/**
     * @return
     */
    protected int pad ( int offset ) {
        int p = offset % getPadding();
        if ( p == 0 ) {
            return 0;
        }
        return getPadding() - p;
    }


    /**
     * 
     * @return padding size
     */
    public int getPadding () {
        return PADDING_SIZE;
    }


    @Override

        this.totalDataCount = 0;
        this.maxParameterCount = 4;
        this.maxDataCount = 65536;
        this.maxSetupCount = (byte) 0x00;
    }


    @Override
    public int getPadding () {
        return 4;
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override

     */
    @Override
    public void setFileId ( byte[] fileId ) {
        this.fileId = fileId;
    }


    /**
     * @param padding
     *            the padding to set
     */
    public void setPadding ( byte padding ) {
        this.padding = padding;
    }


    /**
     * @param readFlags
     *            the readFlags to set
     */
    public void setReadFlags ( byte readFlags ) {