sc_buffer_edge_reset.cpp revision 12855:588919e0e4aa 
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10    http://www.apache.org/licenses/LICENSE-2.0
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19
20/*****************************************************************************
21
22  sc_buffer_edge_reset.cpp -- Test sc_buffer<bool> edge events and reset
23
24  Original Author: Philipp A. Hartmann, OFFIS, 2013-10-12
25
26 -----------------------------------------------------------------------------
27
28 This test checks the functionality of the pos(), neg() event finders and
29 the async_reset_signal_is functionality, if the target port is bound to
30 an sc_buffer instead of an sc_signal.
31
32 *****************************************************************************/
33
34#define SC_INCLUDE_DYNAMIC_PROCESSES
35#include <systemc.h>
36#include <iomanip>
37
38SC_MODULE(print_edge)
39{
40  sc_in<bool> in;
41
42  SC_CTOR(print_edge)
43    : in("in")
44  {
45    spawn_trigger( "trigger_val", &in.value_changed() );
46    spawn_trigger( "trigger_pos", &in.pos() );
47    spawn_trigger( "trigger_neg", &in.neg() );
48    spawn_trigger( "trigger_rst", NULL );
49  }
50
51  void spawn_trigger( const char* name, sc_event_finder* ef )
52  {
53    sc_spawn_options opts;
54      opts.spawn_method();
55      opts.dont_initialize();
56    if( ef ) {
57      opts.set_sensitivity( ef );
58    } else {
59      opts.async_reset_signal_is( in, true );
60    }
61    sc_spawn( sc_bind(&print_edge::trigger,this)
62            , name, &opts);
63  }
64
65  void trigger()
66  {
67    std::cout << sc_get_current_process_handle().name()
68              << " @ " << std::setw(4) << sc_time_stamp()
69              << ": " << "in = " << in.read()
70              << std::endl;
71  }
72};
73
74int sc_main(int, char*[])
75{
76  sc_report_handler::set_actions( SC_ID_DISABLE_WILL_ORPHAN_PROCESS_
77                                , SC_DO_NOTHING );
78
79  sc_signal<int>  sig_int;
80
81  sc_buffer<bool> buf;
82  sc_signal<bool> sig;
83
84  print_edge sig_mod("sig_mod");
85    sig_mod.in(sig);
86
87  print_edge buf_mod("buf_mod");
88    buf_mod.in(buf);
89
90  for(int i=0; i<4; ++i) {
91    buf.write( !buf.read() );
92    sig.write( !sig.read() );
93    sc_start( 1, SC_NS );
94
95    buf.write( buf.read() );
96    sig.write( sig.read() );
97    sc_start( 1, SC_NS );
98  }
99
100  return 0;
101}
102