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 test05.cpp -- 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Martin Janssen, Synopsys, Inc., 2002-03-23 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 event finders 3912855Sgabeblack@google.com 4012855Sgabeblack@google.com#include "systemc.h" 4112855Sgabeblack@google.com 4212855Sgabeblack@google.com#define W_INFO(msg) \ 4312855Sgabeblack@google.com cout << sc_time_stamp() << "," << sc_delta_count() \ 4412855Sgabeblack@google.com << ": writer: " << msg << endl; 4512855Sgabeblack@google.com 4612855Sgabeblack@google.com#define R_INFO(msg) \ 4712855Sgabeblack@google.com cout << sc_time_stamp() << "," << sc_delta_count() \ 4812855Sgabeblack@google.com << ": reader: " << msg << endl; 4912855Sgabeblack@google.com 5012855Sgabeblack@google.comSC_MODULE( writer ) 5112855Sgabeblack@google.com{ 5212855Sgabeblack@google.com // port(s) 5312855Sgabeblack@google.com sc_fifo_out<int> out; 5412855Sgabeblack@google.com 5512855Sgabeblack@google.com // process(es) 5612855Sgabeblack@google.com void main_action() 5712855Sgabeblack@google.com { 5812855Sgabeblack@google.com int val = 0; 5912855Sgabeblack@google.com while( true ) { 6012855Sgabeblack@google.com wait( 10, SC_NS ); // wait for 10 ns 6112855Sgabeblack@google.com W_INFO( "blocking write" ); 6212855Sgabeblack@google.com for( int i = 0; i < 20; i ++ ) { 6312855Sgabeblack@google.com out.write( val ++ ); // blocking write 6412855Sgabeblack@google.com } 6512855Sgabeblack@google.com wait( 10, SC_NS ); 6612855Sgabeblack@google.com W_INFO( out.num_free() << " free spaces" ); 6712855Sgabeblack@google.com W_INFO( "non-blocking write" ); 6812855Sgabeblack@google.com for( int i = 0; i < 20; i ++ ) { 6912855Sgabeblack@google.com while( ! out.nb_write( val ++ ) ) { // non-blocking write 7012855Sgabeblack@google.com W_INFO( "waiting" ); 7112855Sgabeblack@google.com wait(); 7212855Sgabeblack@google.com W_INFO( "data read event" ); 7312855Sgabeblack@google.com } 7412855Sgabeblack@google.com } 7512855Sgabeblack@google.com } 7612855Sgabeblack@google.com } 7712855Sgabeblack@google.com 7812855Sgabeblack@google.com SC_CTOR( writer ) 7912855Sgabeblack@google.com { 8012855Sgabeblack@google.com SC_THREAD( main_action ); 8112855Sgabeblack@google.com sensitive << out.data_read(); 8212855Sgabeblack@google.com } 8312855Sgabeblack@google.com}; 8412855Sgabeblack@google.com 8512855Sgabeblack@google.comSC_MODULE( reader ) 8612855Sgabeblack@google.com{ 8712855Sgabeblack@google.com // port(s) 8812855Sgabeblack@google.com sc_fifo_in<int> in; 8912855Sgabeblack@google.com 9012855Sgabeblack@google.com // process(es) 9112855Sgabeblack@google.com void main_action() 9212855Sgabeblack@google.com { 9312855Sgabeblack@google.com int val; 9412855Sgabeblack@google.com while( true ) { 9512855Sgabeblack@google.com wait( 10, SC_NS ); // wait for 10 ns 9612855Sgabeblack@google.com R_INFO( "blocking read 1" ); 9712855Sgabeblack@google.com for( int i = 0; i < 15; i ++ ) { 9812855Sgabeblack@google.com in.read( val ); // blocking read 9912855Sgabeblack@google.com R_INFO( val ); 10012855Sgabeblack@google.com } 10112855Sgabeblack@google.com wait( 10, SC_NS ); 10212855Sgabeblack@google.com R_INFO( in.num_available() << " available samples" ); 10312855Sgabeblack@google.com R_INFO( "blocking read 2" ); 10412855Sgabeblack@google.com for( int i = 0; i < 15; i ++ ) { 10512855Sgabeblack@google.com val = in.read(); // blocking read 10612855Sgabeblack@google.com R_INFO( val ); 10712855Sgabeblack@google.com } 10812855Sgabeblack@google.com wait( 10, SC_NS ); 10912855Sgabeblack@google.com R_INFO( in.num_available() << " available samples" ); 11012855Sgabeblack@google.com R_INFO( "non-blocking read" ); 11112855Sgabeblack@google.com for( int i = 0; i < 15; i ++ ) { 11212855Sgabeblack@google.com while( ! in.nb_read( val ) ) { // non-blocking read 11312855Sgabeblack@google.com R_INFO( "waiting" ); 11412855Sgabeblack@google.com wait(); 11512855Sgabeblack@google.com R_INFO( "data written event" ); 11612855Sgabeblack@google.com } 11712855Sgabeblack@google.com R_INFO( val ); 11812855Sgabeblack@google.com } 11912855Sgabeblack@google.com } 12012855Sgabeblack@google.com } 12112855Sgabeblack@google.com 12212855Sgabeblack@google.com SC_CTOR( reader ) 12312855Sgabeblack@google.com { 12412855Sgabeblack@google.com SC_THREAD( main_action ); 12512855Sgabeblack@google.com sensitive << in.data_written(); 12612855Sgabeblack@google.com } 12712855Sgabeblack@google.com}; 12812855Sgabeblack@google.com 12912855Sgabeblack@google.comint sc_main( int, char*[] ) 13012855Sgabeblack@google.com{ 13112855Sgabeblack@google.com // sc_clock c; 13212855Sgabeblack@google.com 13312855Sgabeblack@google.com // declare channel(s) 13412855Sgabeblack@google.com sc_fifo<int> fifo( 10 ); 13512855Sgabeblack@google.com 13612855Sgabeblack@google.com // instantiate block(s) and connect to channel(s) 13712855Sgabeblack@google.com writer w( "writer" ); 13812855Sgabeblack@google.com reader r( "reader" ); 13912855Sgabeblack@google.com 14012855Sgabeblack@google.com w.out( fifo ); 14112855Sgabeblack@google.com r.in( fifo ); 14212855Sgabeblack@google.com 14312855Sgabeblack@google.com // run the simulation 14412855Sgabeblack@google.com sc_start( 100, SC_NS ); 14512855Sgabeblack@google.com 14612855Sgabeblack@google.com return 0; 14712855Sgabeblack@google.com} 148