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肯定可以的：比如

程序動(dòng)態(tài)顯示字符 顯示光標(biāo)和光標(biāo)閃爍打開(kāi)效果

------------------------------------------------*/

#include //包含頭文件，義

#include

sbit RS = P2^4; //定義端口

sbit RW = P2^5;

sbit EN = P2^6;

#define RS_CLR RS=0

#define RS_SET RS=1

#define RW_CLR RW=0

#define RW_SET RW=1

#define EN_CLR EN=0

#define EN_SET EN=1

#define DataPort P0

/*------------------------------------------------

uS延時(shí)函數(shù)，含有輸入?yún)?shù) unsigned char t，無(wú)返回值

unsigned char 是定義無(wú)符號(hào)字符變量，其值的范圍是

0~255 這里使用晶振12M，精確延時(shí)請(qǐng)使用匯編,大致延時(shí)

長(zhǎng)度如下 T=tx2+5 uS

------------------------------------------------*/

void DelayUs2x(unsigned char t)

{

while(--t);

}

/*------------------------------------------------

mS延時(shí)函數(shù)，含有輸入?yún)?shù) unsigned char t，無(wú)返回值

unsigned char 是定義無(wú)符號(hào)字符變量，其值的范圍是

0~255 這里使用晶振12M，精確延時(shí)請(qǐng)使用匯編

------------------------------------------------*/

void DelayMs(unsigned char t)

{

while(t--)

{

//大致延時(shí)1mS

DelayUs2x(245);

DelayUs2x(245);

}

}

/*------------------------------------------------

判忙函數(shù)

------------------------------------------------*/

bit LCD_Check_Busy(void)

{

DataPort= 0xFF;

RS_CLR;

RW_SET;

EN_CLR;

_nop_();

EN_SET;

return (bit)(DataPort & 0x80);

}

/*------------------------------------------------

寫(xiě)入命令函數(shù)

------------------------------------------------*/

void LCD_Write_Com(unsigned char com)

{

while(LCD_Check_Busy()); //忙則等待

RS_CLR;

RW_CLR;

EN_SET;

DataPort= com;

_nop_();

EN_CLR;

}

/*------------------------------------------------

寫(xiě)入數(shù)據(jù)函數(shù)

------------------------------------------------*/

void LCD_Write_Data(unsigned char Data)

{

while(LCD_Check_Busy()); //忙則等待

RS_SET;

RW_CLR;

EN_SET;

DataPort= Data;

_nop_();

EN_CLR;

}

/*------------------------------------------------

清屏函數(shù)

------------------------------------------------*/

void LCD_Clear(void)

{

LCD_Write_Com(0x01);

DelayMs(5);

}

/*------------------------------------------------

寫(xiě)入字符串函數(shù)

------------------------------------------------*/

void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s)

{

if (y == 0)

{

LCD_Write_Com(0x80 + x);

}

else

{

LCD_Write_Com(0xC0 + x);

}

while (*s)

{

LCD_Write_Data( *s);

s ++;

}

}

/*------------------------------------------------

寫(xiě)入字符函數(shù)

------------------------------------------------*/

void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data)

{

if (y == 0)

{

LCD_Write_Com(0x80 + x);

}

else

{

LCD_Write_Com(0xC0 + x);

}

LCD_Write_Data( Data);

}

/*------------------------------------------------

初始化函數(shù)

------------------------------------------------*/

void LCD_Init(void)

{

LCD_Write_Com(0x38); /*顯示模式設(shè)置*/

DelayMs(5);

LCD_Write_Com(0x38);

DelayMs(5);

LCD_Write_Com(0x38);

DelayMs(5);

LCD_Write_Com(0x38);

LCD_Write_Com(0x08); /*顯示關(guān)閉*/

LCD_Write_Com(0x01); /*顯示清屏*/

LCD_Write_Com(0x06); /*顯示光標(biāo)移動(dòng)設(shè)置*/

DelayMs(5);

LCD_Write_Com(0x0C); /*顯示開(kāi)及光標(biāo)設(shè)置*/

}

/*------------------------------------------------

主函數(shù)

------------------------------------------------*/

void main(void)

{

unsigned char i;

unsigned char *pa,*pb;

LCD_Init();

LCD_Write_Com(0x0f);//光標(biāo)開(kāi)，光標(biāo)閃爍開(kāi)

while (1)

{

pa = "Welcome to";

pb = "www.doflye.net";

LCD_Clear();

LCD_Write_String(2,0,pa); //顯示2行信息

LCD_Write_String(1,1,pb);

for(i=0;i<8;i++) //延時(shí)2s左右

DelayMs(250);

LCD_Clear(); //清屏顯示其他信息

i = 2;

while (*pa) //循環(huán)輸入方式顯示2行信息

{

LCD_Write_Char(i,0,*pa);

i ++;

pa ++;

DelayMs(250);

}

i=1;

while (*pb)

{

LCD_Write_Char(i,1,*pb);

i ++;

pb ++;

DelayMs(250);

}

DelayMs(250);

}

}

總結(jié)

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