Subversion Repositories robust_fir

<##//////////////////////////////////////////////////////////////////

////                                                             ////

////  Author: Eyal Hochberg                                      ////

////          eyal@provartec.com                                 ////

////                                                             ////

////  Downloaded from: http://www.opencores.org                  ////

/////////////////////////////////////////////////////////////////////

////                                                             ////

//// Copyright (C) 2010 Provartec LTD                            ////

//// www.provartec.com                                           ////

//// info@provartec.com                                          ////

////                                                             ////

//// This source file may be used and distributed without        ////

//// restriction provided that this copyright statement is not   ////

//// removed from the file and that any derivative work contains ////

//// the original copyright notice and the associated disclaimer.////

////                                                             ////

//// This source file is free software; you can redistribute it  ////

//// and/or modify it under the terms of the GNU Lesser General  ////

//// Public License as published by the Free Software Foundation.////

////                                                             ////

//// This source 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 Lesser General Public License for more////

//// details. http://www.gnu.org/licenses/lgpl.html              ////

////                                                             ////

//////////////////////////////////////////////////////////////////##>

REQUIRE(1.5)

INCLUDE def_fir_basic.txt

SWAP.GLOBAL   #FFD    #1        ##Flip-Flop simulation delay

##check all input parameters have been given

CHECK CONST(ORDER)

CHECK CONST(COEFF_BITS)

CHECK CONST(DIN_BITS)

CHECK CONST(MAC_NUM)

IFDEF MAC_EQ(1)

  SWAP ARCH serial

  SWAP LATENCY 1

ELSE MAC_EQ(1)

  IFDEF MAC_EQ(COEFF_NUM)

    SWAP ARCH parallel

    SWAP LATENCY ADD_STAGES

  ELSE MAC_EQ(COEFF_NUM)

    SWAP ARCH Nserial

    SWAP LATENCY EXPR(LOG2(EXPR(COEFF_NUM/MAC_NUM))+1)

  ENDIF MAC_EQ(COEFF_NUM)

ENDIF MAC_EQ(1)