為了節(jié)約端口，1602液晶我也改為595來驅(qū)動了，一共有2個文件都在下面，程序本人測試通過，在你自己的應(yīng)用中只需要修改端口即可.
//////////////////////////////////////////////////////////////////////////
#include <LCD1602.H>
unsigned char code Text_1 []="0123456789abcdef";//16位字符
unsigned char code Text_2 []="0123456789ABCDEF";//16位字符
void LCD_MS(ms)
{
unsigned int x,y;
for(x=ms;x>0;x--)
for(y=60;y>0;y--);
}
void Write_595(unsigned char Data)
{
unsigned char j;
SH_CP=0;
ST_CP=1;
for (j=0;j<8;j++)
{
Data=Data<<1;
DS_595=CY;
SH_CP=1;
LCD_MS(1);
SH_CP=0;
}
ST_CP=0;
LCD_MS(1);
ST_CP=1;
LCD_MS(1);
ST_CP=0 ;
}
void LCD_Write_Com(unsigned char LCD_Com)//LCD寫命令
{
LCD_RS=0;
LCD_EN=1;
Write_595(LCD_Com);
LCD_MS(5);
LCD_EN=0;
}
void LCD_Write_Data(unsigned char LCD_Data)//LCD寫數(shù)據(jù)
{
LCD_RS=1;
LCD_EN=1;
Write_595(LCD_Data);
LCD_MS(5);
LCD_EN=0;
}
void LCD_INIT()//LCD初始化
{
LCD_Write_Com(0x38);
LCD_Write_Com(0x01);
LCD_Write_Com(0x06);
LCD_Write_Com(0x0C);
LCD_Write_Com(0x80);
}
void LCD_CLS()//LCD清屏
{
LCD_Write_Com(0x0C);
LCD_Write_Com(0x80);
}
void LCD_Glint(unsigned char LCD_Line, unsigned char Addess)//光標(biāo)閃爍位置
{
unsigned char Line;
if(LCD_Line==1)Line=0x80;
if(LCD_Line==2)Line=(0x80+0x40);
LCD_Write_Com(0x0d);
LCD_Write_Com(Line+(Addess-1));
}
void LCD_Text()//顯示預(yù)設(shè)字符
{
unsigned char num;
LCD_CLS();
for(num=0;num<16;num++)
{
LCD_Write_Data(Text_1[num]); //第一行
LCD_MS(1);
}
LCD_Write_Com(0x80+0x40);
for(num=0;num<16;num++)
{
LCD_Write_Data(Text_2[num]); //第二行
LCD_MS(1);
}
}
/////////////////////////////////////////////////////////
#ifndef __LCD1602_H__
#define __LCD1602_H__
#include <STC11.H>
sbit LCD_RS=P1^7;
sbit LCD_EN=P1^6;
sbit LCD_BG=P1^2;//74HC595_P12
sbit SH_CP=P1^3;//74HC595_P11
sbit DS_595=P1^5;//74HC595_P14
sbit ST_CP=P1^4;//74HC595_P12
/* ISIS仿真
sbit LCD_RS=P0^0;
sbit LCD_EN=P0^1;
sbit SH_CP=P0^2;//74HC595_P11
sbit DS_595=P0^3;//74HC595_P14
sbit ST_CP=P0^4;//74HC595_P12
*/
void LCD_Write_Com(unsigned char LCD_Com); /*LCD寫入命令*/
void LCD_INIT(); /*LCD初始化*/
void LCD_CLS(); /*LCD清屏*/
void LCD_Glint(unsigned char Line, unsigned char Addess); /*光標(biāo)閃爍位置*/
void LCD_Text(); /*顯示預(yù)設(shè)字符*/
#endif
/////////////////////////////////////////////////////////////