dist.h 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
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
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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
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.
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18 *****************************************************************************/
19
20/*****************************************************************************
21
22  dist.h -- Definition 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#ifndef DIST_H
39#define DIST_H
40
41SC_MODULE( dist_read_mod )
42{
43  // Input ports:
44  sc_in<bool> pulse; // Pulse coming from the pulse generator.
45  sc_in<bool> start; // Becomes true if the car's started.
46
47  // Output ports:
48  sc_out<bool> ok_for_incr;
49
50  // Get the pulses for one distance increment.
51  void get_dist_proc();
52
53  SC_CTOR( dist_read_mod )
54  {
55    SC_THREAD( get_dist_proc );
56    sensitive << pulse.pos();
57  }
58};
59
60SC_MODULE( dist_compute_mod )
61{
62  // Input ports:
63  sc_in<bool> reset; // Reset the partial distance odometer if true.
64  sc_in<bool> start; // Becomes true if the car's started.
65  sc_in<bool> ok_for_incr;
66
67  // Output ports:
68  sc_out<double> total_dist;
69  sc_out<double> partial_dist;
70
71  // Internal variables:
72  static bool prev_reset;
73  static double total_compute_dist;
74  static double partial_compute_dist;
75
76  // Compute total and partial distances.
77  void compute_total_proc();
78  void compute_partial_proc();
79
80  SC_CTOR( dist_compute_mod )
81  {
82    SC_METHOD( compute_total_proc );
83    sensitive << ok_for_incr;
84
85    SC_METHOD( compute_partial_proc );
86    sensitive << ok_for_incr;
87
88    prev_reset = false;
89    total_compute_dist = 0.0;
90    partial_compute_dist = 0.0;
91  }
92};
93
94SC_MODULE( dist_lcd_mod )
95{
96  // Input ports:
97  sc_in<bool> start; // Becomes true if the car's started.
98  sc_in<double> total_dist;
99  sc_in<double> partial_dist;
100
101  // Output ports:
102  sc_out<double> total;   // Total distance.
103  sc_out<double> partial; // Partial distance.
104
105  // LCD display driver.
106  void lcd_driver_proc();
107
108  SC_CTOR( dist_lcd_mod )
109  {
110    SC_METHOD( lcd_driver_proc );
111    sensitive << total_dist << partial_dist;
112  }
113};
114
115SC_MODULE( dist_mod )
116{
117  // Ports:
118  sc_in<bool> pulse; // Pulse coming ftom the pulse generator.
119  sc_in<bool> reset; // Reset the partial distance odometer if true.
120  sc_in<bool> start; // Becomes true if the car's started.
121
122  // Output ports:
123  sc_out<double> total;   // Total distance.
124  sc_out<double> partial; // Partial distance.
125
126  // Internal signals:
127  sc_signal<bool>   ok_for_incr;
128  sc_signal<double> total_dist;
129  sc_signal<double> partial_dist;
130
131  // Internal models:
132  dist_read_mod *read_mod;
133  dist_compute_mod *compute_mod;
134  dist_lcd_mod *lcd_mod;
135
136  SC_CTOR( dist_mod )
137  {
138    read_mod = new dist_read_mod("read_mod");
139    compute_mod = new dist_compute_mod("compute_mod");
140    lcd_mod = new dist_lcd_mod("lcd_mod");
141
142    // read_mod->pulse.bind(pulse);
143    // read_mod->start.bind(start);
144    // read_mod->ok_for_incr.bind(ok_for_incr);
145    read_mod->pulse(pulse);
146    read_mod->start(start);
147    read_mod->ok_for_incr(ok_for_incr);
148
149    // compute_mod->reset.bind(reset);
150    // compute_mod->start.bind(start);
151    // compute_mod->ok_for_incr.bind(ok_for_incr);
152    // compute_mod->total_dist.bind(total_dist);
153    // compute_mod->partial_dist.bind(partial_dist);
154    compute_mod->reset(reset);
155    compute_mod->start(start);
156    compute_mod->ok_for_incr(ok_for_incr);
157    compute_mod->total_dist(total_dist);
158    compute_mod->partial_dist(partial_dist);
159
160    // lcd_mod->start.bind(start);
161    // lcd_mod->total_dist.bind(total_dist);
162    // lcd_mod->partial_dist.bind(partial_dist);
163    // lcd_mod->total.bind(total);
164    // lcd_mod->partial.bind(partial);
165    lcd_mod->start.bind(start);
166    lcd_mod->total_dist.bind(total_dist);
167    lcd_mod->partial_dist(partial_dist);
168    lcd_mod->total(total);
169    lcd_mod->partial.bind(partial);
170
171    ok_for_incr = false;
172    total_dist = 0.0;
173    partial_dist = 0.0;
174  }
175};
176
177#endif
178