/*
DS3231.cpp:?DS3231?Real-Time?Clock?library
original?code?by
Eric?Ayars
4/1/11

updated?to?Arduino?1.0?
John?Hubert
Feb?7?2012

Released?into?the?public?domain.
*/

#include?

#define?CLOCK_ADDRESS?0x68

//?Constructor
DS3231::DS3231（）?{
	//?nothing?to?do?for?this?constructor.
}

/*****************************************?
	Public?Functions
?*****************************************/

void?DS3231::getTime（byte&?year?byte&?month?byte&?date?byte&?DoW?byte&?hour?byte&?minute?byte&?second）?{
	byte?tempBuffer;
	bool?PM;
	bool?h12;

	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（uint8_t（0x00））;
	Wire.endTransmission（）;
	
	Wire.requestFrom（CLOCK_ADDRESS?7）;

	second?=?bcdToDec（Wire.read（））;
	minute?=?bcdToDec（Wire.read（））;
	tempBuffer?=?bcdToDec（Wire.read（））;
	h12?=?tempBuffer?&?0b01000000;
	if?（h12）?{
		PM?=?tempBuffer?&?0b00100000;
		hour?=?bcdToDec（tempBuffer?&?0b00011111）;
	}?else?{
		hour?=?bcdToDec（tempBuffer?&?0b00111111）;
	}
	DoW?=?bcdToDec（Wire.read（））;
	date?=?bcdToDec（Wire.read（））;
	month?=?bcdToDec（Wire.read（）?&?0b01111111）;
	year?=?bcdToDec（Wire.read（））;
}

byte?DS3231::getSecond（）?{
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（uint8_t（0x00））;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	return?bcdToDec（Wire.read（））;
}

byte?DS3231::getMinute（）?{
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（0x01）;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	return?bcdToDec（Wire.read（））;
}

byte?DS3231::getHour（bool&?h12?bool&?PM）?{
	byte?temp_buffer;
	byte?hour;
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（0x02）;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	temp_buffer?=?Wire.read（）;
	h12?=?temp_buffer?&?0b01000000;
	if?（h12）?{
		PM?=?temp_buffer?&?0b00100000;
		hour?=?bcdToDec（temp_buffer?&?0b00011111）;
	}?else?{
		hour?=?bcdToDec（temp_buffer?&?0b00111111）;
	}
	return?hour;
}

byte?DS3231::getDoW（）?{
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（uint8_t（0x03））;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	return?bcdToDec（Wire.read（））;
}

byte?DS3231::getDate（）?{
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（uint8_t（0x04））;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	return?bcdToDec（Wire.read（））;
}

byte?DS3231::getMonth（bool&?Century）?{
	byte?temp_buffer;
	byte?hour;
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（uint8_t（0x05））;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	temp_buffer?=?Wire.read（）;
	Century?=?temp_buffer?&?0b10000000;
	return?（bcdToDec（temp_buffer?&?0b01111111））?;
}

byte?DS3231::getYear（）?{
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.write（uint8_t（0x06））;
	Wire.endTransmission（）;

	Wire.requestFrom（CLOCK_ADDRESS?1）;
	return?bcdToDec（Wire.read（））;
}

void?DS3231::setSecond（byte?Second）?{
	//?Sets?the?seconds?
	//?This?function?also?resets?the?Oscillator?Stop?Flag?which?is?set
	//?whenever?power?is?interrupted.
	Wire.beginTransmission（CLOCK_ADDRESS）;
	Wire.wr

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-03-03?22:43??DS3231\
?????文件???????16274??2016-03-03?22:43??DS3231\DS3231.cpp
?????文件????????5160??2016-03-03?22:43??DS3231\DS3231.h
?????目錄???????????0??2016-03-03?22:43??DS3231\Examples\
?????目錄???????????0??2016-03-03?22:43??DS3231\Examples\DS3231_TEST\
?????文件????????4647??2016-03-03?22:43??DS3231\Examples\DS3231_TEST\DS3231_TEST.ino
?????文件?????????548??2016-03-03?22:43??DS3231\keywords.txt
?????文件?????????243??2016-03-03?22:43??DS3231\Readme.txt