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[/] [systemverilog-uart16550/] [trunk/] [rtl/] [fifo_package.sv] - Blame information for rev 8

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1 2 hiroshi
/* *****************************************************************************
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   * title:         uart_16550_rll module                                      *
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   * description:   RS232 Protocol 16550D uart (mostly supported)              *
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   * languages:     systemVerilog                                              *
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   *                                                                           *
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   * Copyright (C) 2010 miyagi.hiroshi                                         *
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   *                                                                           *
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   * This library is free software; you can redistribute it and/or             *
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   * modify it under the terms of the GNU Lesser General Public                *
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   * License as published by the Free Software Foundation; either              *
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   * version 2.1 of the License, or (at your option) any later version.        *
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   *                                                                           *
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   * This library is distributed in the hope that it will be useful,           *
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   * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
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   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
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   * Lesser General Public License for more details.                           *
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   *                                                                           *
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   * You should have received a copy of the GNU Lesser General Public          *
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   * License along with this library; if not, write to the Free Software       *
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   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111*1307  USA *
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   *                                                                           *
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   *         ***  GNU LESSER GENERAL PUBLIC LICENSE  ***                       *
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   *           from http://www.gnu.org/licenses/lgpl.txt                       *
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   *****************************************************************************
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   *                            redleaflogic,ltd                               *
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   *                    miyagi.hiroshi@redleaflogic.biz                        *
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   *          $Id: fifo_package.sv 108 2010-03-30 02:56:26Z hiroshi $         *
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   ***************************************************************************** */
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package fifo_package ;
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`ifdef SYN
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 /* empty */
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`else
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   timeunit      1ps ;
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   timeprecision 1ps ;
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`endif
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   // -- read for manual -> 4.4 FIFO Control Register (FCR)
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   // -- almost trgger level --
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   localparam LEVEL_1 = 5'h1 ;
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   localparam LEVEL_2 = 5'h4 ;
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   localparam LEVEL_3 = 5'h8 ;
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   localparam LEVEL_4 = 5'hE ;
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   typedef  struct {
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                     logic [10:0] mem [0:15] ;
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                     logic [0:0]  err [0:15] ;
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                     logic [3:0]  write_pointer ;
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                     logic [3:0]  read_pointer ;
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                     logic        full ;
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                     logic        almost_full ;
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                     logic        empty ;
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                     } u_fifo_t ;
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endpackage : fifo_package

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