test1.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  test1.cpp -- Test alternations of sc_start(0, SC_NS) and sc_start(1, SC_NS).
23
24  Original Author: Andy Goodrich, Forte Design Systems, 18 August 2006
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
39#include "systemc.h"
40
41SC_MODULE(X)
42{
43	SC_CTOR(X)
44	{
45		SC_METHOD(comb);
46		sensitive << tweak;
47		SC_CTHREAD(sync, clk.pos());
48	}
49	void comb()
50	{
51		cout << "  X::comb() - " <<
52			sc_time_stamp() << "  " <<
53			tweak.read() << endl;
54	}
55	void sync()
56	{
57		for (;;)
58		{
59			wait();
60			cout << "  X::sync() - " <<
61				sc_time_stamp() << "  " <<
62				tweak.read() << endl;
63		}
64	}
65	sc_in_clk   clk;
66	sc_in<bool> tweak;
67};
68
69#define ACTION(action,descr) \
70{ \
71	cout << descr << " - " << \
72		sc_time_stamp() << "   " << \
73		tweak.read() << endl; \
74	action ; \
75	cout << "                                        " << \
76                sc_time_stamp() << "   " << \
77		tweak.read() << endl; \
78}
79
80
81int sc_main(int argc, char* argv[])
82{
83	sc_clock clock;
84	sc_signal<bool> tweak;
85	X        x("x");
86	x.clk(clock);
87	x.tweak(tweak);
88
89	cout << "Event         Start Parameters         End Parameters" << endl;
90	cout << "------------- ----------------         --------------\n" << endl;
91
92	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
93	ACTION(tweak = !tweak,"~tweak     ")
94	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
95	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
96	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
97	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
98	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
99
100	ACTION(tweak = !tweak,"~tweak     ")
101	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
102
103	ACTION(tweak = !tweak,"~tweak     ")
104	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
105	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
106
107	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
108	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
109	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
110	ACTION(tweak = !tweak,"~tweak     ")
111	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
112	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
113
114    cerr << "Program completed" << endl;
115    return 0;
116}
117
118