hshake1.cpp revision 12855:588919e0e4aa 
1/*****************************************************************************
2
3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements.  See the NOTICE file distributed
5  with this work for additional information regarding copyright ownership.
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
9
10    http://www.apache.org/licenses/LICENSE-2.0
11
12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
14  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
15  implied.  See the License for the specific language governing
16  permissions and limitations under the License.
17
18 *****************************************************************************/
19
20/*****************************************************************************
21
22  hshake1.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#include "systemc.h"
39
40SC_MODULE( proc1 )
41{
42  SC_HAS_PROCESS( proc1 );
43
44  sc_in_clk clk;
45
46  sc_fifo<int>& in;
47  sc_fifo<bool>& done;
48  sc_fifo<int>& out;
49  sc_fifo<bool>& ready;
50
51  // Constructor
52  proc1 ( sc_module_name NAME,
53	  sc_clock& CLOCK,
54	  sc_fifo<int>& IN_,
55	  sc_fifo<bool>& DONE,
56	  sc_fifo<int>& OUT_,
57	  sc_fifo<bool>& READY )
58    : in(IN_), done(DONE), out(OUT_), ready(READY)
59  {
60    clk(CLOCK);
61	SC_THREAD( entry );
62	sensitive << clk.pos();
63  }
64
65  void entry() {
66    ready.write(1);
67    bool done_ = done.read();
68    cout << "Done is " << done_ << endl;
69    for (int i=0; i < 100; i++) {
70      out.write(i);
71      int in_ = in.read();
72      cout << "Input is " << in_ << endl;
73    }
74    ready.write(0);
75  }
76};
77
78SC_MODULE( proc2 )
79{
80  SC_HAS_PROCESS( proc2 );
81
82  sc_in_clk clk;
83
84  sc_fifo<int>& in;
85  sc_fifo<bool>& done;
86  sc_fifo<int>& out;
87  sc_fifo<bool>& ready;
88
89  // Constructor
90  proc2 ( sc_module_name NAME,
91	  sc_clock& CLOCK,
92	  sc_fifo<int>& IN_,
93	  sc_fifo<bool>& DONE,
94	  sc_fifo<int>& OUT_,
95	  sc_fifo<bool>& READY )
96    : in(IN_), done(DONE), out(OUT_), ready(READY)
97  {
98    clk(CLOCK);
99	SC_THREAD( entry );
100	sensitive << clk.pos();
101  }
102
103  void entry() {
104    bool done_ = done.read();
105    cout << "Proc2::Done is " << done_ << endl;
106    ready.write(1);
107    for (int i=0; i < 100; i++) {
108      out.write(i);
109      int in_ = in.read();
110      cout << "Proc2::Input is " << in_ << endl;
111    }
112    ready.write(0);
113  }
114};
115
116int sc_main(int ac, char *av[])
117{
118  sc_fifo<bool> a;
119  sc_fifo<bool> b;
120  sc_fifo<int> c("C", 10);
121  // sc_fifo<int> d("D", 2);
122  sc_fifo<int> d("D", 1);
123
124  sc_clock clock("CLK", 20, SC_NS);
125
126  proc1 p1("P1", clock, c, a, d, b);
127  proc2 p2("P2", clock, d, b, c, a);
128
129  sc_start(1000, SC_NS);
130  return 0;
131}
132