fsmr.h 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 fsmr.h -- 23 24 Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 25 26 *****************************************************************************/ 27 28/***************************************************************************** 29 30 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 31 changes you are making here. 32 33 Name, Affiliation, Date: 34 Description of Modification: 35 36 *****************************************************************************/ 37 38/* Header file for FSM recognizer */ 39 40#include "systemc.h" 41 42SC_MODULE( fsm_recognizer ) 43{ 44 SC_HAS_PROCESS( fsm_recognizer ); 45 46 sc_in_clk clk; 47 48 // The input signals 49 const sc_signal<char>& input_char; // The input character 50 const sc_signal<bool>& data_ready; // The data ready signal 51 // The output signals 52 sc_signal<bool>& found; // The indicator that sequence found 53 54 // The internal variables 55 char pattern[4]; // This string will hold the pattern to match against 56 57 // The constructor 58 fsm_recognizer(sc_module_name NAME, 59 sc_clock& TICK, 60 const sc_signal<char>& INPUT_CHAR, 61 const sc_signal<bool>& DATA_READY, 62 sc_signal<bool>& FOUND) 63 : input_char(INPUT_CHAR), data_ready(DATA_READY), 64 found(FOUND) { 65 clk(TICK); 66 SC_CTHREAD( entry, clk.pos() ); 67 found = 0; 68 pattern[0] = 'S'; 69 pattern[1] = 'c'; 70 pattern[2] = 'e'; 71 pattern[3] = 'n'; 72 } 73 74 // The functionality of the process 75 void entry(); 76}; 77