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DS1302子程序

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/*********************************************************************
 微 雪 电 子   WaveShare   http://www.waveShare.net             
目    的:   建立DS1302操作库
目标系统:   基于AVR单片机                                                
应用软件:   ICCAVR                                                     
版    本:   Version 1.0                                                      
圆版时间:   2005-06-25
开发人员:   SEE
说    明:   若用于商业用途,请保留此段文字或注明代码来源
  深 圳 市 微 雪 电 子 有 限 公 司 保 留 所 有 的 版 权    
*********************************************************************/

/*01010101010101010101010101010101010101010101010101010101010101010101
----------------------------------------------------------------------
版本更新记录:

----------------------------------------------------------------------
入口参数说明:
#include "D:\ICC51\CmmICC.H"

#define OUT_SCK sbi(DDRD,0)
#define OUT_SIO sbi(DDRD,1)
#define OUT_RST sbi(DDRD,2)

#define IN_SIO cbi(DDRD,1)

#define SET_SCK sbi(PORTD,0)
#define SET_SIO sbi(PORTD,1)
#define SET_RST sbi(PORTD,2)

#define CLR_SCK cbi(PORTD,0)
#define CLR_SIO cbi(PORTD,1)
#define CLR_RST cbi(PORTD,2)

#define GET_SIO gbi(PIND,1)

----------------------------------------------------------------------
待定参数说明:
#define DELAY() {NOP();NOP();NOP();}

----------------------------------------------------------------------
对外变量说明:

----------------------------------------------------------------------
对外函数说明:

----------------------------------------------------------------------
10101010101010101010101010101010101010101010101010101010101010101010*/

#ifndef DS1302_H
#define DS1302_H

#include "D:\ICC_H\CmmICC.H"

#define DELAY() {NOP();NOP();NOP();NOP();NOP();NOP();}

//uint8 DS1302Second;
//uint8 DS1302Minute;
//uint8 DS1302Hour;

//uint8 DS1302Day;
//uint8 DS1302Month;
//uint8 DS1302Year;

//uint8 DS1302SecLow;
//uint8 DS1302MinLow;
//uint8 DS1302HourLow;
//uint8 DS1302DayLow;
//uint8 DS1302MonLow;
//uint8 DS1302YearLow;
//uint8 DS1302SecHi;
//uint8 DS1302MinHi;
//uint8 DS1302HourHi;
//uint8 DS1302DayHi;
//uint8 DS1302MonHi;
//uint8 DS1302YearHi;

uint8 operData;
#define data0 (bool)operData&0x01
//#define data7 (bool)operData&0x80

/*--------------------------------------------------------------------
函数名称:DS1302写一个字节
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
void writeByte(void)
{
uint8 i;

OUT_SIO;
DELAY();
for(i=0;i<8;i++)
{
CLR_SCK;
if(data0)
SET_SIO;
else
CLR_SIO;
SET_SCK;
operData = operData>>1;
}
}
/*--------------------------------------------------------------------
函数名称:DS1302读一个字节
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
void readByte(void)
{
uint8 i;

IN_SIO;
SET_SCK;
for(i=0;i<8;i++)
{
operData = operData>>1;
CLR_SCK;
DELAY();
//delay50us(1);
if(GET_SIO)
operData |= 0x80;
SET_SCK;
}
}
/*--------------------------------------------------------------------
函数名称:DS1302充电参数
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
void setChargePrmt(void)
{
CLR_SCK;
SET_RST;
operData=0X90;
writeByte();
operData=0XA4;
writeByte();
/* the following sentence here is not indispensable,
but insert this sentence here can prevent ariseing error!
because when start operating,RST must keep low level! */
CLR_RST;
}
/*--------------------------------------------------------------------
函数名称:DS1302关写保护
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
void closeWP(void)
{
CLR_RST;
CLR_SCK;
SET_RST;
operData=0X8E;
writeByte();
operData=0X80;
CLR_SIO;
writeByte();
/* the following sentence here is not indispensable,
but insert this sentence here can prevent ariseing error!
because when start operating,RST must keep low level! */
CLR_RST;
}
/*--------------------------------------------------------------------
函数名称:DS1302开写保护
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
void openWP(void)
{
CLR_RST;
CLR_SCK;
SET_RST;
operData=0X8E;
writeByte();
operData=0X00;
CLR_SIO;
writeByte();
/* the following sentence here is not indispensable,
but insert this sentence here can prevent ariseing error!
because when start operating,RST must keep low level! */
CLR_RST;
}
/*--------------------------------------------------------------------
函数名称:DS1302的一个完整写操作
函数功能:
注意事项:无
提示说明:无
输 入:
返 回:无
--------------------------------------------------------------------*/
void write(uint8 addr,uint8 dat)
{
CLR_RST; //before SCL change to low level, RST must keep low level
CLR_SCK;
SET_RST;

