD _ E = 0；
}
void lcd_wdata(uchar dat)
{
while(LCD _ busy())；
LCD _ RS = 1；
LCD _ RW = 0；
P0 = dat
LCD _ E = 1；
LCD _ E = 0；
}
void lcd_initial()
{
LCD _ wcmd(0x 30)；
Delay (1);
LCD _ wcmd(0x0C)； //Turn on the monitor and turn off the cursor without blinking.
Delay (1);
LCD _ wcmd(0x 06)； //Specifies the direction in which the cursor moves when writing or reading data.
Delay (1);
LCD _ wcmd(0x 0 1)；
Delay (10); //The delay here is longer, otherwise it will affect the later operation.
}
/*-command to clear the screen */
void Clr_Screen()
{
//Considering the appearance of 0x34.
LCD _ wcmd(0x 0 1)；
Delay (100);
}
Void _ FU(uchar code *s)
{
while(*s！ =0)
{ LCD _ wdata(* s)；
s++；
Delay (10);
}
}
Sense of emptiness 1 ()
{
LCD _ wcmd(0x 30)；
Delay (300);
LCD _ wcmd(0x 80+first _ Addr)；
zi _ FU(" 2065 438+03 03 26 ")；
Delay (300);
LCD _ wcmd(0x 90+first _ Addr)；
Zi_FU ("Electrical 08-17");
Delay (300);
LCD _ wcmd(0x 88+first _ Addr)；
Sub _ operator ("nerdy");
Delay (300);
LCD _ wcmd(0x 98+first _ Addr)；
Delay (500);
zi _ FU(" 2065 438+02 . 5 . 30 ")；
}
void main()
{
PCB = 1；
while( 1)
{
LCD _ initial()；
Delay (1000);
clr _ Screen()；
Feeling1();
Delay (3000);
for(I = 8； I>0; I-)
{
LCD _ wcmd(0x 18)； //Switch one or two lines to three or four lines, and the LCD is divided into two and a half screens.
Delay (1000);
}
clr _ Screen()；
Feeling1();
LCD _ wcmd(0x 34)；
LCD _ wcmd(0x 04)；
Delay (3000);
LCD _ wcmd(0x 04)； //Return to normal
Delay (3000);
LCD _ wcmd(0x 34)；
LCD _ wcmd(0x 03)； //Allows you to enter a scrolling address.
for(I = 0x 40； I & lt0x7fi++)
{
Lcd_wcmd (1); //Scroll the contents of the screen vertically.
Delay (600); //Increase the screen delay
}
}
}