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peteralieb |
/*
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@LICENSE@
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*/
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package edu.byu.cc.plieber.fpgaenet.debug.llparse;
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/**
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* This class is used to keep track of the location of a symbol
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* (flip-flop or RAM) in the readback bitstream. This is mainly used
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* by {@link Virtex2ToJHDLSyms} and {@link RBSym} objects.
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*
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* @author Paul Graham */
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public class RBLocation {
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/** Holds the readback bitstream absolute offset. */
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public int offset;
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/** Holds the readback bitstream frame number. */
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public int frame;
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/** Holds the readback bitstream frame offset. */
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public int frameOffset;
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/**
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* Constructs an object, setting the <code>frame</code> and
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* <code>frameOffset</code> to the illegal values of -1 */
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public RBLocation() {
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offset = -1;
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frame = -1;
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frameOffset = -1;
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}
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/**
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* Constructs an object, copying the values of an existing
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* <code>RBLocation</code> object to the new object.
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*
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* @param rbloc The RBLocation object to copy. */
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public RBLocation(RBLocation rbloc) {
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offset = rbloc.offset;
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frame = rbloc.frame;
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frameOffset = rbloc.frameOffset;
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}
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/**
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* Constructs an object by directly setting the frame and frame
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* offset based on its parameters.
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*
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* @deprecated See {@link RBLocation#RBLocation(int,int,int)}
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*
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* @param newFrame An integer representing the frame number for a
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* bit in the readback bitstream.
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*
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* @param newFrameOffset An integer representing the frame offset
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* for a bit in the readback bitstream. */
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public RBLocation(int newFrame, int newFrameOffset) {
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offset = -1;
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frame = newFrame;
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frameOffset = newFrameOffset;
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}
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/**
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* Constructs an object by directly setting the frame and frame
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* offset based on its parameters.
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* @param newFrame An integer representing the absolute offset for a
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* bit in the readback bitstream.
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*
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* @param newFrame An integer representing the frame number for a
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* bit in the readback bitstream.
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*
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* @param newFrameOffset An integer representing the frame offset
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* for a bit in the readback bitstream. */
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public RBLocation(int newOffset, int newFrame, int newFrameOffset) {
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offset = newOffset;
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frame = newFrame;
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frameOffset = newFrameOffset;
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}
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/**
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* Sets the frame and frame offset based on its parameters.
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*
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* @deprecated See {@link RBLocation#setLocation(int,int,int)}
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*
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* @param newFrame An integer representing the frame number for a
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* bit in the readback bitstream.
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*
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* @param newFrameOffset An integer representing the frame offset
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* for a bit in the readback bitstream. */
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public void setLocation(int newFrame, int newFrameOffset) {
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offset = -1;
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frame = newFrame;
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frameOffset = newFrameOffset;
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}
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/**
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* Sets the frame and frame offset based on its parameters.
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*
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* @param newOffset An integer representing the absolute offset for
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* a bit in the readback bitstream.
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*
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* @param newFrame An integer representing the frame number for a
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* bit in the readback bitstream.
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*
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* @param newFrameOffset An integer representing the frame offset
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* for a bit in the readback bitstream. */
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public void setLocation(int newOffset, int newFrame, int newFrameOffset) {
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offset = newOffset;
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frame = newFrame;
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frameOffset = newFrameOffset;
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}
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/**
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* Returns a <code>String</code> describing the frame and frame
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* offset for a bit in the readback bitstream.
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*
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* @return A <code>String</code> describing the frame and frame
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* offset for a bit in the readback bitstream. */
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public String toString() {
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return "Offset: "+offset+" Frame: "+frame+" FrameOffset: "+frameOffset;
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}
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}
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