GY-63_MS5611/libraries/rain/rain.cpp
2023-01-20 17:42:39 +01:00

156 lines
2.4 KiB
C++

//
// FILE: rain.cpp
// AUTHOR: Rob Tillaart
// VERSION: 0.1.3
// DATE: 2021-12-03
// PURPOSE: Arduino library for a rain sensor
// URL: https://github.com/RobTillaart/RAIN
// https://www.tinytronics.nl/shop/nl/sensoren/vloeistof/regensensor
#include "rain.h"
RAIN::RAIN(uint8_t analogPort, uint8_t powerPin)
{
_analogPort = analogPort;
_powerPin = powerPin;
_maxVoltage = 5;
_maxSteps = 1023;
_dryRefVoltage = _maxVoltage;
}
bool RAIN::begin(float maxVoltage, uint16_t maxSteps)
{
_maxVoltage = maxVoltage;
_maxSteps = maxSteps;
_mVstep = _maxVoltage / _maxSteps;
_dryRefVoltage = _maxVoltage;
if (_powerPin != 255)
{
pinMode(_powerPin, OUTPUT);
powerOn();
}
read();
return true;
}
float RAIN::raw(uint8_t times)
{
if (times == 0) times = 1;
float sum = 0;
powerOn();
for (int i = 0; i < times; i++)
{
sum += analogRead(_analogPort);
}
powerOff();
if (times > 1) sum /= times;
return sum;
}
float RAIN::read(uint8_t times)
{
_previous = _voltage;
_voltage = raw(times) * _mVstep;
return _voltage;
}
//////////////////////////////////////////////////////////////////
//
// ANALYSIS
//
void RAIN::setDryReference(float dryRef)
{
_dryRefVoltage = dryRef;
}
float RAIN::getDryReference()
{
return _dryRefVoltage;
}
float RAIN::percentage()
{
float perc = 100.0 - (_voltage * 100.0 / _dryRefVoltage);
if (perc < 0) perc = 0;
return perc;
}
float RAIN::delta()
{
return _voltage - _previous;
}
//////////////////////////////////////////////////////////////////
//
// LEVEL
//
bool RAIN::setLevel(uint8_t nr, uint16_t milliVolts)
{
if (nr == 0) return false;
if (nr > 4) return false;
_level[nr] = milliVolts;
return true;
}
uint8_t RAIN::getLevel()
{
uint16_t value = _voltage * 1000;
for (int index = 4; index > 0; index--)
{
if (value >= _level[index]) return index;
}
return 0;
}
//////////////////////////////////////////////////////////////////
//
// POWER
//
void RAIN::powerOn()
{
if (_powerPin != 255)
{
digitalWrite(_powerPin, HIGH);
delayMicroseconds(_powerDelay); // time to stabilize, adjust if needed.
}
}
void RAIN::powerOff()
{
if (_powerPin != 255)
{
digitalWrite(_powerPin, LOW);
}
}
void RAIN::setPowerDelay(uint8_t powerDelay)
{
_powerDelay = powerDelay;
}
uint8_t RAIN::getPowerDelay()
{
return _powerDelay;
}
// -- END OF FILE --