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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <cassert> | |
21 | ||
22 | #include "analog.hpp" | |
23 | #include "analogsegment.hpp" | |
24 | ||
25 | using std::deque; | |
26 | using std::max; | |
27 | using std::shared_ptr; | |
28 | using std::vector; | |
29 | ||
30 | namespace pv { | |
31 | namespace data { | |
32 | ||
33 | Analog::Analog() : | |
34 | SignalData(), | |
35 | samplerate_(1) // Default is 1 Hz to prevent division-by-zero errors | |
36 | { | |
37 | } | |
38 | ||
39 | void Analog::push_segment(shared_ptr<AnalogSegment> &segment) | |
40 | { | |
41 | segments_.push_back(segment); | |
42 | ||
43 | if ((samplerate_ == 1) && (segment->samplerate() > 1)) | |
44 | samplerate_ = segment->samplerate(); | |
45 | ||
46 | connect(segment.get(), SIGNAL(completed()), this, SLOT(on_segment_completed())); | |
47 | } | |
48 | ||
49 | const deque< shared_ptr<AnalogSegment> >& Analog::analog_segments() const | |
50 | { | |
51 | return segments_; | |
52 | } | |
53 | ||
54 | vector< shared_ptr<Segment> > Analog::segments() const | |
55 | { | |
56 | return vector< shared_ptr<Segment> >( | |
57 | segments_.begin(), segments_.end()); | |
58 | } | |
59 | ||
60 | uint32_t Analog::get_segment_count() const | |
61 | { | |
62 | return (uint32_t)segments_.size(); | |
63 | } | |
64 | ||
65 | void Analog::clear() | |
66 | { | |
67 | if (!segments_.empty()) { | |
68 | segments_.clear(); | |
69 | ||
70 | samples_cleared(); | |
71 | } | |
72 | } | |
73 | ||
74 | void Analog::set_samplerate(double value) | |
75 | { | |
76 | samplerate_ = value; | |
77 | } | |
78 | ||
79 | double Analog::get_samplerate() const | |
80 | { | |
81 | return samplerate_; | |
82 | } | |
83 | ||
84 | uint64_t Analog::max_sample_count() const | |
85 | { | |
86 | uint64_t l = 0; | |
87 | for (const shared_ptr<AnalogSegment>& s : segments_) { | |
88 | assert(s); | |
89 | l = max(l, s->get_sample_count()); | |
90 | } | |
91 | return l; | |
92 | } | |
93 | ||
94 | void Analog::notify_samples_added(shared_ptr<Segment> segment, uint64_t start_sample, | |
95 | uint64_t end_sample) | |
96 | { | |
97 | samples_added(segment, start_sample, end_sample); | |
98 | } | |
99 | ||
100 | void Analog::notify_min_max_changed(float min, float max) | |
101 | { | |
102 | min_max_changed(min, max); | |
103 | } | |
104 | ||
105 | void Analog::on_segment_completed() | |
106 | { | |
107 | segment_completed(); | |
108 | } | |
109 | ||
110 | } // namespace data | |
111 | } // namespace pv |