dist.cpp revision 12855:588919e0e4aa 
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6  Accellera licenses this file to you under the Apache License, Version 2.0
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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