test09.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 test09.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_time&, sc_event_or_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 sc_time t1(10, SC_NS); 75 next_trigger(t1); 76 data = i; 77 cout <<"simulation time" << ":" << sc_time_stamp()<<" "; 78 cout<<"writing "<< data <<" to channel" << endl; 79 80 if(i < 3){ 81 write_event_1.notify(20, SC_NS); 82 } 83 else if(3 <= i & i < 6) { 84 write_event_1.notify(5, SC_NS); 85 } 86 else{ 87 write_event_2.notify(6, SC_NS); 88 } 89 90 i++; 91 } 92 93 //read from channel 94 void read( ){ 95 int j; 96 sc_time t2(10, SC_NS); 97 next_trigger(t2, write_event_1 | write_event_2); 98 j = data; 99 cout <<"simulation time" << ":" << sc_time_stamp(); 100 cout<<" reading "<<j<<" from channel" << endl; 101 } 102 103 private: 104 int data; 105 sc_event write_event_1, write_event_2; 106 107}; 108 109//source module 110SC_MODULE(mod_a) 111{ 112 sc_port<write_if> out; 113 114 void write( ) 115 { 116 out->write(); 117 } 118 119 SC_CTOR( mod_a ){ 120 121 SC_METHOD(write); 122 } 123}; 124 125//sink module 126SC_MODULE(mod_b) 127{ 128 sc_port<read_if> input; 129 int i; 130 131 void read( ) 132 { 133 input->read(); 134 } 135 136 SC_CTOR( mod_b ){ 137 138 SC_METHOD(read); 139 } 140}; 141 142 143int sc_main(int, char*[] ) 144{ 145 channel a("a"); 146 mod_a modul_a("modul_a"); 147 mod_b modul_b("modul_b"); 148 modul_a.out(a); 149 modul_b.input(a); 150 151 sc_start(120, SC_NS); 152 return 0 ; 153} 154