68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * *
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Code by Simon Monk
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http://www.simonmonk.org
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef Timer_h
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#define Timer_h
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#include <inttypes.h>
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#include "Event.h"
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#define MAX_NUMBER_OF_EVENTS (10)
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#define TIMER_NOT_AN_EVENT (-2)
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#define NO_TIMER_AVAILABLE (-1)
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class Timer
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{
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public:
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Timer(void);
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int8_t every(unsigned long period, void (*callback)(void));
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int8_t every(unsigned long period, void (*callback)(void), int repeatCount);
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int8_t after(unsigned long duration, void (*callback)(void));
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int8_t oscillate(uint8_t pin, unsigned long period, uint8_t startingValue);
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int8_t oscillate(uint8_t pin, unsigned long period, uint8_t startingValue, int repeatCount);
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/**
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* This method will generate a pulse of !startingValue, occuring period after the
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* call of this method and lasting for period. The Pin will be left in !startingValue.
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*/
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int8_t pulse(uint8_t pin, unsigned long period, uint8_t startingValue);
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/**
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* This method will generate a pulse of pulseValue, starting immediately and of
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* length period. The pin will be left in the !pulseValue state
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*/
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int8_t pulseImmediate(uint8_t pin, unsigned long period, uint8_t pulseValue);
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void stop(int8_t id);
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void update(void);
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void update(unsigned long now);
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protected:
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Event _events[MAX_NUMBER_OF_EVENTS];
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int8_t findFreeEventIndex(void);
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};
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#endif
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