//CLR_SCK; //also ok!!!
//CLR_RST;
//SET_RST;

//CLR_RST; //error
//SET_RST;
//CLR_SCK;

operData=0X80|(addr<<1);
writeByte();
operData=dat;
writeByte();
/* the following sentence here is not indispensable,
but insert this sentence here can prevent ariseing error!
because when start operating,RST must keep low level! */
CLR_RST;
}
/*--------------------------------------------------------------------
函数名称:DS1302的一个完整读操作
函数功能:
注意事项:无
提示说明:无
输 入:
返 回:无
--------------------------------------------------------------------*/
uint8 read(uint8 cmd)
{
//CLR_RST;
CLR_SCK;
SET_RST;
operData=(cmd<<1)|0x81;
writeByte();
readByte();
/* the following sentence here is not indispensable,
but insert this sentence here can prevent ariseing error!
because when start operating,RST must keep low level! */
CLR_RST;
return(operData);
}
/*--------------------------------------------------------------------
函数名称:DS1302读时间
函数功能:
注意事项:无
提示说明:无
输 入:
返 回:无
--------------------------------------------------------------------*/
void DS1302_getTime(uint8 *buf)
{
uint8 hourAdr=2,minuteAdr=1,secondAdr=0;

buf[0]=read(secondAdr);
buf[0]=changeHexToInt(buf[0]);

buf[1]=read(minuteAdr);
buf[1]=changeHexToInt(buf[1]);

buf[2]=read(hourAdr);
buf[2]=changeHexToInt(buf[2]);

//DS1302_speaTime();
}
/*--------------------------------------------------------------------
函数名称:DS1302读日期
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
//void DS1302_getDate(void)
//{
//
//}
/*--------------------------------------------------------------------
函数名称:DS1302拆时间
函数功能:
注意事项:无
提示说明:低层将时间拆好,方便上层调用
输 入:无
返 回:无
--------------------------------------------------------------------*/
//void DS1302_speaTime(void)
//{
// speaData(DS1302Second,2);
// DS1302SecHi=dataElem[1];
// DS1302SecLow=dataElem[0];
//
// speaData(DS1302Minute,2);
// DS1302MinHi=dataElem[1];
// DS1302MinLow=dataElem[0];
//
// speaData(DS1302Hour,2);
// DS1302HourHi=dataElem[1];
// DS1302HourLow=dataElem[0];
//}
/*--------------------------------------------------------------------
函数名称:DS1302拆日期
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
//void DS1302_speaDate(void)
//{
//
//}
/*--------------------------------------------------------------------
函数名称:DS1302设置时间
函数功能:
注意事项:无
提示说明:无
输 入:
返 回:无
--------------------------------------------------------------------*/
void DS1302_setTime(uint8 hour,uint8 minute,uint8 second)
{
uint8 hourAdr=2,minuteAdr=1,secondAdr=0;

hour=changeIntToHex(hour);
minute=changeIntToHex(minute);
second=changeIntToHex(second);

openWP();
write(hourAdr,hour);
write(minuteAdr,minute);
write(secondAdr,second);
closeWP();
}
/*--------------------------------------------------------------------
函数名称:DS1302设置日期
函数功能:
注意事项:无
提示说明:无
输 入:
返 回:无
--------------------------------------------------------------------*/
//void DS1302_setDate(uint8 year,uint8 month,uint8 day)
//{
//
//}
/*--------------------------------------------------------------------
函数名称:DS1302初始化
函数功能:
注意事项:无
提示说明:无
输 入:无
返 回:无
--------------------------------------------------------------------*/
void DS1302_init(void)
{
OUT_SCK;
OUT_SIO;
OUT_RST;
openWP();
setChargePrmt();
closeWP();
}

#endif

 

 相关AVR资料说明

可作为如下AVR的参考资料: ATtiny13 ATtiny24 ATtiny44 ATtiny84 ATtiny2313 ATtiny26 ATmega48 ATmega88 ATmega168 ATmega8 ATmega16 ATmega32 ATmega64 ATmega128 ATmega162 ATmega169 ATmega169P ATmega8515 ATmega8535

 相关AVR型号资料

ATtiny13 ATtiny24 ATtiny44 ATtiny84 ATtiny26 ATtiny2313
ATmega48 ATmega88 ATmega168 ATmega8 ATmega16 ATmega32
ATmega64 ATmega128 ATmega162 ATmega169 ATmega8515 ATmega8535

DS1302子程序

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