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Diffstat (limited to 'src/systemc/tests/systemc/misc/user_guide/chpt3.2/fsmr.h')
-rw-r--r-- | src/systemc/tests/systemc/misc/user_guide/chpt3.2/fsmr.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt3.2/fsmr.h b/src/systemc/tests/systemc/misc/user_guide/chpt3.2/fsmr.h new file mode 100644 index 000000000..13b192655 --- /dev/null +++ b/src/systemc/tests/systemc/misc/user_guide/chpt3.2/fsmr.h @@ -0,0 +1,75 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + fsmr.h -- + + Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +/* Header file for FSM recognizer */ + +#include "systemc.h" + +SC_MODULE( fsm_recognizer ) +{ + SC_HAS_PROCESS( fsm_recognizer ); + + sc_in_clk clk; + + // The input signals + const sc_signal<char>& input_char; // The input character + const sc_signal<bool>& data_ready; // The data ready signal + // The output signals + sc_signal<bool>& found; // The indicator that sequence found + + // The internal variables + char pattern[4]; // This string will hold the pattern to match against + + // The constructor + fsm_recognizer(sc_module_name NAME, + sc_clock& TICK, + const sc_signal<char>& INPUT_CHAR, + const sc_signal<bool>& DATA_READY, + sc_signal<bool>& FOUND) + : input_char(INPUT_CHAR), data_ready(DATA_READY), + found(FOUND) { + clk(TICK); + SC_CTHREAD( entry, clk.pos() ); + pattern[0] = 'S'; + pattern[1] = 'c'; + pattern[2] = 'e'; + pattern[3] = 'n'; + } + + // The functionality of the process + void entry(); +}; |