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arduinolibs/libraries/IR/IRreceiver.h
2012-06-09 12:50:05 +10:00

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 IRreceiver_h
#define IRreceiver_h
#include <inttypes.h>
#include "RC5.h"
class IRreceiver
{
public:
explicit IRreceiver(int interruptNumber = 0);
static const int AUTO_REPEAT = 128;
int command();
int system() const { return _system; }
int systemFilter() const { return _systemFilter; }
void setSystemFilter(int system) { _systemFilter = system; }
private:
int _system;
int _systemFilter;
uint8_t pin;
bool started;
bool halfChange; // Value last changed half-way through bit cycle time.
unsigned long lastChange;
unsigned bits;
int8_t bitCount;
volatile unsigned buffer;
unsigned lastBuffer;
void handleInterrupt();
friend void _IR_receive_interrupt(void);
};
#endif