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 00:48:14  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