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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 | * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_DATA_SIGNALBASE_HPP | |
22 | #define PULSEVIEW_PV_DATA_SIGNALBASE_HPP | |
23 | ||
24 | #include <thread> | |
25 | ||
26 | #include <QColor> | |
27 | #include <QObject> | |
28 | #include <QSettings> | |
29 | #include <QString> | |
30 | ||
31 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
32 | ||
33 | using std::shared_ptr; | |
34 | ||
35 | namespace sigrok { | |
36 | class Channel; | |
37 | } | |
38 | ||
39 | namespace pv { | |
40 | namespace data { | |
41 | ||
42 | class Analog; | |
43 | class DecoderStack; | |
44 | class Logic; | |
45 | class SignalData; | |
46 | ||
47 | class SignalBase : public QObject | |
48 | { | |
49 | Q_OBJECT | |
50 | ||
51 | public: | |
52 | enum ChannelType { | |
53 | AnalogChannel = 1, | |
54 | LogicChannel, | |
55 | DecodeChannel, | |
56 | A2LChannel, // Analog converted to logic, joint representation | |
57 | MathChannel | |
58 | }; | |
59 | ||
60 | enum ConversionType { | |
61 | NoConversion = 0, | |
62 | A2LConversionByTreshold = 1, | |
63 | A2LConversionBySchmittTrigger = 2 | |
64 | }; | |
65 | ||
66 | private: | |
67 | static const int ColourBGAlpha; | |
68 | static const uint64_t ConversionBlockSize; | |
69 | ||
70 | public: | |
71 | SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type); | |
72 | virtual ~SignalBase(); | |
73 | ||
74 | public: | |
75 | /** | |
76 | * Returns the underlying SR channel. | |
77 | */ | |
78 | shared_ptr<sigrok::Channel> channel() const; | |
79 | ||
80 | /** | |
81 | * Returns enabled status of this channel. | |
82 | */ | |
83 | bool enabled() const; | |
84 | ||
85 | /** | |
86 | * Sets the enabled status of this channel. | |
87 | * @param value Boolean value to set. | |
88 | */ | |
89 | void set_enabled(bool value); | |
90 | ||
91 | /** | |
92 | * Gets the type of this channel. | |
93 | */ | |
94 | ChannelType type() const; | |
95 | ||
96 | /** | |
97 | * Gets the index number of this channel. | |
98 | */ | |
99 | unsigned int index() const; | |
100 | ||
101 | /** | |
102 | * Gets the name of this signal. | |
103 | */ | |
104 | QString name() const; | |
105 | ||
106 | /** | |
107 | * Gets the internal name of this signal, i.e. how the device calls it. | |
108 | */ | |
109 | QString internal_name() const; | |
110 | ||
111 | /** | |
112 | * Sets the name of the signal. | |
113 | */ | |
114 | virtual void set_name(QString name); | |
115 | ||
116 | /** | |
117 | * Get the colour of the signal. | |
118 | */ | |
119 | QColor colour() const; | |
120 | ||
121 | /** | |
122 | * Set the colour of the signal. | |
123 | */ | |
124 | void set_colour(QColor colour); | |
125 | ||
126 | /** | |
127 | * Get the background colour of the signal. | |
128 | */ | |
129 | QColor bgcolour() const; | |
130 | ||
131 | /** | |
132 | * Sets the internal data object. | |
133 | */ | |
134 | void set_data(shared_ptr<pv::data::SignalData> data); | |
135 | ||
136 | /** | |
137 | * Get the internal data as analog data object in case of analog type. | |
138 | */ | |
139 | shared_ptr<pv::data::Analog> analog_data() const; | |
140 | ||
141 | /** | |
142 | * Get the internal data as logic data object in case of logic type. | |
143 | */ | |
144 | shared_ptr<pv::data::Logic> logic_data() const; | |
145 | ||
146 | /** | |
147 | * Changes the kind of conversion performed on this channel. | |
148 | */ | |
149 | void set_conversion_type(ConversionType t); | |
150 | ||
151 | #ifdef ENABLE_DECODE | |
152 | bool is_decode_signal() const; | |
153 | #endif | |
154 | ||
155 | virtual void save_settings(QSettings &settings) const; | |
156 | ||
157 | virtual void restore_settings(QSettings &settings); | |
158 | ||
159 | private: | |
160 | uint8_t convert_a2l_threshold(float threshold, float value); | |
161 | uint8_t convert_a2l_schmitt_trigger(float lo_thr, float hi_thr, | |
162 | float value, uint8_t &state); | |
163 | ||
164 | void conversion_thread_proc(QObject* segment, uint64_t start_sample, | |
165 | uint64_t end_sample); | |
166 | ||
167 | Q_SIGNALS: | |
168 | void enabled_changed(const bool &value); | |
169 | ||
170 | void name_changed(const QString &name); | |
171 | ||
172 | void colour_changed(const QColor &colour); | |
173 | ||
174 | void conversion_type_changed(const ConversionType t); | |
175 | ||
176 | void samples_cleared(); | |
177 | ||
178 | void samples_added(QObject* segment, uint64_t start_sample, | |
179 | uint64_t end_sample); | |
180 | ||
181 | private Q_SLOTS: | |
182 | void on_samples_cleared(); | |
183 | ||
184 | void on_samples_added(QObject* segment, uint64_t start_sample, | |
185 | uint64_t end_sample); | |
186 | ||
187 | void on_capture_state_changed(int state); | |
188 | ||
189 | protected: | |
190 | shared_ptr<sigrok::Channel> channel_; | |
191 | ChannelType channel_type_; | |
192 | shared_ptr<pv::data::SignalData> data_; | |
193 | shared_ptr<pv::data::SignalData> converted_data_; | |
194 | int conversion_type_; | |
195 | ||
196 | std::thread conversion_thread_; | |
197 | ||
198 | QString internal_name_, name_; | |
199 | QColor colour_, bgcolour_; | |
200 | }; | |
201 | ||
202 | } // namespace data | |
203 | } // namespace pv | |
204 | ||
205 | #endif // PULSEVIEW_PV_DATA_SIGNALBASE_HPP |