| 1/* Copyright (c) 2012 Massachusetts Institute of Technology
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 */
|
2#include "model/timing_graph/ElectricalDriver.h"
3#include "model/timing_graph/ElectricalNet.h"
4#include "model/ElectricalModel.h"
5
6namespace DSENT
7{
8 ElectricalDriver::ElectricalDriver(const String& instance_name_, ElectricalModel* model_, bool sizable_)
9 : ElectricalTimingNode(instance_name_, model_), m_output_res_(0.0), m_sizable_(sizable_)
10 {
11
12 }
13
14 ElectricalDriver::~ElectricalDriver()
15 {
16
17 }
18
19 void ElectricalDriver::setOutputRes(double output_res_)
20 {
21 m_output_res_ = output_res_;
22 return;
23 }
24
25 double ElectricalDriver::getOutputRes() const
26 {
27 return m_output_res_;
28 }
29
30 double ElectricalDriver::calculateDelay() const
31 {
32 return 0.693 * m_output_res_ * getTotalDownstreamCap();
33 }
34
35 double ElectricalDriver::calculateTransition() const
36 {
37 return 1.386 * getMaxUpstreamRes() * getTotalDownstreamCap();
38 }
39
40 double ElectricalDriver::getMaxUpstreamRes() const
41 {
42 return m_output_res_;
43 }
44
45 bool ElectricalDriver::isSizable() const
46 {
47 return m_sizable_;
48 }
49
50 bool ElectricalDriver::hasMaxDrivingStrength() const
51 {
52 if (!isSizable())
53 {
54 return true;
55 }
56 return (getModel() == NULL) || (getModel()->hasMaxDrivingStrength());
57 }
58
59 bool ElectricalDriver::hasMinDrivingStrength() const
60 {
61 if (!isSizable())
62 {
63 return true;
64 }
65 return (getModel() == NULL) || (getModel()->hasMinDrivingStrength());
66 }
67
68 void ElectricalDriver::increaseDrivingStrength()
69 {
70 ASSERT(isSizable(), "[Error] " + getInstanceName() +
71 " -> Attempted to size up unsizable driver!");
72 if(!hasMaxDrivingStrength())
73 {
74 getModel()->increaseDrivingStrength();
75 }
76 return;
77 }
78
79 void ElectricalDriver::decreaseDrivingStrength()
80 {
81 ASSERT(isSizable(), "[Error] " + getInstanceName() +
82 " -> Attempted to size down unsizable driver!");
83 if(!hasMinDrivingStrength())
84 {
85 getModel()->decreaseDrivingStrength();
86 }
87 return;
88 }
89
90 bool ElectricalDriver::isDriver() const
91 {
92 return true;
93 }
94} // namespace DSENT
95
| 23#include "model/timing_graph/ElectricalDriver.h"
24#include "model/timing_graph/ElectricalNet.h"
25#include "model/ElectricalModel.h"
26
27namespace DSENT
28{
29 ElectricalDriver::ElectricalDriver(const String& instance_name_, ElectricalModel* model_, bool sizable_)
30 : ElectricalTimingNode(instance_name_, model_), m_output_res_(0.0), m_sizable_(sizable_)
31 {
32
33 }
34
35 ElectricalDriver::~ElectricalDriver()
36 {
37
38 }
39
40 void ElectricalDriver::setOutputRes(double output_res_)
41 {
42 m_output_res_ = output_res_;
43 return;
44 }
45
46 double ElectricalDriver::getOutputRes() const
47 {
48 return m_output_res_;
49 }
50
51 double ElectricalDriver::calculateDelay() const
52 {
53 return 0.693 * m_output_res_ * getTotalDownstreamCap();
54 }
55
56 double ElectricalDriver::calculateTransition() const
57 {
58 return 1.386 * getMaxUpstreamRes() * getTotalDownstreamCap();
59 }
60
61 double ElectricalDriver::getMaxUpstreamRes() const
62 {
63 return m_output_res_;
64 }
65
66 bool ElectricalDriver::isSizable() const
67 {
68 return m_sizable_;
69 }
70
71 bool ElectricalDriver::hasMaxDrivingStrength() const
72 {
73 if (!isSizable())
74 {
75 return true;
76 }
77 return (getModel() == NULL) || (getModel()->hasMaxDrivingStrength());
78 }
79
80 bool ElectricalDriver::hasMinDrivingStrength() const
81 {
82 if (!isSizable())
83 {
84 return true;
85 }
86 return (getModel() == NULL) || (getModel()->hasMinDrivingStrength());
87 }
88
89 void ElectricalDriver::increaseDrivingStrength()
90 {
91 ASSERT(isSizable(), "[Error] " + getInstanceName() +
92 " -> Attempted to size up unsizable driver!");
93 if(!hasMaxDrivingStrength())
94 {
95 getModel()->increaseDrivingStrength();
96 }
97 return;
98 }
99
100 void ElectricalDriver::decreaseDrivingStrength()
101 {
102 ASSERT(isSizable(), "[Error] " + getInstanceName() +
103 " -> Attempted to size down unsizable driver!");
104 if(!hasMinDrivingStrength())
105 {
106 getModel()->decreaseDrivingStrength();
107 }
108 return;
109 }
110
111 bool ElectricalDriver::isDriver() const
112 {
113 return true;
114 }
115} // namespace DSENT
116
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