Omitted DataFilter.cpp &DataFilter.h

src/Afterburner/src/Utility/DataFilter.cpp

@@ -0,0 +1,76 @@
+/*
+ * 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>
+
+CExpMean::CExpMean()
+{
+  reset(0);
+  setAlpha(0.95);
+  setRounding(0.1);
+}
+
+void
+CExpMean::reset(float val)
+{
+  _bFresh = true;
+  _val = val;
+}
+
+void 
+CExpMean::update(float val)
+{
+  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;
+}

src/Afterburner/src/Utility/DataFilter.h

@@ -0,0 +1,49 @@
+/*
+ * 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/>.
+ * 
+ */
+
+#ifndef __BTC_DATAFILTER_H__
+#define __BTC_DATAFILTER_H__
+
+class CExpMean {
+  float _val;
+  bool _bFresh;
+  float _Alpha;
+  float _rounding;
+  float _roundingRecip;
+public:
+  CExpMean();
+  void  reset(float val);
+  void  update(float val);
+  void  setRounding(float val);
+  void  setAlpha(float val);
+  float getValue() const;
+  float getValueRaw() const;
+};
+
+struct sFilteredData {
+  CExpMean ipVolts;
+  CExpMean GlowVolts;
+  CExpMean GlowAmps;
+  CExpMean Fan;
+  CExpMean AmbientTemp;
+};
+
+#endif