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60 lines
1.9 KiB
C++

/*
* Copyright (C) 2012 Southern Storm Software, Pty Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef Charlieplex_h
#define Charlieplex_h
#include <inttypes.h>
class Charlieplex
{
public:
Charlieplex(const uint8_t *pins, uint8_t numPins);
~Charlieplex();
int count() const { return _count; }
bool led(int index) const { return _values[index] != 0; }
void setLed(int index, bool value) { _values[index] = (value ? 255 : 0); }
uint8_t pwmLed(int index) const { return _values[index]; }
void setPwmLed(int index, uint8_t value) { _values[index] = value; }
unsigned long holdTime() const { return _holdTime; }
void setHoldTime(unsigned long us) { _holdTime = us; }
void loop();
void refresh();
private:
int _count;
uint8_t *_pins1;
uint8_t *_pins2;
uint8_t *_values;
unsigned long _holdTime;
unsigned long _lastTime;
int _currentIndex;
uint8_t _pwmPhase;
};
#endif