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              ////

////                                                             ////

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

OUTFILE PREFIX_MAC_NUMserial_TOPO.v

ITER CX COEFF_NUM

ITER MX MAC_NUM

ITER DX SON_DELAY

//  Built In Parameters:

//  

//    Filter Order              = ORDER

//    Input Precision           = DIN_BITS

//    Coefficient Precision     = COEFF_BITS

//    Sum of Products Latency   = LATENCY

//    Number of serial FIR sons = MAC_NUM

//    Number of multiplayers    = MAC_NUM

module PREFIX_MAC_NUMserial_TOPO (PORTS);

    input clk;

    input reset;

    input clken;

        input  [EXPR(COEFF_BITS-1):0] kCX;

        input  [EXPR(DIN_BITS-1):0] data_in;

        output [EXPR(DOUT_BITS-1):0] data_out;

        output valid;

        wire [EXPR(DIN_BITS-1):0] data_inMX;

    wire [EXPR(SON_DOUT-1):0] data_outMX;

        wire validMX;

        wire null;

        //delay inputs per son

    assign data_in0 = data_in;

    CREATE prgen_delayN.v DEFCMD(SWAP CONST(DELAY) SON_DELAY) DEFCMD(DEFINE CLKEN)

    prgen_delaySON_DELAY_en #(DIN_BITS) delay_dinMX (clk, reset, clken, data_inMX, data_inEXPR(MX+1));

        STOMP LINE

        //the FIR sons

LOOP MX MAC_NUM

        CREATE fir_serial.v def_fir_basic.txt DEFCMD(SWAP CONST(ORDER) EXPR(SON_DELAY-1)) DEFCMD(SWAP CONST(COEFF_BITS) COEFF_BITS) DEFCMD(SWAP CONST(DIN_BITS) DIN_BITS)

    PREFIX_serial_EXPR(SON_DELAY-1)_INPUT_BITS PREFIXMX

                                                                (

                                                                .clk(clk),

                                                                .reset(reset),

                                                                .clken(clken),

                                                                .kDX(kEXPR((MX*SON_DELAY)+DX)) ,

                                                                .data_in(data_inMX),

                                                                .data_out(data_outMX),

                                                                .valid(validMX)

                                                                );

ENDLOOP MX

        //Pipline the output additions  

        CREATE prgen_bintree_adder.v DEFCMD(SWAP INPUT_NUM MAC_NUM)

        prgen_bintree_adder_MAC_NUM #(SON_DOUT) prgen_bintree_adder

                (

                .clk(clk),

                .reset(reset),

                .data_inMX(data_outMX),

IF TRUE(ADD_DOUT!=DOUT_BITS) .data_out({null, data_out}),

IF TRUE(ADD_DOUT==DOUT_BITS) .data_out(data_out),

                .valid_in(valid0),

                .valid_out(valid)

                );

endmodule