2e25ad3da4
Replaced ` with clean degree symbol in standard font & arial 8 Removed temp offset from fuel cal screen GUI alignment tweaks to avoid cutoffs Better handling of single DS18B20 with BME280 Added bounds limits to Exponential Mean Sorted inheritance from CSensor properly
91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
/*
|
|
* This file is part of the "bluetoothheater" distribution
|
|
* (https://gitlab.com/mrjones.id.au/bluetoothheater)
|
|
*
|
|
* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "DataFilter.h"
|
|
#include <math.h>
|
|
#include "macros.h"
|
|
|
|
CExpMean::CExpMean()
|
|
{
|
|
reset(0);
|
|
setAlpha(0.95);
|
|
setRounding(0.1);
|
|
setBounds(0, 0);
|
|
}
|
|
|
|
void
|
|
CExpMean::reset(float val)
|
|
{
|
|
_bFresh = true;
|
|
_val = val;
|
|
}
|
|
|
|
void
|
|
CExpMean::update(float val)
|
|
{
|
|
bool boundsOK = INBOUNDS(val, bounds.lower, bounds.upper);
|
|
if(bounds.lower == 0 && bounds.upper == 0)
|
|
boundsOK = true; // if bounds were not defined
|
|
|
|
if(boundsOK) {
|
|
if(_bFresh) {
|
|
_val = val;
|
|
_bFresh = false;
|
|
}
|
|
|
|
_val = _val * _Alpha + val * (1-_Alpha);
|
|
}
|
|
}
|
|
|
|
float
|
|
CExpMean::getValueRaw() const
|
|
{
|
|
return _val;
|
|
}
|
|
|
|
float
|
|
CExpMean::getValue() const
|
|
{
|
|
int round = int(_val * _roundingRecip + 0.5);
|
|
return float(round) * _rounding;
|
|
}
|
|
|
|
void
|
|
CExpMean::setRounding(float val)
|
|
{
|
|
if(val > 0) {
|
|
_rounding = val;
|
|
_roundingRecip = 1.0 / val; // divides are expensive, prep!
|
|
}
|
|
}
|
|
|
|
void
|
|
CExpMean::setAlpha(float val)
|
|
{
|
|
_Alpha = val;
|
|
}
|
|
|
|
void
|
|
CExpMean::setBounds(float lower, float upper)
|
|
{
|
|
bounds.lower = lower;
|
|
bounds.upper = upper;
|
|
} |