DS1302显示时间

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

THE 1602 CHAR LCD LIB

COPYRIGHT (c) 2005 BY JJJ.
-- ALL RIGHTS RESERVED --

File Name: LCD.h
Author: Jiang Jian Jun
Created: 2005/4/3
Modified:NO
Revision: 1.0

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

#ifndef LCD_CHAR_1602_2005_4_9
#define LCD_CHAR_1602_2005_4_9

#include

//Port Definitions**********************************************************
sbit LcdRs= P2^0;
sbit LcdRw= P2^1;
sbit LcdEn = P2^2;
sfr DBPort = 0x80;//P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口

//内部等待函数**************************************************************************
unsigned char LCD_Wait(void)
{
LcdRs=0;
LcdRw=1;_nop_();
LcdEn=1;_nop_();
//while(DBPort&0x80);//在用Proteus仿真时，注意用屏蔽此语句，在调用GotoXY()时，会进入死循环，
//可能在写该控制字时，该模块没有返回写入完备命令，即DBPort&0x80==0x80
//实际硬件时打开此语句
LcdEn=0;
return DBPort;
}
//向LCD写入命令或数据************************************************************
#define LCD_COMMAND0 // Command
#define LCD_DATA1 // Data
#define LCD_CLEAR_SCREEN0x01 // 清屏
#define LCD_HOMING 0x02 // 光标返回原点
void LCD_Write(bit style, unsigned char input)
{
LcdEn=0;
LcdRs=style;
LcdRw=0;_nop_();
DBPort=input;_nop_();//注意顺序
LcdEn=1;_nop_();//注意顺序
LcdEn=0;_nop_();
LCD_Wait();
}

//设置显示模式************************************************************
#define LCD_SHOW0x04 //显示开
#define LCD_HIDE0x00 //显示关

#define LCD_CURSOR0x02 //显示光标
#define LCD_NO_CURSOR0x00 //无光标

#define LCD_FLASH0x01 //光标闪动
#define LCD_NO_FLASH0x00 //光标不闪动

void LCD_SetDisplay(unsigned char DisplayMode)
{
LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
}

//设置输入模式************************************************************
#define LCD_AC_UP0x02
#define LCD_AC_DOWN0x00 // default

#define LCD_MOVE0x01 // 画面可平移
#define LCD_NO_MOVE0x00 //default

void LCD_SetInput(unsigned char InputMode)
{
LCD_Write(LCD_COMMAND, 0x04|InputMode);
}

//移动光标或屏幕************************************************************
/*
#define LCD_CURSOR0x02
#define LCD_SCREEN0x08
#define LCD_LEFT0x00
#define LCD_RIGHT0x04
void LCD_Move(unsigned char object, unsigned char direction)
{
if(object==LCD_CURSOR)
LCD_Write(LCD_COMMAND,0x10|direction);
if(object==LCD_SCREEN)
LCD_Write(LCD_COMMAND,0x18|direction);
}
*/
//初始化LCD************************************************************
void LCD_Initial()
{
LcdEn=0;
LCD_Write(LCD_COMMAND,0x38); //8位数据端口,2行显示,5*7点阵
LCD_Write(LCD_COMMAND,0x38);
LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //开启显示, 无光标
LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递增, 画面不动
}

//************************************************************************
void GotoXY(unsigned char x, unsigned char y)
{
if(y==0)
LCD_Write(LCD_COMMAND,0x80|x);
if(y==1)
LCD_Write(LCD_COMMAND,0x80|(x-0x40));
}
void Print(unsigned char *str)
{
while(*str!=\0)
{
LCD_Write(LCD_DATA,*str);
str++;
}
}
/*
void LCD_LoadChar(unsigned char user[8], unsigned char place)
{
unsigned char i;
LCD_Write(LCD_COMMAND,0x40|(place*8));
for(i=0; i<8; i++)
LCD_Write(LCD_DATA,user[i]);
}
*/
//************************************************************************
#endif

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

THE REAL TIMER DS1302 DRIVER LIB

COPYRIGHT (c) 2005 BY JJJ.
-- ALL RIGHTS RESERVED --

File Name: DS1302.h
Author: Jiang Jian Jun
Created: 2003/7/21
Modified:NO
Revision: 1.0

***************************************************************************/
#ifndef _REAL_TIMER_DS1302_2003_7_21_
#define _REAL_TIMER_DS1302_2003_7_21_

sbit DS1302_CLK = P1^6; //实时时钟时