112855Sgabeblack@google.com/***************************************************************************** 212855Sgabeblack@google.com 312855Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412855Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512855Sgabeblack@google.com with this work for additional information regarding copyright ownership. 612855Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 712855Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 812855Sgabeblack@google.com License. You may obtain a copy of the License at 912855Sgabeblack@google.com 1012855Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1112855Sgabeblack@google.com 1212855Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1312855Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1412855Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512855Sgabeblack@google.com implied. See the License for the specific language governing 1612855Sgabeblack@google.com permissions and limitations under the License. 1712855Sgabeblack@google.com 1812855Sgabeblack@google.com *****************************************************************************/ 1912855Sgabeblack@google.com 2012855Sgabeblack@google.com/***************************************************************************** 2112855Sgabeblack@google.com 2212855Sgabeblack@google.com test03.cpp -- 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com *****************************************************************************/ 2712855Sgabeblack@google.com 2812855Sgabeblack@google.com/***************************************************************************** 2912855Sgabeblack@google.com 3012855Sgabeblack@google.com MODIFICATION LOG - modifiers, enter your name, affiliation, date and 3112855Sgabeblack@google.com changes you are making here. 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com Name, Affiliation, Date: 3412855Sgabeblack@google.com Description of Modification: 3512855Sgabeblack@google.com 3612855Sgabeblack@google.com *****************************************************************************/ 3712855Sgabeblack@google.com 3812855Sgabeblack@google.com// test of sc_fifo ports - interface access shortcut methods 3912855Sgabeblack@google.com 4012855Sgabeblack@google.com#include "systemc.h" 4112855Sgabeblack@google.com 4212855Sgabeblack@google.comSC_MODULE( writer ) 4312855Sgabeblack@google.com{ 4412855Sgabeblack@google.com // port(s) 4512855Sgabeblack@google.com sc_fifo_out<int> out; 4612855Sgabeblack@google.com 4712855Sgabeblack@google.com // process(es) 4812855Sgabeblack@google.com void main_action() 4912855Sgabeblack@google.com { 5012855Sgabeblack@google.com int val = 0; 5112855Sgabeblack@google.com while( true ) { 5212855Sgabeblack@google.com wait( 10, SC_NS ); // wait for 10 ns 5312855Sgabeblack@google.com cout << "writer: blocking write\n"; 5412855Sgabeblack@google.com for( int i = 0; i < 20; i ++ ) { 5512855Sgabeblack@google.com out.write( val ++ ); // blocking write 5612855Sgabeblack@google.com } 5712855Sgabeblack@google.com wait( 10, SC_NS ); 5812855Sgabeblack@google.com cout << "writer: " << out.num_free() << " free spaces\n"; 5912855Sgabeblack@google.com cout << "writer: non-blocking write\n"; 6012855Sgabeblack@google.com for( int i = 0; i < 20; i ++ ) { 6112855Sgabeblack@google.com while( ! out.nb_write( val ++ ) ) { // non-blocking write 6212855Sgabeblack@google.com cout << "writer: waiting\n"; 6312855Sgabeblack@google.com wait( 1, SC_NS ); 6412855Sgabeblack@google.com } 6512855Sgabeblack@google.com } 6612855Sgabeblack@google.com } 6712855Sgabeblack@google.com } 6812855Sgabeblack@google.com 6912855Sgabeblack@google.com SC_CTOR( writer ) 7012855Sgabeblack@google.com { 7112855Sgabeblack@google.com SC_THREAD( main_action ); 7212855Sgabeblack@google.com } 7312855Sgabeblack@google.com}; 7412855Sgabeblack@google.com 7512855Sgabeblack@google.comSC_MODULE( reader ) 7612855Sgabeblack@google.com{ 7712855Sgabeblack@google.com // port(s) 7812855Sgabeblack@google.com sc_fifo_in<int> in; 7912855Sgabeblack@google.com 8012855Sgabeblack@google.com // process(es) 8112855Sgabeblack@google.com void main_action() 8212855Sgabeblack@google.com { 8312855Sgabeblack@google.com int val; 8412855Sgabeblack@google.com while( true ) { 8512855Sgabeblack@google.com wait( 10, SC_NS ); // wait for 10 ns 8612855Sgabeblack@google.com cout << "reader: blocking read 1\n"; 8712855Sgabeblack@google.com for( int i = 0; i < 15; i ++ ) { 8812855Sgabeblack@google.com in.read( val ); // blocking read 8912855Sgabeblack@google.com cout << val << endl; 9012855Sgabeblack@google.com } 9112855Sgabeblack@google.com wait( 10, SC_NS ); 9212855Sgabeblack@google.com cout << "reader: " << in.num_available() << " available samples\n"; 9312855Sgabeblack@google.com cout << "reader: blocking read 2\n"; 9412855Sgabeblack@google.com for( int i = 0; i < 15; i ++ ) { 9512855Sgabeblack@google.com cout << in.read() << endl; // blocking read 9612855Sgabeblack@google.com } 9712855Sgabeblack@google.com wait( 10, SC_NS ); 9812855Sgabeblack@google.com cout << "reader: " << in.num_available() << " available samples\n"; 9912855Sgabeblack@google.com cout << "reader: non-blocking read\n"; 10012855Sgabeblack@google.com for( int i = 0; i < 15; i ++ ) { 10112855Sgabeblack@google.com while( ! in.nb_read( val ) ) { // non-blocking read 10212855Sgabeblack@google.com cout << "reader: waiting\n"; 10312855Sgabeblack@google.com wait( 1, SC_NS ); 10412855Sgabeblack@google.com } 10512855Sgabeblack@google.com cout << val << endl; 10612855Sgabeblack@google.com } 10712855Sgabeblack@google.com } 10812855Sgabeblack@google.com } 10912855Sgabeblack@google.com 11012855Sgabeblack@google.com SC_CTOR( reader ) 11112855Sgabeblack@google.com { 11212855Sgabeblack@google.com SC_THREAD( main_action ); 11312855Sgabeblack@google.com } 11412855Sgabeblack@google.com}; 11512855Sgabeblack@google.com 11612855Sgabeblack@google.comint sc_main( int, char*[] ) 11712855Sgabeblack@google.com{ 11812855Sgabeblack@google.com // sc_clock c; 11912855Sgabeblack@google.com 12012855Sgabeblack@google.com // declare channel(s) 12112855Sgabeblack@google.com sc_fifo<int> fifo( 10 ); 12212855Sgabeblack@google.com 12312855Sgabeblack@google.com // instantiate block(s) and connect to channel(s) 12412855Sgabeblack@google.com writer w( "writer" ); 12512855Sgabeblack@google.com reader r( "reader" ); 12612855Sgabeblack@google.com 12712855Sgabeblack@google.com w.out( fifo ); 12812855Sgabeblack@google.com r.in( fifo ); 12912855Sgabeblack@google.com 13012855Sgabeblack@google.com // run the simulation 13112855Sgabeblack@google.com sc_start( 100, SC_NS ); 13212855Sgabeblack@google.com 13312855Sgabeblack@google.com return 0; 13412855Sgabeblack@google.com} 135