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 test10.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(sc_event_and_list&) 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 next_trigger(10, SC_NS); 75 data = i; 76 cout <<"simulation time" << ":" << sc_time_stamp()<<" "; 77 cout<<"writting "<< data <<" to channel" << endl; 78 79 write_event_2.notify(5, SC_NS); 80 write_event_1.notify(5, SC_NS); 81 82 83 i++; 84 } 85 86 //read from channel 87 void read( ){ 88 int j; 89 next_trigger(write_event_1 & write_event_2); 90 j = data; 91 cout <<"simulation time" << ":" << sc_time_stamp(); 92 cout<<" reading "<<j<<" from channel" << endl; 93 } 94 95 private: 96 int data; 97 sc_event write_event_1, write_event_2; 98 99}; 100 101//source module 102SC_MODULE(mod_a) 103{ 104 sc_port<write_if> out; 105 106 void write( ) 107 { 108 out->write(); 109 } 110 111 SC_CTOR( mod_a ){ 112 113 SC_METHOD(write); 114 } 115}; 116 117//sink module 118SC_MODULE(mod_b) 119{ 120 sc_port<read_if> input; 121 int i; 122 123 void read( ) 124 { 125 input->read(); 126 } 127 128 SC_CTOR( mod_b ){ 129 130 SC_METHOD(read); 131 } 132}; 133 134 135int sc_main(int, char*[] ) 136{ 137 channel a("a"); 138 mod_a modul_a("modul_a"); 139 mod_b modul_b("modul_b"); 140 modul_a.out(a); 141 modul_b.input(a); 142 143 sc_start(60, SC_NS); 144 return 0 ; 145} 146