test06.cpp revision 12855:588919e0e4aa 
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20/*****************************************************************************
21
22  test06.cpp -- test multiple interfaces
23
24  Original Author: Andy Goodrich, Forte Design Systems, 03 April 2007
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
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33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38// test of multiple interfaces for an sc_fifo
39
40#include "systemc.h"
41
42#define W_INFO(msg,iface) \
43    cout << sc_time_stamp() << "," << sc_delta_count() \
44         << ": writer" << iface << ": " << msg << endl;
45
46#define R_INFO(msg,iface) \
47    cout << sc_time_stamp() << "," << sc_delta_count() \
48         << ": reader" << iface << ": " << msg << endl;
49
50SC_MODULE( writer )
51{
52    // port(s)
53    sc_fifo_out<int> out;
54
55    // process(es)
56    void main_action()
57    {
58        int val = 0;
59        while( true ) {
60            wait( 10, SC_NS ); // wait for 10 ns
61            for ( int iface=0; iface < 3; iface++ )
62            {
63                W_INFO( "blocking write", iface );
64                for( int i = 0; i < 20; i ++ ) {
65                    out[iface]->write( val ++ ); // blocking write
66                }
67            }
68        }
69    }
70
71    SC_CTOR( writer )
72    {
73        SC_THREAD( main_action );
74        sensitive << out.data_read();
75    }
76};
77
78SC_MODULE( reader )
79{
80    // port(s)
81    sc_fifo_in<int> in;
82
83    // process(es)
84    void main_action()
85    {
86        int iface;
87        int val;
88        while( true ) {
89            wait( 10, SC_NS ); // wait for 10 ns
90            for ( iface=0; iface < 3; iface++ )
91            {
92                R_INFO( "blocking read 1", iface );
93                for( int i = 0; i < 15; i ++ ) {
94                    in[iface]->read( val ); // blocking read
95                    R_INFO( val, iface );
96                }
97            }
98            wait( 10, SC_NS );
99            R_INFO( in.num_available() << " available samples", iface );
100            R_INFO( "blocking read 2", iface );
101            for ( iface=0; iface < 3; iface++ )
102            {
103                for( int i = 0; i < 15; i ++ ) {
104                    val = in[iface]->read(); // blocking read
105                    R_INFO( val, iface );
106                }
107            }
108        }
109    }
110
111    SC_CTOR( reader )
112    {
113        SC_THREAD( main_action );
114        sensitive << in.data_written();
115    }
116};
117
118int sc_main( int, char*[] )
119{
120    // sc_clock c;
121
122    // declare channel(s)
123    sc_fifo<int> fifo( 10 );
124    sc_fifo<int> fifo1( 10 );
125    sc_fifo<int> fifo2( 10 );
126
127    // instantiate block(s) and connect to channel(s)
128    writer w( "writer" );
129    reader r( "reader" );
130
131    w.out( fifo );
132    w.out( fifo1 );
133    w.out( fifo2 );
134    r.in( fifo );
135    r.in( fifo1 );
136    r.in( fifo2 );
137
138    // run the simulation
139    sc_start( 100, SC_NS );
140
141    return 0;
142}
143