mirror of
https://github.com/taigrr/arduinolibs
synced 2025-01-18 04:33:12 -08:00
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* Copyright (C) 2012 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef ChaseLEDs_h
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#define ChaseLEDs_h
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#include <inttypes.h>
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class ChaseLEDs
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{
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public:
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ChaseLEDs(const uint8_t *pins, int num, unsigned long advanceTime);
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void loop();
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unsigned long advanceTime() const { return _advanceTime; }
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void setAdvanceTime(unsigned long advanceTime) { _advanceTime = advanceTime; }
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protected:
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virtual void advance(uint8_t prevPin, uint8_t nextPin);
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uint8_t previousPin(int n) const
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{ return _pins[(_currentIndex + _numPins - n) % _numPins]; }
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private:
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const uint8_t *_pins;
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int _numPins;
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int _currentIndex;
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unsigned long _advanceTime;
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unsigned long _lastChange;
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};
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#endif
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