GY-63_MS5611/libraries/PIR/PIR.h
Rob Tillaart 223fbfe938 0.1.3 PIR
2023-11-15 11:53:10 +01:00

80 lines
1.4 KiB
C++

#pragma once
//
// FILE: PIR.h
// AUTHOR: Rob Tillaart
// VERSION: 0.1.3
// DATE: 2022-08-13
// PURPOSE: PIR library
// URL: https://github.com/RobTillaart/PIR
#include "Arduino.h"
#define PIR_LIB_VERSION (F("0.1.3"))
//
#define PIR_OK 0x00
#define PIR_ERR_NO_SENSOR 0xFF
#define PIR_ERR_ARRAY_FULL 0xFE
#define PIR_ERR_INDEX 0xFD
class PIR
{
public:
PIR();
// adds a pin to the set
// returns the index or PIR_ARRAY_FULL
uint8_t add(uint8_t pin);
// returns number of PIR sensors added.
uint8_t count();
// MULTI PIN INTERFACE
// read all PIR sensors in the set
// returns a mask of HIGH / LOW values.
// not used slots will return 0.
uint8_t read();
// returns last values read (bit mask) with read().
uint8_t lastValue();
// returns bit mask of changed pins since last read().
// updates lastValue().
uint8_t changed();
// SINGLE PIN INTERFACE
// read a specific PIR, faster than read() above.
// returns 0 or 1. (in fact just a digitalRead(pin).
// does not affect lastValue()
uint8_t read(uint8_t index);
protected:
uint8_t _pins[8] = {0,0,0,0, 0,0,0,0};
uint8_t _count = 0;
uint8_t _lastValue = 0;
};
// PIR16 or dynamic memory in base class
//
// class PIR16 : public PIR // MEGA
// {
// static array of pins[16].
// }
//
// class PIR
// {
// PIR(uint8_t size = 4);
// ...
// }
// -- END OF FILE --