LCD1602靜態(tài)顯示

在LCD1602上面顯示"I LOVE MCU!"和"I LOVE MCU!"

#include

//#define uchar unsigned char;

sbit RS = P1^2; //位定義，液晶的數(shù)據(jù)/命令選擇

sbit RW = P1^1; //位定義，液晶的讀寫選擇

sbit EN = P1^0; //位定義，液晶使能信號

//#define LCDPORT P2 //液晶的數(shù)據(jù)口

unsigned char code table[]="I LOVE MCU!"; //在CODE區(qū)定義一個用于顯示的常量字符串

unsigned char code table1[]="www.zstudy.com"; //在CODE區(qū)定義一個用于顯示的常量字符串

void delay(unsigned int ms); //延時函數(shù)

unsigned char num;

void write_com(unsigned char com)

{

RS=0;

P2=com;

delay(20);

EN=1;

delay(20);

EN=0;

}

void write_data(unsigned char date)

{

RS=1;

P2=date;

delay(20);

EN=1;

delay(20);

EN=0;

}

void init()

{

RW=0;

EN=0;

write_com(0x38);

write_com(0x0f);

write_com(0x06);

write_com(0x01);

}

/******************************************************************************

函數(shù)名稱：main

函數(shù)功能：程序主函數(shù)

入口參數(shù)：無

返回值：無

備注：無

*******************************************************************************/

void main(void)

{

init();

write_com(0x80);

for(num=0;num<11;num++)

{

write_data(table[num]);

delay(20);

}

write_com(0x80+0x40);

for(num=0;num<14;num++)

{

write_data(table1[num]);

delay(20);

}

while(1);

}

void delay(unsigned int ms)

{

unsigned char j = 110;

for(;ms > 0;ms--) while(--j);

}