dist.cpp revision 12855:588919e0e4aa 
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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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6  Accellera licenses this file to you under the Apache License, Version 2.0
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10    http://www.apache.org/licenses/LICENSE-2.0
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12  Unless required by applicable law or agreed to in writing, software
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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 00:48:20  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_compute_mod::prev_reset;
55double dist_compute_mod::total_compute_dist;
56double dist_compute_mod::partial_compute_dist;
57
58// Get the pulses for one distance increment.
59void
60dist_read_mod::get_dist_proc()
61{
62  wait();
63
64  bool ok = false;
65
66  while (true) {
67
68    // More than one pulse is needed for a distance increment.  This
69    // function collects NUM_PULSES_FOR_DIST_INCR pulses for that
70    // purpose.
71    AWAIT(NUM_PULSES_FOR_DIST_INCR);
72
73    if (start)
74      ok = !ok;
75    else
76      ok = false;
77
78    ok_for_incr = ok;
79  }
80}
81
82// Compute total distance.
83void
84dist_compute_mod::compute_total_proc()
85{
86  if (start)
87    total_compute_dist += 1.0;
88  else
89    total_compute_dist = 0.0;
90
91  total_dist = total_compute_dist;
92}
93
94// Compute partial distance.
95void
96dist_compute_mod::compute_partial_proc()
97{
98  if (start) {
99
100    // Implement reset.event():
101    if (prev_reset != (bool) reset)
102      partial_compute_dist = 0.0;
103    else
104      partial_compute_dist += 1.0;
105
106    prev_reset = reset;
107
108  }
109  else
110    partial_compute_dist = 0.0;
111
112  partial_dist = partial_compute_dist;
113}
114
115// LCD display driver.
116void
117dist_lcd_mod::lcd_driver_proc()
118{
119  if (start) {
120
121    if (total_dist.event())
122      total = total_dist * DIST_INCR;
123
124    if (partial_dist.event())
125      partial = partial_dist * DIST_INCR;
126
127  }
128  else {
129    total = 0.0;
130    partial = 0.0;
131  }
132}
133
134// End of file
135