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+/*****************************************************************************
+
+ 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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ dist.h -- Definition of the odometers.
+
+ Original Author: Ali Dasdan, Synopsys, Inc.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+ MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+ changes you are making here.
+
+ Name, Affiliation, Date:
+ Description of Modification:
+
+ *****************************************************************************/
+
+#ifndef DIST_H
+#define DIST_H
+
+SC_MODULE( dist_mod )
+{
+ // Ports:
+ sc_in<bool> pulse; // Pulse coming ftom the pulse generator.
+ sc_in<bool> reset; // Reset the partial distance odometer if true.
+ sc_in<bool> start; // Becomes true if the car's started.
+
+ // Output ports:
+ sc_out<double> total; // Total distance.
+ sc_out<double> partial; // Partial distance.
+
+ // Internal signals:
+ sc_signal<bool> ok_for_incr;
+ sc_signal<double> total_dist;
+ sc_signal<double> partial_dist;
+
+ // Internal variables:
+ static bool prev_reset;
+
+ // Get the pulses for one distance increment.
+ void get_dist_proc();
+
+ // Compute total and partial distances.
+ void compute_total_proc();
+ void compute_partial_proc();
+
+ // LCD display driver.
+ void lcd_driver_proc();
+
+ SC_CTOR( dist_mod )
+ {
+ SC_THREAD( get_dist_proc );
+ sensitive << pulse.pos();
+
+ SC_METHOD( compute_total_proc );
+ sensitive << ok_for_incr;
+
+ SC_METHOD( compute_partial_proc );
+ sensitive << ok_for_incr;
+
+ SC_METHOD( lcd_driver_proc );
+ sensitive << total_dist << partial_dist;
+
+ ok_for_incr = false;
+ total_dist = 0.0;
+ partial_dist = 0.0;
+ }
+
+};
+
+#endif