fsmr.h revision 12855
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 fsmr.h -- 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/* Header file for FSM recognizer */ 3912855Sgabeblack@google.com 4012855Sgabeblack@google.com#include "systemc.h" 4112855Sgabeblack@google.com 4212855Sgabeblack@google.comSC_MODULE( fsm_recognizer ) 4312855Sgabeblack@google.com{ 4412855Sgabeblack@google.com SC_HAS_PROCESS( fsm_recognizer ); 4512855Sgabeblack@google.com 4612855Sgabeblack@google.com sc_in_clk clk; 4712855Sgabeblack@google.com 4812855Sgabeblack@google.com // The input signals 4912855Sgabeblack@google.com const sc_signal<char>& input_char; // The input character 5012855Sgabeblack@google.com const sc_signal<bool>& data_ready; // The data ready signal 5112855Sgabeblack@google.com // The output signals 5212855Sgabeblack@google.com sc_signal<bool>& found; // The indicator that sequence found 5312855Sgabeblack@google.com 5412855Sgabeblack@google.com // The internal variables 5512855Sgabeblack@google.com char pattern[4]; // This string will hold the pattern to match against 5612855Sgabeblack@google.com 5712855Sgabeblack@google.com // The constructor 5812855Sgabeblack@google.com fsm_recognizer(sc_module_name NAME, 5912855Sgabeblack@google.com sc_clock& TICK, 6012855Sgabeblack@google.com const sc_signal<char>& INPUT_CHAR, 6112855Sgabeblack@google.com const sc_signal<bool>& DATA_READY, 6212855Sgabeblack@google.com sc_signal<bool>& FOUND) 6312855Sgabeblack@google.com : input_char(INPUT_CHAR), data_ready(DATA_READY), 6412855Sgabeblack@google.com found(FOUND) { 6512855Sgabeblack@google.com clk(TICK); 6612855Sgabeblack@google.com SC_CTHREAD( entry, clk.pos() ); 6712855Sgabeblack@google.com found = 0; 6812855Sgabeblack@google.com pattern[0] = 'S'; 6912855Sgabeblack@google.com pattern[1] = 'c'; 7012855Sgabeblack@google.com pattern[2] = 'e'; 7112855Sgabeblack@google.com pattern[3] = 'n'; 7212855Sgabeblack@google.com } 7312855Sgabeblack@google.com 7412855Sgabeblack@google.com // The functionality of the process 7512855Sgabeblack@google.com void entry(); 7612855Sgabeblack@google.com}; 77