51單片機驅(qū)動ds1302程序(12864液晶顯示)

這個是設置日期

設置背景光

這是設置了按鍵音和鬧鈴以后，主界面出現(xiàn)狀態(tài)標志

鬧鈴的界面，喇叭出現(xiàn)鈴聲。

生日倒計時提醒功能。

全部完整的源代碼下載：http://www.51hei.com/bbs/dpj-20391-1.html
下面是ds1602部分的驅(qū)動程序：
/*------------------------------------
名稱:DS1302Driver
編寫:YuMin_Dong
時間:2013.01.20
------------------------------------*/
#ifndef _DS1302_H_
#define _DS1302_H_

/*------------------------------------
I/O位定義
------------------------------------*/
sbit DS_RST=P2^4;
sbit DS_SCL=P2^6;
sbit DS_IO=P2^5;

/*------------------------------------
宏定義
------------------------------------*/
#define DS_RST_CLR DS_RST=0
#define DS_SCL_CLR DS_SCL=0
#define DS_IO_CLR DS_IO=0
#define DS_IO_SET DS_IO=1
#define DS_SCL_SET DS_SCL=1
#define DS_RST_SET DS_RST=1

#define SECOND_ADDRESS 0x80//秒 寄存地址
#define MINUTE_ADDRESS 0x82//分 寄存地址
#define HOUR_ADDRESS 0x84//時 寄存地址
#define DATE_ADDRESS 0x86//日 寄存地址
#define MONTH_ADDRESS 0x88//月 寄存地址
#define WEEK_ADDRESS 0x8a//周 寄存地址
#define YEAR_ADDRESS 0x8c//年 寄存地址
#define CONTROL_ADDRESS 0x8e//控制寄存器地址

/*------------------------------------
全局變量定義
------------------------------------*/
UINT8 Year,Month,Date,Hour,Minute,Second,Week;//年月日時分秒周的暫存
bit Set_Hour;//為1表示設置時鐘,為0表示設置分鐘,秒鐘在設置時間的時候停擺清零
UINT8 Set_Date;//設置年月日選擇標識
bit Menu0;//一號子菜單調(diào)時位

UINT8 Set_Bell;
UINT8 Bell_Hour,Bell_Minute;

code UINT8 WEEK_TAB[12]={0,3,3,6,1,4,6,2,5,0,3,5};//星期補償

/*------------------------------------
Write函數(shù)
------------------------------------*/
void DS1302_WriteByte(UINT8 address,UINT8 byte)
{
UINT8 i;
address=address&0xfe;//R/W控制位低電位寫
DS_RST_SET;
for(i=0;i<8;i++)//發(fā)送地址,找寄存器
{
if(address&0x01)
DS_IO_SET;
else DS_IO_CLR;
address>>=1;
DS_SCL_SET;
DS_SCL_CLR;
}
for(i=0;i<8;i++)//發(fā)送數(shù)據(jù)到尋找到的寄存器
{
if(byte&0x01)
DS_IO_SET;
else DS_IO_CLR;
byte>>=1;
DS_SCL_SET;
DS_SCL_CLR;
}
DS_RST_CLR;
}

/*------------------------------------
Read函數(shù)
------------------------------------*/
UINT8 DS1302_ReadByte(UINT8 address)
{
UINT8 i,byte;
address=address|0x01;
DS_RST_SET;
for(i=0;i<8;i++)//發(fā)送地址,找到寄存器
{
if(address&0x01)
DS_IO_SET;
else DS_IO_CLR;
address>>=1;
DS_SCL_SET;
DS_SCL_CLR;
}
for(i=0;i<8;i++)//從找到的寄存器中讀取數(shù)據(jù)
{
byte>>=1;
if(DS_IO)
byte|=0x80;
DS_SCL_SET;
DS_SCL_CLR;
}
DS_RST_CLR;
return byte;
}

/*------------------------------------
讀取時間
------------------------------------*/
void DS1302_ReadTime()
{
Hour=DS1302_ReadByte(HOUR_ADDRESS);
Minute=DS1302_ReadByte(MINUTE_ADDRESS);
Second=DS1302_ReadByte(SECOND_ADDRESS)&0x7f;
}

/*------------------------------------
寫入時間
------------------------------------*/
void DS1302_WriteTime()
{
DS1302_WriteByte(CONTROL_ADDRESS,0X00);//關閉寫保護
DS1302_WriteByte(HOUR_ADDRESS,Hour);
DS1302_WriteByte(MINUTE_ADDRESS,Minute);
DS1302_WriteByte(SECOND_ADDRESS,Second&0x7f);//清零秒
DS1302_WriteByte(CONTROL_ADDRESS,0x80);//打開寫保護
}

/*------------------------------------
顯示時間
------------------------------------*/
void Display_Time()
{
LCD_WriteCommand(0x34);//16x32的時鐘顯示,先開始擴充指令模式
LCD_WriteCommand(0x36);//開啟繪圖模式

LCD_SendImg16x32(0,1,*(User_16x32+Hour/16),0|Set_Hour);
LCD_SendImg16x32(1,1,*(User_16x32+Hour%16),0|Set_Hour);

LCD_SendImg16x32(2,1,*(User_16x32+10),0);

LCD_SendImg16x32(3,1,*(User_16x32+Minute/16),0|(!Set_Hour&&Menu0));
LCD_SendImg16x32(4,1,*(User_16x32+Minute%16),0|(!Set_Hour&&Menu0));

LCD_SendImg16x32(5,1,*(User_16x32+10),0);

