DS1302显示时间

void Initial_DS1302(void)
{
unsigned char Second=Read1302(DS1302_SECOND);
Write1302(0x8e,0x00); //写入允许
Write1302(0x80,0x50);
Write1302(0x82,0x56);
Write1302(0x84,0x22);
Write1302(0x8e,0x80); //禁止写入
if(Second&0x80)
DS1302_SetTime(DS1302_SECOND,0x80);
}

#endif

#include
#include
//#include "LCD1602.h"
//#include "DS1302.h"
#define uint unsigned int
#define uchar unsigned char
sbit DS1302_CLK = P1^7; //实时时钟时钟线引脚
sbit DS1302_IO = P1^6; //实时时钟数据线引脚
sbit DS1302_RST = P1^5; //实时时钟复位线引脚
sbit wireless_1 = P3^0;
sbit wireless_2 = P3^1;
sbit wireless_3 = P3^2;
sbit wireless_4 = P3^3;
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
char hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year; //秒,分,时到日,月,年位闪的计数
sbit Set = P2^0; //模式切换键
sbit Up = P2^1; //加法按钮
sbit Down = P2^2; //减法按钮
sbit out = P2^3; //立刻跳出调整模式按钮
sbit DQ = P1^0; //温度传送数据IO口
char done,count,temp,flag,up_flag,down_flag;
uchar temp_value; //温度值
uchar TempBuffer[5],week_value[2];

void show_time(); //液晶显示程序
/***********1602液晶显示部分子程序****************/

//Port Definitions**********************************************************
sbit LcdRs= P2^5;
sbit LcdRw= P2^6;
sbit LcdEn = P2^7;
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_();

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);
}

//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
}

//液晶字符输入的位置************************
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));
}

//将字符输出到液晶显示
void Print(unsigned char *str)
{
while(*str!=\0)
{
LCD_Write(LCD_DATA,*str);
str++;
}
}

/***********DS1302时钟部分子程序******************/
typedef struct __SYSTEMTIME__
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[11];
unsigned char TimeString[9];
}SYSTEMTIME;//定义的时间类型
SYSTEMTIME CurrentTime;

#define AM(X)X
#define PM(X)(X+12) // 转成24小时制
#define DS1302_SECOND0x80 //时钟芯片的寄存器位置,存放时间
#define DS1302_MINUTE0x82
#define DS1302_HOUR0x84
#define DS1302_WEEK0x8A
#define DS1302_DAY0x86
#define DS1302_MONTH0x88
#define DS1302_YEAR0x8C