86 lines
2.2 KiB
Java
86 lines
2.2 KiB
Java
/*
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* (C) Copyright 2015 by fr3ts0n <erwin.scheuch-heilig@gmx.at>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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package com.fr3ts0n.ecu;
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import java.util.logging.Logger;
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/**
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* Base class for numeric diagnostic data conversions
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*
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* @author erwin
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*/
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public abstract class NumericConversion implements Conversion
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{
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/** fixed serial version id */
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private static final long serialVersionUID = 5506104864792893549L;
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/** Logger object */
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static final Logger log = Logger.getLogger("data.ecu");
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/** physical units of data item */
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String units = "";
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@Override
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public String physToPhysFmtString(Number physVal, String format)
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{
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return String.format(format, physVal);
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}
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NumericConversion()
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{
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}
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/**
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* return physical units of measurement
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*
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* @return physical units
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*/
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public String getUnits()
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{
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return units;
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}
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/**
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* convert measurement item from storage format to physical value
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*
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* @param value memory value
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* @param numDecimals number of decimal for string formatting of numbers
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* @return string representation of numeric value
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*/
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public String memToString(Number value, int numDecimals)
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{
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String fmt = "%." + numDecimals + "d";
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return physToPhysFmtString(memToPhys(value.longValue()), fmt);
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}
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/**
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* convert measurement item from storage format to physical value
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*
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* @param value raw memory value to be converted
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*/
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public abstract Number memToPhys(long value);
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/**
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* convert measurement item from physical value to raw storage format
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*
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* @param value physical value to be converted
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*/
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public abstract Number physToMem(Number value);
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}
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