test01.cpp revision 12855:588919e0e4aa 
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20/*****************************************************************************
21
22  test01.cpp --
23
24  Original Author: Ucar Aziz, Synopsys, Inc., 2002-02-15
25                   Martin Janssen, Synopsys, Inc., 2002-02-15
26
27 *****************************************************************************/
28
29/*****************************************************************************
30
31  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
32  changes you are making here.
33
34      Name, Affiliation, Date:
35  Description of Modification:
36
37 *****************************************************************************/
38
39//test of sc_prim_channel::next_trigger()
40
41#include <systemc.h>
42
43//write and read interfaces
44class write_if : virtual public
45sc_interface
46 {
47  public:
48   virtual void write() = 0;
49};
50
51class read_if : virtual public
52sc_interface
53{
54 public:
55  virtual void read( ) = 0;
56};
57
58// channel implements write_if and read_if interfaces
59class channel :
60  public sc_channel,
61  public write_if,
62  public read_if
63{
64
65  public :
66
67  //constructor
68  channel(sc_module_name name):sc_channel(name), data(0)
69  { }
70
71  //write to channel
72  void write(){
73    static int i = 0;
74    next_trigger();
75    data = i;
76    cout <<"simulation time" << ":" << sc_time_stamp()<<"    ";
77    cout<<"writting "<< data <<" to channel" << endl;
78    i++;
79  }
80
81  //read from channel
82  void read( ){
83    int j;
84    next_trigger();
85    j = data;
86    cout <<"simulation time" << ":" << sc_time_stamp();
87    cout<<"    reading "<<j<<" from channel" << endl;
88  }
89
90  private:
91  int data;
92
93};
94
95//source module
96SC_MODULE(mod_a)
97{
98  sc_port<write_if> out;
99
100  void write( )
101  {
102    out->write();
103  }
104
105  SC_CTOR( mod_a ){
106
107    SC_METHOD(write);
108  }
109};
110
111//sink module
112SC_MODULE(mod_b)
113{
114  sc_port<read_if> input;
115  int i;
116
117  void read( )
118  {
119   input->read();
120  }
121
122  SC_CTOR( mod_b ){
123
124    SC_METHOD(read);
125  }
126};
127
128
129int sc_main(int, char*[] )
130{
131  channel a("a");
132  mod_a modul_a("modul_a");
133  mod_b modul_b("modul_b");
134  modul_a.out(a);
135  modul_b.input(a);
136
137  sc_start(10, SC_NS);
138  return 0 ;
139}
140