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[/] [ethmac10g/] [tags/] [V10/] [rtl/] [verilog/] [rx_engine/] [rxNumCounter.v] - Rev 72
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////////////////////////////////////////////////////////////////////// //// //// //// MODULE NAME: rxNumCounter //// //// //// //// DESCRIPTION: To count bytes have been received. //// //// //// //// //// //// This file is part of the 10 Gigabit Ethernet IP core project //// //// http://www.opencores.org/projects/ethmac10g/ //// //// //// //// AUTHOR(S): //// //// Zheng Cao //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (c) 2005 AUTHORS. All rights reserved. //// //// //// //// 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; //// //// either version 2.1 of the License, or (at your option) any //// //// later version. //// //// //// //// 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. //// //// //// //// You should have received a copy of the GNU Lesser General //// //// Public License along with this source; if not, download it //// //// from http://www.opencores.org/lgpl.shtml //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS REVISION HISTORY: // // $Log: not supported by cvs2svn $ // Revision 1.1 2005/12/25 16:43:10 Zheng Cao // // // ////////////////////////////////////////////////////////////////////// `include "timescale.v" `include "xgiga_define.v" module rxNumCounter(rxclk, reset, receiving, frame_cnt); input rxclk; //receive clk input reset; //globe reset input receiving; //start to count data field output[`COUNTER_WIDTH-1:0] frame_cnt; parameter TP =1; // Data counter // used in rxReceiveData field, // this counter is used for frames whose length is larger than 64 // Of course it also count actual bytes of frames whose length is shorter than 64. counter data_counter(.clk(rxclk), .reset(reset), .load(~receiving), .en(receiving), .value(frame_cnt)); defparam data_counter.WIDTH = `COUNTER_WIDTH; endmodule