/*
??FlexiTimer2.h?-?Using?timer2?with?a?configurable?resolution
??Wim?Leers?

??based?on?MsTimer2
??Javier?Valencia?

??History:
????16/Dec/2011?-?Added?Teensy/Teensy++?support?（bperrybap）
		???note:?teensy?uses?timer4?instead?of?timer2
????25/April/10?-?based?on?MsTimer2?V0.5?（from?29/May/09）

??This?library?is?free?software;?you?can?redistribute?it?and/or
??modify?it?under?the?terms?of?the?GNU?Lesser?General?Public
??License?as?published?by?the?Free?Software?Foundation;?either
??version?2.1?of?the?License?or?（at?your?option）?any?later?version.

??This?library?is?distributed?in?the?hope?that?it?will?be?useful
??but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
??MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the?GNU
??Lesser?General?Public?License?for?more?details.

??You?should?have?received?a?copy?of?the?GNU?Lesser?General?Public
??License?along?with?this?library;?if?not?write?to?the?Free?Software
??Foundation?Inc.?51?Franklin?St?Fifth?Floor?Boston?MA??02110-1301??USA
*/

#include?

unsigned?long?FlexiTimer2::time_units;
void?（*FlexiTimer2::func）（）;
volatile?unsigned?long?FlexiTimer2::count;
volatile?char?FlexiTimer2::overflowing;
volatile?unsigned?int?FlexiTimer2::tcnt2;

void?FlexiTimer2::set（unsigned?long?ms?void?（*f）（））?{
????FlexiTimer2::set（ms?0.001?f）;
}


/**
?*?@param?resolution
?*???0.001?implies?a?1?ms?（1/1000s?=?0.001s?=?1ms）?resolution.?Therefore
?*???0.0005?implies?a?0.5?ms?（1/2000s）?resolution.?And?so?on.
?*/
void?FlexiTimer2::set（unsigned?long?units?double?resolution?void?（*f）（））?{
	float?prescaler?=?0.0;
	
	if?（units?==?0）
		time_units?=?1;
	else
		time_units?=?units;
		
	func?=?f;
	
#if?defined?（__AVR_ATmega168__）?||?defined?（__AVR_ATmega48__）?||?defined?（__AVR_ATmega88__）?||?defined?（__AVR_ATmega328P__）?||?defined?（__AVR_ATmega1280__）?||?defined?（__AVR_ATmega2560__）?||?defined（__AVR_AT90USB646__）?||?defined（__AVR_AT90USB1286__）
	TIMSK2?&=?~（1<	TCCR2A?&=?~（（1<	TCCR2B?&=?~（1<	ASSR?&=?~（1<	TIMSK2?&=?~（1<	
	if?（（F_CPU?>=?1000000UL）?&&?（F_CPU?<=?16000000UL））?{	//?prescaler?set?to?64
		TCCR2B?|=?（1<		TCCR2B?&=?~（（1<		prescaler?=?64.0;
	}?else?if?（F_CPU?		TCCR2B?|=?（1<		TCCR2B?&=?~（（1<		prescaler?=?8.0;
	}?else?{?//?F_CPU?>?16Mhz?prescaler?set?to?128
		TCCR2B?|=?（（1<		TCCR2B?&=?~（1<		prescaler?=?128.0;
	}
#elif?defined?（__AVR_ATmega8__）
	TIMSK?&=?~（1<	TCCR2?&=?~（（1<	TIMSK?&=?~（1<	ASSR?&=?~（1<	
	if?（（F_CPU?>=?1000000UL）?&&?（F_CPU?<=?16000000UL））?{	//?prescaler?set?to?64
		TCCR2?|=?（1<		TCCR2?&=?~（（1<		prescaler?=?64.0;
	}?else?if?（F_CPU?		TCCR2?|=?（1<		TCCR2?&=?~（（1<		prescaler?=?8.0;
	}?else?{?//?F_CPU?>?16Mhz?p

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1205??2012-02-14?01:16??flexitimer2庫\wimleers-flexitimer2-7338cfb\examples\FlashLed\FlashLed.pde

?????文件???????6515??2012-02-14?01:16??flexitimer2庫\wimleers-flexitimer2-7338cfb\FlexiTimer2.cpp

?????文件????????518??2012-02-14?01:16??flexitimer2庫\wimleers-flexitimer2-7338cfb\FlexiTimer2.h

?????文件?????????63??2012-02-14?01:16??flexitimer2庫\wimleers-flexitimer2-7338cfb\keywords.txt

?????目錄??????????0??2018-12-21?16:25??flexitimer2庫\wimleers-flexitimer2-7338cfb\examples\FlashLed

?????目錄??????????0??2018-12-21?16:25??flexitimer2庫\wimleers-flexitimer2-7338cfb\examples

?????目錄??????????0??2018-12-21?16:25??flexitimer2庫\wimleers-flexitimer2-7338cfb

?????目錄??????????0??2018-12-21?16:25??flexitimer2庫

-----------?---------??----------?-----??----

?????????????????8301????????????????????8