dist.h revision 12855:588919e0e4aa 
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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements.  See the NOTICE file distributed
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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
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.
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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
146    read_mod->pulse(pulse);
147    read_mod->start(start);
148    read_mod->ok_for_incr(ok_for_incr);
149
150    // (*read_mod)(pulse, start, ok_for_incr);
151
152    // compute_mod->reset.bind(reset);
153    // compute_mod->start.bind(start);
154    // compute_mod->ok_for_incr.bind(ok_for_incr);
155    // compute_mod->total_dist.bind(total_dist);
156    // compute_mod->partial_dist.bind(partial_dist);
157    compute_mod->reset(reset);
158    compute_mod->start(start);
159    compute_mod->ok_for_incr.bind(ok_for_incr);
160    compute_mod->total_dist.bind(total_dist);
161    compute_mod->partial_dist(partial_dist);
162
163    // lcd_mod->start.bind(start);
164    // lcd_mod->total_dist.bind(total_dist);
165    // lcd_mod->partial_dist.bind(partial_dist);
166    // lcd_mod->total.bind(total);
167    // lcd_mod->partial.bind(partial);
168
169    lcd_mod->start(start);
170    lcd_mod->total_dist(total_dist);
171    lcd_mod->partial_dist(partial_dist);
172    lcd_mod->total(total);
173    lcd_mod->partial(partial);
174
175    // *lcd_mod << start, total_dist, partial_dist, total, partial;
176
177    ok_for_incr = false;
178    total_dist = 0.0;
179    partial_dist = 0.0;
180  }
181};
182
183#endif
184