LCD_SendImg16x32(6,1,*(User_16x32+Second/16),0);
LCD_SendImg16x32(7,1,*(User_16x32+Second%16),0);
//LCD_WriteCommand(0x30);
}

/*------------------------------------
設置鬧鈴界面填充
------------------------------------*/
void Display_Bell()
{
LCD_WriteCommand(0x34);//16x32的時鐘顯示,先開始擴充指令模式
LCD_WriteCommand(0x36);//開啟繪圖模式

LCD_SendImg16x32(0,1,*(User_16x32+Bell_Hour/10),Set_Bell==0);
LCD_SendImg16x32(1,1,*(User_16x32+Bell_Hour%10),Set_Bell==0);

LCD_SendImg16x32(2,1,*(User_16x32+10),0);

LCD_SendImg16x32(3,1,*(User_16x32+Bell_Minute/10),Set_Bell==1);
LCD_SendImg16x32(4,1,*(User_16x32+Bell_Minute%10),Set_Bell==1);

LCD_SendImg16x32(5,1,*(User_16x32+10),0);

LCD_SendImg16x32(6,1,*User_16x32,0);
LCD_SendImg16x32(7,1,*User_16x32,0);
}

/*------------------------------------
讀取日期
------------------------------------*/
void DS1302_ReadDate()
{
Year=DS1302_ReadByte(YEAR_ADDRESS);
Month=DS1302_ReadByte(MONTH_ADDRESS);
Date=DS1302_ReadByte(DATE_ADDRESS);
}

/*------------------------------------
寫入日期
------------------------------------*/
void DS1302_WriteDate()
{
DS1302_WriteByte(CONTROL_ADDRESS,0X00);//關閉寫保護
DS1302_WriteByte(DATE_ADDRESS,Date);
DS1302_WriteByte(MONTH_ADDRESS,Month);
DS1302_WriteByte(YEAR_ADDRESS,Year);//清零秒
DS1302_WriteByte(CONTROL_ADDRESS,0x80);//打開寫保護
}

/*------------------------------------
設置時填充大數(shù)字日期
------------------------------------*/
void Display_SetDate()
{
LCD_WriteCommand(0x34);
LCD_WriteCommand(0x36);

LCD_SendImg16x32(0,1,*(User_16x32+Year/16),Set_Date==0);
LCD_SendImg16x32(1,1,*(User_16x32+Year%16),Set_Date==0);

LCD_SendImg16x32(2,1,*(User_16x32+11),0);

LCD_SendImg16x32(3,1,*(User_16x32+Month/16),Set_Date==1);
LCD_SendImg16x32(4,1,*(User_16x32+Month%16),Set_Date==1);

LCD_SendImg16x32(5,1,*(User_16x32+11),0);

LCD_SendImg16x32(6,1,*(User_16x32+Date/16),Set_Date==2);
LCD_SendImg16x32(7,1,*(User_16x32+Date%16),Set_Date==2);
//LCD_WriteCommand(0x30);
}
/*------------------------------------
星期轉(zhuǎn)換
------------------------------------*/
UINT8 Conver_Week(bit c,UINT8 year,UINT8 month,UINT8 date)
{
UINT8 temp1,temp2,week;
temp1=year/16;
temp2=year%16;
year=temp1*10+temp2;
temp1=month/16;
temp2=month%16;
month=temp1*10+temp2;
temp1=date/16;
temp2=date%16;
date=temp1*10+temp2;

if (c==0){year+=0x64;}
temp1=year/0x4;
temp2=year+temp1;
temp2=temp2%0x7;
temp2=temp2+date+WEEK_TAB[month-1];
if (year%0x4==0&&month<3)temp2-=1;
week=temp2%0x7;
return week;
}
/*------------------------------------
顯示日期
------------------------------------*/
void Display_Date()
{
//if(Set_Year&&!Set_Month)
//Year=~Year;
LCD_WriteCommand(0x30);
LCD_WriteCommand(0x06);
//顯示日期格式20XX-XX-XX
LCD_WriteCommand(0x80);
//從1302讀出年信息
LCD_SendString("20");
LCD_WriteData(Year/16|0x30);//填充年信息
LCD_WriteData(Year%16|0x30);

LCD_WriteData(-);//分隔符

//從1302讀出月信息
LCD_WriteData(Month/16|0x30);//LCD填充月信息
LCD_WriteData(Month%16|0x30);

LCD_WriteData(-);//分隔符

//從1302讀出日信息
LCD_WriteData(Date/16|0x30);//LCD填充日信息
LCD_WriteData(Date%16|0x30);
}

/*------------------------------------
換算并顯示星期
------------------------------------*/
void Display_Week()
{
LCD_WriteCommand(0x86);
//Week=DS1302_ReadByte(WEEK_ADDRESS);
Week=Conver_Week(0,Year,Month,Date);
LCD_SendString("周");
switch(Week)
{
case 0: LCD_SendString("日");
break;
case 1:LCD_SendString("一");
break;
case 2: LCD_SendString("二");
break;
case 3:LCD_WriteData(0xc8);//字庫區(qū)位碼表得出"三"的顯示碼.
LCD_WriteData(0xfd);
break;
case 4: LCD_SendString("四");
break;
case 5: LCD_SendString("五");
break;
case 6: LCD_SendString("六");
break;
default:return ;
}
}

/*------------------------------------
初始化
------------------------------------*/
void DS1302_Init()//初始化DS1302
{
DS_SCL_CLR;
DS_RST_CLR;
//DS1302_WriteByte(CONTROL_ADDRESS,0X00);
//DS1302_WriteByte(HOUR_ADDRESS,0x16);
//DS1302_WriteByte(CONTROL_ADDRESS,0x80);

}
#endif