test02.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 test02.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// test of immediate event notification 39 40#include "systemc.h" 41 42SC_MODULE( source ) 43{ 44 sc_in_clk clk; 45 sc_out<int> out; 46 47 void main_action() 48 { 49 int a = 0; 50 while( true ) { 51 wait(); 52 out = a ++; 53 } 54 } 55 56 SC_CTOR( source ) 57 { 58 SC_THREAD( main_action ); 59 sensitive << clk.pos(); 60 } 61}; 62 63SC_MODULE( sink ) 64{ 65 sc_in_clk clk; 66 sc_in<int> in; 67 68 sc_event e; 69 70 void main_action() 71 { 72 int a; 73 while( true ) { 74 wait(); 75 cout << sc_delta_count() << " -- " << in.read() << endl; 76 a = in.read(); 77 if( ( a % 3 ) == 0 ) { 78 e.notify(); 79 } 80 } 81 } 82 83 void other_action() 84 { 85 while( true ) { 86 wait( e ); 87 cout << sc_delta_count() << " AA " << in.read() << endl; 88 wait( e | e ); // same as wait( e ) 89 cout << sc_delta_count() << " BB " << in.read() << endl; 90 wait( e & e ); // same as wait( e ) 91 cout << sc_delta_count() << " CC " << in.read() << endl; 92 wait( e | e | e ); // same as wait( e ) 93 cout << sc_delta_count() << " DD " << in.read() << endl; 94 wait( e & e & e ); // same as wait( e ) 95 cout << sc_delta_count() << " EE " << in.read() << endl; 96 wait( e & clk->negedge_event() ); 97 cout << sc_delta_count() << " FF " << in.read() << endl; 98 wait( e | clk->negedge_event() ); 99 cout << sc_delta_count() << " GG " << in.read() << endl; 100 } 101 } 102 103 SC_CTOR( sink ) 104 { 105 SC_THREAD( main_action ); 106 sensitive << clk.pos(); 107 SC_THREAD( other_action ); 108 } 109}; 110 111int sc_main( int, char** ) 112{ 113 sc_clock clk; 114 115 sc_signal<int> sig; 116 source src( "src" ); 117 sink snk( "snk" ); 118 119 src.clk( clk ); 120 src.out( sig ); 121 snk.clk( clk ); 122 snk.in( sig ); 123 124 sc_start( 100, SC_NS ); 125 126 return 0; 127} 128