#include "Arduino.h"

#include "TTimerList.h"

static bool InRange(int value, int min, int max)

{

return (value >= min) AND(value <= max);

}

TTimerList TimerList;

/// Íàñòðîéêà òàéìåðîâ äëÿ ïåðâîãî èñïîëüçîâàíèÿ

/// íà ñðàáàòûâàíèå êàæäóþ 1 ìèëëèñåêóíäó

/// äëÿ Uno, Nano è ïðî÷èõ Micro ñ ATMega328, è íà Mega2560 ðàáîòàåò íà òàéìåðå #0

/// íà Atmega8 ðàáîòàåò íà òàéìåðå 1, íà òàéìåðå 0 íåò ïðåðûâàíèÿ ïî ñîâïàäåíèþ

/// íà äðóãèõ ïðîòåñòèðîâàòü íåò âîçìîæíîñòè

#if defined(__AVR_ATmega2560__)

void TTimerList::Init()

{

byte oldSREG = SREG;

cli();

TCCR0A = TCCR0A & 0b11111100;

OCR0A = TIMER0_ONE_MS;

TIMSK0 |= 0x3;

TIFR0 = TIFR0 | 0x2;

SREG = oldSREG;

}

#elif defined(__AVR_ATmega328P__)

void TTimerList::Init()

{

byte oldSREG = SREG;

cli();

TCCR0A = TCCR0A & 0b11111100;

OCR0A = TIMER0_ONE_MS;

TIMSK0 |= 0x3;

TIFR0 = TIFR0 | 0x2;

SREG = oldSREG;

}

#elif defined(__AVR_ATMEGA8__)

void TTimerList::Init()

{

byte oldSREG = SREG;

cli();

TCCR1A = 0; TCCR1B = 2;

TCNT1 = 0;

OCR1A = _1MSCONST;

TCCR1B |= (1 << WGM12);

// TCCR1B |= (1 << CS11) | (1 << CS10);

TIMSK1 |= (1 << OCIE1A);

SREG = oldSREG;

}

#endif

TTimerList::TTimerList()

{

count = 0;

for (byte i = 0; i < MAXTIMERSCOUNT; i++) // ïåðâîíà÷àëüíàÿ èíèöèàëèçàöèÿ, çàïîëíåíèå ñïèñêà íóëÿìè

{

Items[i].CallingFunc = NULL;

Items[i].InitCounter = 0;

Items[i].WorkingCounter = 0;

Items[i].Active = false;

}

active = false;

}

THandle TTimerList::Add(PVoidFunc AFunc, long timeMS)

{

for (THandle i = 0; i < MAXTIMERSCOUNT; i++)

{

if (Items[i].CallingFunc == NULL) // ïðîáåãàåìñÿ ïî ñïèñêó òàéìåðîâ

{ // åñëè íàøëè ïóñòóþ äûðêó, äîáàâëÿåì òàéìåð

byte sreg = SREG; cli();

Items[i].CallingFunc = AFunc;

Items[i].InitCounter = timeMS;

Items[i].WorkingCounter = timeMS;

Items[i].Active = true;

count++;

if (NOT active) AllStart();

SREG = sreg;

return i;

}

}

return 0xFF; // åñëè íåò - âåðíåì êîä àøûïêè (-1)

}

THandle TTimerList::AddSeconds(PVoidFunc AFunc, word timeSec)

{

return Add(AFunc, 1000L*timeSec); // îíàëîãè÷íî äëÿ ñåêóíä

}

THandle TTimerList::AddMinutes(PVoidFunc AFunc, word timeMin)

{

return Add(AFunc, timeMin*60L*1000L); // îíàëîãè÷íî äëÿ ìèíóò

}

bool TTimerList::CanAdd() const

{

for (byte i = 0; i < MAXTIMERSCOUNT; i++)

{

if (Items[i].CallingFunc != NULL) continue; // åñëè â ñïèñêå åñòü ïóñòûå ìåñòà, êóäà ìîæíî äîáàâèòü òàéìåð

return true; // âåðíåì true

}

return false; // åñëè íåò - òî false

}

bool TTimerList::IsActive() const

{

return active; // åñëè õîòü îäèí òàéìåð àêòèâåí, âåðíåò true, åñëè âñå îñòàíîâëåíû - false

}

void TTimerList::Delete(THandle hnd) // óäàëèòü òàéìåð ñ õýíäëîì hnd.

