ElectricalDriverMultiplier.cc (10447:a465576671d4) ElectricalDriverMultiplier.cc (10448:bc1a3b7ab5ef)
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 */
1
21
22
2#include "model/timing_graph/ElectricalDriverMultiplier.h"
3#include "model/timing_graph/ElectricalLoad.h"
4
5namespace DSENT
6{
7 //-------------------------------------------------------------------------
8 // Electrical Net
9 //-------------------------------------------------------------------------
10
11 ElectricalDriverMultiplier::ElectricalDriverMultiplier(const String& instance_name_, ElectricalModel* model_)
12 : ElectricalTimingNode(instance_name_, model_)
13 {
14
15 }
16
17 ElectricalDriverMultiplier::~ElectricalDriverMultiplier()
18 {
19
20 }
21
22 double ElectricalDriverMultiplier::calculateDriveRes( double input_drive_res_) const
23 {
24 return input_drive_res_;
25 }
26
27 double ElectricalDriverMultiplier::calculateDelay() const
28 {
29 // This is just a model helper element, it does not contribute delay
30 return 0;
31 }
32
33 double ElectricalDriverMultiplier::calculateTransition() const
34 {
35 return getMaxUpstreamRes() * getTotalDownstreamCap();
36 }
37
38 double ElectricalDriverMultiplier::getTotalDownstreamCap() const
39 {
40 // Finds the max of the load caps (as opposed to summing)
41 double max_cap = 0;
42 vector<ElectricalTimingNode*>* downstream_nodes = ElectricalTimingNode::getDownstreamNodes();
43 for (unsigned int i = 0; i < downstream_nodes->size(); ++i)
44 {
45 max_cap = std::max(max_cap, downstream_nodes->at(i)->getTotalDownstreamCap());
46 }
47
48 return max_cap;
49 }
50
51} // namespace DSENT
52
53
23#include "model/timing_graph/ElectricalDriverMultiplier.h"
24#include "model/timing_graph/ElectricalLoad.h"
25
26namespace DSENT
27{
28 //-------------------------------------------------------------------------
29 // Electrical Net
30 //-------------------------------------------------------------------------
31
32 ElectricalDriverMultiplier::ElectricalDriverMultiplier(const String& instance_name_, ElectricalModel* model_)
33 : ElectricalTimingNode(instance_name_, model_)
34 {
35
36 }
37
38 ElectricalDriverMultiplier::~ElectricalDriverMultiplier()
39 {
40
41 }
42
43 double ElectricalDriverMultiplier::calculateDriveRes( double input_drive_res_) const
44 {
45 return input_drive_res_;
46 }
47
48 double ElectricalDriverMultiplier::calculateDelay() const
49 {
50 // This is just a model helper element, it does not contribute delay
51 return 0;
52 }
53
54 double ElectricalDriverMultiplier::calculateTransition() const
55 {
56 return getMaxUpstreamRes() * getTotalDownstreamCap();
57 }
58
59 double ElectricalDriverMultiplier::getTotalDownstreamCap() const
60 {
61 // Finds the max of the load caps (as opposed to summing)
62 double max_cap = 0;
63 vector<ElectricalTimingNode*>* downstream_nodes = ElectricalTimingNode::getDownstreamNodes();
64 for (unsigned int i = 0; i < downstream_nodes->size(); ++i)
65 {
66 max_cap = std::max(max_cap, downstream_nodes->at(i)->getTotalDownstreamCap());
67 }
68
69 return max_cap;
70 }
71
72} // namespace DSENT
73
74