accessor.cpp revision 12855:588919e0e4aa
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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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6  Accellera licenses this file to you under the Apache License, Version 2.0
7  (the "License"); you may not use this file except in compliance with the
8  License.  You may obtain a copy of the License at
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10    http://www.apache.org/licenses/LICENSE-2.0
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12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
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15  implied.  See the License for the specific language governing
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19
20/*****************************************************************************
21
22  accessor.cpp --
23
24  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
32
33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38/* Filename accessor.cc */
39/* This is the implementation file for synchronous process 'accessor' */
40
41#include "accessor.h"
42
43void accessor::entry()
44{
45  int addr;
46  int datao;
47  int datai;
48
49  addr = 10;
50  datao = 0xdeadbeef;
51
52  while (true) {
53    // Write memory location first
54    chip_select.write(true);
55    write_enable.write(true);
56    address.write(addr);
57    dataout.write(datao);
58    cout << "Accessor: Data Written = " << hex << datao << " at address "
59         << hex << addr << endl;
60    wait(); // To make all the outputs appear at the interface
61
62    // some process functionality not shown here during which chip
63    // chip select is deasserted
64    chip_select.write(false);
65    dataout.write(0);
66    wait();
67
68    // Now read memory location
69    chip_select.write(true);
70    write_enable.write(false);
71    address.write(addr);
72    wait(); // To make all the outputs appear at the interface
73
74    datai = datain.read().to_int();
75    cout << "Accessor: Data Read = " << hex << datai << " from address "
76         << hex << addr << endl;
77    chip_select.write(false);
78    wait();
79
80    addr++;
81    datao++;
82  }
83} // end of entry function
84
85