{

if (InRange(hnd, 0, MAXTIMERSCOUNT - 1))

{

byte sreg = SREG; cli();

Items[hnd].CallingFunc = NULL;

Items[hnd].InitCounter = 0;

Items[hnd].WorkingCounter = 0;

Items[hnd].Active = false;

if (count > 0) count--;

if (count==0) AllStop(); // åñëè âñå òàéìåðû óäàëåíû, îñòàíîâèòü è öèêë ïåðåáîðà òàéìåðîâ

SREG = sreg;

}

}

/// ýòà ôóíêöèÿ âûçûâàåòñÿ ïðè àïïàðàòíîì ñðàáàòûâàíèè òàéìåðà êàæäóþ ìèëëèñåêóíäó

/// çàïóñêàÿ öèêë äåêðåìåíòà èíòåðâàëîâ ñðàáàòûâàíèÿ

void TTimerList::Step(void)

{

if (NOT active) return; // åñëè âñå òàéìåðû îñòàíîâëåíû, òî è ñìûñëà íåò

byte _sreg = SREG; // çàïîìíèì ñîñòîÿíèå ïðåðûâàíèé

// ñîïñíî ðàáî÷èé öèêë

for (THandle i = 0; i < MAXTIMERSCOUNT; i++) // ïðîáåãàåì ïî âñåìó ñïèñêó òàéìåðîâ

{

cli(); // ÷òîá íèêòî íå ïîìåøàë èçìåíèòü èíòåðâàëû, çàïðåùàåì ïðåðûâàíèÿ

if (Items[i].CallingFunc == NULL) continue; // åñëè ôóíêöèÿ-îáðàáî÷÷èê íå íàçíà÷åíà, óõîäèì íà ñëåäóþùèé öèêë

if (NOT Items[i].Active) continue; // åñëè òàéìåð îñòàíîâëåí - òîæå

if (--Items[i].WorkingCounter > 0) continue; // óìåíüøàåì íà 1 ðàáî÷èé ñ÷åò÷èê

Items[i].WorkingCounter = Items[i].InitCounter; // è çàïèñûâàåì â ðàáî÷èé ñ÷åò÷èê íà÷àëüíîå çíà÷åíèå äëÿ ñ÷åòà ñíà÷àëà

sei();

Items[i].CallingFunc(); // åñëè äîñòèã 0, âûçûâàåì ôóíêöèþ-îáðàáîò÷èê

}

SREG = _sreg; // òåïåðü è ïðåðûâàíèÿ ìîæíî âîññòàíîâèòü êàê áûëî

}

void TTimerList::AllStart()

{

if (NOT active) Init(); // ïðè äîáàâëåíèè ïåðâîãî òàéìåðà, èíèöèàëèçèðóåì àïïàðàòíûé òàéìåð

active = true;

}

void TTimerList::AllStop()

{

active = false; // îñòàíîâèòü âñå òàéìåðû

}

void TTimerList::TimerStop(THandle hnd)

{

if (InRange(hnd, 0, MAXTIMERSCOUNT-1))

{

Items[hnd].Active = false; // îñòàíîâèòü òàéìåð íîìåð hnd

}

}

bool TTimerList::TimerActive(THandle hnd)

{

if (NOT InRange(hnd, 0, MAXTIMERSCOUNT - 1)) return false;

else return Items[hnd].Active;

}

void TTimerList::TimerStart(THandle hnd) // çàïóñòèòü îñòàíîâëåííûé òàéìåð íîìåð hnd

{

if (isValid(hnd))

{

if (Items[hnd].Active) return;

byte old = SREG;

cli();

Items[hnd].WorkingCounter = Items[hnd].InitCounter; // è íà÷àòü îòñ÷åò èíòåðâàëà ñíà÷àëà

Items[hnd].Active = true;

SREG = old;

}

}

void TTimerList::TimerResume(THandle hnd) // ïðîäîëæèòü ñ÷¸ò òàéìåðà ïîñëå ïàóçû

{

if (isValid(hnd)) Items[hnd].Active = true;

}

void TTimerList::TimerPause(THandle hnd) // ïîñòàâèòü òàéìåð íà ïàóçó

{

if (isValid(hnd)) Items[hnd].Active = false;

}

bool TTimerList::isValid(THandle hnd) // private ôóíêöèÿ, cíàðóæè íå âèäíà

{

return (InRange(hnd, 0, MAXTIMERSCOUNT) AND (Items[hnd].CallingFunc != NULL));

}

void TTimerList::TimerNewInterval(THandle hnd, long newinterval) // íàçíà÷èòü òàéìåðó íîâûé èíòåðâàë

{

if (isValid(hnd))

{

TimerStop(hnd);

Items[hnd].InitCounter = newinterval;

TimerStart(hnd);

}

}

#if defined(__AVR_ATMEGA8__)

ISR(TIMER1_COMPA_vect)

{

OCR1A = _1MSCONST;

TimerList.Step();

}

#else

ISR(TIMER0_COMPA_vect)

{

TCNT0 = 0xFF;

TimerList.Step();

}

#endif

ISR(PCINT0_vect)

{

}