/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: ResistorCurrent.java
* Written by Tom O'Neill, Sun Microsystems.
*
* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
*
* Electric(tm) 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.
*
* Electric(tm) 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 Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.tool.simulation.test;
/**
* Infers current through a resistor from a voltage measurement, implements
* <code>CurrentReadable</code>.
*/
public class ResistorCurrent implements CurrentReadable {
/** Resistance in Ohms */
public float ohms;
/** Readout of voltage across resistor */
public VoltageReadable voltmeter;
/**
* Create object to indirectly measure current through a resistor.
*
* @param ohms Resistance in Ohms
* @param voltmeter Readout of voltage across resistor
*/
public ResistorCurrent(float ohms, VoltageReadable voltmeter) {
super();
this.ohms = ohms;
this.voltmeter = voltmeter;
}
/**
* Returns voltage across resistor divided by resistance.
*
* @return current through the resistor
* @see com.sun.electric.tool.simulation.test.CurrentReadable#readCurrent()
*/
public float readCurrent() {
return voltmeter.readVoltage()/ohms;
}
/**
* Returns voltage across resistor divided by resistance.
*
* @return current through the resistor
* @see com.sun.electric.tool.simulation.test.CurrentReadable#readCurrent()
*/
public float readCurrent(float ampsExpected, float ampsResolution) {
Infrastructure.fatal("NOt implemented yet");
return 0.f;
}
/** Unit test */
public static void main(String[] args) {
}
}