www.pudn.com > lcd.rar > lesson9.c

#include 
#define uchar unsigned char 
#define uint unsigned int 
sbit rs=P3^5; 
sbit lcden=P3^4; 
sbit dula=P2^6; 
sbit wela=P2^7; 
uchar table1[]="TX-1B MCU"; 
uchar table2[]="WWW.TXMCU.COM"; 
void delay(uint x) 
{ 
	uint a,b; 
	for(a=x;a>0;a--) 
		for(b=10;b>0;b--);  
} 
 
void delay1(uint x) 
{ 
	uint a,b; 
	for(a=x;a>0;a--) 
		for(b=100;b>0;b--);  
} 
 
void write_com(uchar com) 
{ 
	P0=com; 
	rs=0; 
	lcden=0; 
	delay(10); 
	lcden=1; 
	delay(10); 
	lcden=0; 
	 
} 
 
void write_date(uchar date) 
{ 
	P0=date; 
	rs=1; 
	lcden=0; 
	delay(10); 
	lcden=1; 
	delay(10); 
	lcden=0; 
	 
} 
 
void init() 
{ 
	dula=0; 
	wela=0; 
	write_com(0x38); 
	delay(20); 
	write_com(0x0f); 
	delay(20); 
	write_com(0x06); 
	delay(20); 
	write_com(0x01); 
	delay(20);	 
} 
 
void main() 
{ 
	uchar a; 
	init(); 
 
	write_com(0x80+17); 
	delay(20); 
	for(a=0;a<9;a++) 
	{ 
	write_date(table1[a]); 
	delay(20);		 
	} 
 
	write_com(0xc0+17); 
	delay(50); 
	for(a=0;a<13;a++) 
	{ 
	write_date(table2[a]); 
	delay(40);		 
	} 
 
	for(a=0;a<16;a++) 
	{ 
		write_com(0x18); 
		delay1(200); 
	} 
	while(1); 
}