android: AndrOBD library vendored (no submodule, no git link)

android/library/com/fr3ts0n/ecu/NumericConversion.java

@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2015 by fr3ts0n <erwin.scheuch-heilig@gmx.at>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+package com.fr3ts0n.ecu;
+
+import java.util.logging.Logger;
+
+/**
+ * Base class for numeric diagnostic data conversions
+ *
+ * @author erwin
+ */
+public abstract class NumericConversion implements Conversion
+{
+	/** fixed serial version id  */
+	private static final long serialVersionUID = 5506104864792893549L;
+	/** Logger object */
+	static final Logger log = Logger.getLogger("data.ecu");
+
+	/** physical units of data item */
+	String units = "";
+
+	@Override
+	public String physToPhysFmtString(Number physVal, String format)
+	{
+		return String.format(format, physVal);
+	}
+
+	NumericConversion()
+	{
+	}
+
+	/**
+	 * return physical units of measurement
+	 *
+	 * @return physical units
+	 */
+	public String getUnits()
+	{
+		return units;
+	}
+
+	/**
+	 * convert measurement item from storage format to physical value
+	 *
+	 * @param value       memory value
+	 * @param numDecimals number of decimal for string formatting of numbers
+	 * @return string representation of numeric value
+	 */
+	public String memToString(Number value, int numDecimals)
+	{
+		String fmt = "%." + numDecimals + "d";
+		return physToPhysFmtString(memToPhys(value.longValue()), fmt);
+	}
+
+	/**
+	 * convert measurement item from storage format to physical value
+	 *
+	 * @param value raw memory value to be converted
+	 */
+	public abstract Number memToPhys(long value);
+
+	/**
+	 * convert measurement item from physical value to raw storage format
+	 *
+	 * @param value physical value to be converted
+	 */
+	public abstract Number physToMem(Number value);
+
+}