fanye.txt

1602 液晶 字符翻页程序 使用的是新华龙单片机 100脚 的

#include<c8051f020.h>
#define  SYSCLK  22118400
#define uchar unsigned char
#define uint unsigned int
uchar code table0[]="CAHNG CHUN";
uchar code table1[]="UNIVERSITY";
uchar code table1[]="WELCOMEYOU";
uchar code table1[]="HAPPY DAYS";
sbit lcden=P2^7;
sbit lcdrs=P2^5;
uchar num;
void delay(uint z)
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);
}
void write_com(uchar com)
{
	lcdrs=0;
	P7=com;
	delay(5);
	lcden=1;
	delay(5);
	lcden=0;
}

void write_data(uchar date)
{
	lcdrs=1;
	P7=date;
	delay(5);
	lcden=1;
	delay(5);
	lcden=0;
}
void init()
{
	WDTCN=0xde;//关看门狗
	WDTCN=0xad;
	XBR2=0x40;//设置交叉开关使能
	P2MDOUT=0xf0;//P2^57推挽式输出
	P74OUT=0xf0;//P67推挽式输出

}
void lcd_init() 
{
	lcden=0;
	write_com(0x38);
	write_com(0x0e);
	write_com(0x06);
	write_com(0x01);
	write_com(0x80+0x10);
}
void SYSCLK_init()
{
	OSCXCN=0x67;
	delay(5);
	OSCICN=0x04;
	CKCON=0X00;
}
void main()
{
	init();
	SYSCLK_init();
	P2=0x0f;
	P6=0x01;
	lcd_init();
	for(num=0;num<14;num++)
	{
		write_data(table1[num]);
		delay(20);
	}
	write_com(0x80+0x50);
	for(num=0;num<14;num++)
	{
		write_data(table2[num]);
		delay(20);
	}
	for(num=0;num<16;num++)
	{
		write_com(0x18);
		delay(200);
	}
	delay(5000);
	for(num=0;num<16;num++)
	{
		write_com(0x1c);
		delay(200);
	}
		while(1);
}