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 00:48:14 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// Get the pulses for one distance increment. 57void 58dist_mod::get_dist_proc() 59{ 60 wait(); 61 62 while (true) { 63 64 // More than one pulse is needed for a distance increment. This 65 // function collects NUM_PULSES_FOR_DIST_INCR pulses for that 66 // purpose. 67 AWAIT(NUM_PULSES_FOR_DIST_INCR); 68 69 if (start) 70 ok_for_incr = (ok_for_incr ? false : true); 71 else 72 ok_for_incr = false; 73 } 74} 75 76// Compute total distance. 77void 78dist_mod::compute_total_proc() 79{ 80 if (start) 81 total_dist = total_dist + 1.0; 82 else 83 total_dist = 0.0; 84} 85 86// Compute partial distance. 87void 88dist_mod::compute_partial_proc() 89{ 90 if (start) { 91 92 // Implement reset.event(): 93 if (prev_reset != (bool) reset) 94 partial_dist = 0.0; 95 else 96 partial_dist = partial_dist + 1.0; 97 98 prev_reset = reset; 99 100 } 101 else 102 partial_dist = 0.0; 103} 104 105// LCD display driver. 106void 107dist_mod::lcd_driver_proc() 108{ 109 if (start) { 110 111 if (total_dist.event()) 112 total = total_dist * DIST_INCR; 113 114 if (partial_dist.event()) 115 partial = partial_dist * DIST_INCR; 116 117 } 118 else { 119 total = 0.0; 120 partial = 0.0; 121 } 122} 123 124// End of file 125