bert_config.v

这是用于xilinx virtex-2 pro产品的误码仪方案verilog HDL代码

///////////////////////////////////////////////////////////////////////////////
//
//    File Name:  BERT_CONFIG.v
//      Version:  2.2
//         Date:  05/14/03
//        Model:  Wrapper for the BERT's compile-time configuration values.
//
//      Company:  Xilinx, Inc.
//  Contributor:  Mike Matera
//
//   Disclaimer:  XILINX IS PROVIDING THIS DESIGN, CODE, OR
//                INFORMATION "AS IS" SOLELY FOR USE IN DEVELOPING
//                PROGRAMS AND SOLUTIONS FOR XILINX DEVICES.  BY
//                PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
//                ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE,
//                APPLICATION OR STANDARD, XILINX IS MAKING NO
//                REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
//                FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE
//                RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY
//                REQUIRE FOR YOUR IMPLEMENTATION.  XILINX
//                EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH
//                RESPECT TO THE ADEQUACY OF THE IMPLEMENTATION,
//                INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR
//                REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
//                FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES
//                OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
//                PURPOSE.
//
//                (c) Copyright 2003 Xilinx, Inc.
//                All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////



//-------------------------------------------------------------
//
// Constant Summary (by Module):
//
//
// PatternGenerator
//-------------------------------------------------------------
//
//   WITH_51
//     Defined enables the ITU-T-0.150 Section 5.1 PRBS
//     DEFAULT: defined
//
//   WITH_52
//     Defined enables the ITU-T-0.150 Section 5.2 PRBS
//     DEFAULT: defined
//
//   WITH_53
//     Defined enables the ITU-T-0.150 Section 5.3 PRBS
//     DEFAULT: defined
//
//   WITH_54
//     Defined enables the ITU-T-0.150 Section 5.4 PRBS
//     DEFAULT: defined
//
//   WITH_55
//     Defined enables the ITU-T-0.150 Section 5.5 PRBS
//     DEFAULT: defined
//
//   WITH_56
//     Defined enables the ITU-T-0.150 Section 5.6 PRBS
//     DEFAULT: defined
//
//   WITH_57
//     Defined enables the ITU-T-0.150 Section 5.7 PRBS
//     DEFAULT: defined
//
//   WITH_58
//     Defined enables the ITU-T-0.150 Section 5.8 PRBS
//     DEFAULT: defined
//
//   WITH_TYPE1
//     Defined to instantiate Type1 LFSRs.
//
//   WITH_TYPE2
//     Defined to instantiate Type2 LFSRs.
//
//
// GigabitBER_TX
//-------------------------------------------------------------
//
//   COMMA (20-bit value)
//     The value to send as the comma word.
//     DEFAULT: 20'h3E8E1
//
//   TX_INIT_COUNTER_MSB (integer)
//     Number of bits in the init_wait counter.  This controls
//     the number of cycles to send a comma before starting
//     the PRBS.
//     DEFAULT: 19
//
//
// GigabitBER_RX
//-------------------------------------------------------------
//
//   SCIENTIFIC
//     Defined enables logic to measure the error figure.
//     DEFAULT: defined
//
//   RX_INIT_COUNTER_MSB (integer)
//     Number of bits in the comma stream counter.  This controls
//     the number of cycles that comma is received before resetting
//     the pattern follower.
//     DEFAULT: 6 
//
//   TOTAL_FRAMES_MSB (integer)
//     Number of bits in the total frames counter.  Larger values
//     allow for greater test times.
//     DEFAULT: 47
//
//   DROPPED_FRAMES_MSB: (integer)
//     Number of bits in the total frames counter.  Larger values
//     allow for measurement of higher bit error rates.
//     DEFAULT: 24
//
//-------------------------------------------------------------


//-------------------------------------------------------------
//
// Standard Values:
//   These values are defaults that should probably not
//   change without good reason!
//
//-------------------------------------------------------------

`define COMMA                  20'h3E8E1    //K28.5, D28.7
`define WITH_TYPE2             //Use Type-II LFSR

//-------------------------------------------------------------
//
// Simulation Values:
//   Values set for simulation.
//
//-------------------------------------------------------------
`ifdef XBERT_FOR_SIM_ONLY
 `define WITH_51
 `define WITH_52
 `define WITH_53
 `define WITH_54
 `define WITH_55
 `define WITH_56
 `define WITH_57
 `define WITH_58
 `define WITH_32BIT
 `define WITH_7BIT
 `define TX_INIT_COUNTER_MSB    6
 `define RX_INIT_COUNTER_MSB    5
 `define SCIENTIFIC
 `define TOTAL_FRAMES_MSB       47
 `define DROPPED_FRAMES_MSB     24
`endif
//-------------------------------------------------------------


//-------------------------------------------------------------
//
// MGT Board Values:
//
//-------------------------------------------------------------
 `ifdef XBERT_MGT_DEMO_BOARD
  `define WITH_51
  `define WITH_52
  `define WITH_53
  `define WITH_54
  `define WITH_55
  `define WITH_56
  `define WITH_57
  `define WITH_58
  `define WITH_32BIT
  `define WITH_7BIT
  `define TX_INIT_COUNTER_MSB   19  
  `define RX_INIT_COUNTER_MSB   6
  `define SCIENTIFIC    
  `define TOTAL_FRAMES_MSB      47
  `define DROPPED_FRAMES_MSB    24
 `endif
//-------------------------------------------------------------