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: 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(const sc_event&) 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 if(i < 10){ 75 next_trigger(read_event); 76 data = i; 77 cout<<"writting "<< data <<" to channel"; 78 i++; 79 cout<<" and notifying write_event" << endl; 80 write_event.notify(); 81 } 82 } 83 84 //read from channel 85 void read( ){ 86 int j; 87 next_trigger(write_event); 88 j = data; 89 cout<<"reading "<<j<<" from channel"; 90 cout<<" and notifying read_event" << endl; 91 read_event.notify(); 92 } 93 94 private: 95 int data; 96 sc_event write_event, read_event; 97 98}; 99 100//source module 101SC_MODULE(mod_a) 102{ 103 sc_port<write_if> out; 104 105 void write( ) 106 { 107 out->write(); 108 } 109 110 SC_CTOR( mod_a ){ 111 112 SC_METHOD(write); 113 } 114}; 115 116//sink module 117SC_MODULE(mod_b) 118{ 119 sc_port<read_if> input; 120 int i; 121 122 void read( ) 123 { 124 input->read(); 125 } 126 127 SC_CTOR( mod_b ){ 128 129 SC_METHOD(read); 130 } 131}; 132 133 134int sc_main(int, char*[] ) 135{ 136 channel a("a"); 137 mod_a modul_a("modul_a"); 138 mod_b modul_b("modul_b"); 139 modul_a.out(a); 140 modul_b.input(a); 141 142 sc_start(10, SC_NS); 143 return 0 ; 144} 145