dist.cpp 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 dist.cpp -- Implementation of the odometers. 23 24 Original Author: Ali Dasdan, Synopsys, Inc. 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// $Log: dist.cpp,v $ 39// Revision 1.1.1.1 2006/12/15 20:26:24 acg 40// systemc_tests-2.3 41// 42// Revision 1.3 2006/01/19 00:48:12 acg 43// Andy Goodrich: Changes for the fact signal write checking is enabled. 44// 45// Revision 1.2 2006/01/18 00:23:50 acg 46// Change over from SC_NO_WRITE_CHECK to sc_write_check_enable() call. 47// 48 49#define SC_NO_WRITE_CHECK 50#include "systemc.h" 51#include "const.h" 52#include "dist.h" 53 54bool dist_mod::prev_reset; 55 56// Compute the total and partial distances travelled. 57void 58dist_mod::get_dist_proc() 59{ 60 wait(); 61 62 double tmp_total = 0; 63 double tmp_partial = 0; 64 65 while (true) { 66 67 // More than one pulse is needed for a distance increment. This 68 // function collects NUM_PULSES_FOR_DIST_INCR pulses for that 69 // purpose. 70 AWAIT(NUM_PULSES_FOR_DIST_INCR); 71 72 if (start) { 73 74 // Increment the distances: 75 tmp_total += DIST_INCR; 76 77 // This is to simulate reset.event(): 78 if (prev_reset != (bool) reset) 79 tmp_partial = 0.0; // If reset.event(), reset the partial distance. 80 else 81 tmp_partial += DIST_INCR; 82 83 prev_reset = reset; 84 85 } 86 else { 87 prev_reset = false; 88 tmp_total = 0.0; 89 tmp_partial = 0.0; 90 } 91 92 total = tmp_total; 93 partial = tmp_partial; 94 95 } 96} 97 98// End of file 99