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119aff65 JH |
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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_DATA_DECODER_H | |
22 | #define PULSEVIEW_PV_DATA_DECODER_H | |
23 | ||
24 | #include "signaldata.h" | |
25 | ||
708c5523 JH |
26 | #include <map> |
27 | ||
28 | #include <boost/shared_ptr.hpp> | |
640d69ce | 29 | #include <boost/thread.hpp> |
708c5523 | 30 | |
e0fc5810 JH |
31 | #include <QObject> |
32 | ||
b213ef09 JH |
33 | #include <glib.h> |
34 | ||
119aff65 | 35 | struct srd_decoder; |
e332f6d3 | 36 | struct srd_decoder_inst; |
708c5523 | 37 | struct srd_probe; |
b213ef09 | 38 | struct srd_proto_data; |
9d20a741 | 39 | struct srd_session; |
119aff65 JH |
40 | |
41 | namespace pv { | |
708c5523 JH |
42 | |
43 | namespace view { | |
3045c869 | 44 | class LogicSignal; |
e0fc5810 JH |
45 | |
46 | namespace decode { | |
47 | class Annotation; | |
48 | } | |
49 | ||
708c5523 JH |
50 | } |
51 | ||
119aff65 JH |
52 | namespace data { |
53 | ||
640d69ce JH |
54 | class Logic; |
55 | ||
e0fc5810 | 56 | class Decoder : public QObject, public SignalData |
119aff65 | 57 | { |
e0fc5810 JH |
58 | Q_OBJECT |
59 | ||
60 | private: | |
61 | static const double DecodeMargin; | |
62 | static const double DecodeThreshold; | |
63 | static const int64_t DecodeChunkLength; | |
64 | ||
119aff65 | 65 | public: |
e332f6d3 JH |
66 | Decoder(const srd_decoder *const decoder, |
67 | std::map<const srd_probe*, | |
3045c869 | 68 | boost::shared_ptr<pv::view::LogicSignal> > probes, |
67fe5e9c | 69 | GHashTable *options); |
119aff65 | 70 | |
640d69ce JH |
71 | virtual ~Decoder(); |
72 | ||
119aff65 JH |
73 | const srd_decoder* get_decoder() const; |
74 | ||
e0fc5810 JH |
75 | const std::vector< boost::shared_ptr<pv::view::decode::Annotation> > |
76 | annotations() const; | |
640d69ce | 77 | |
119aff65 JH |
78 | void clear_snapshots(); |
79 | ||
e332f6d3 | 80 | private: |
e0fc5810 JH |
81 | void begin_decode(); |
82 | ||
e92cd4e4 | 83 | bool init_decoder(); |
e332f6d3 | 84 | |
640d69ce JH |
85 | void decode_proc(boost::shared_ptr<data::Logic> data); |
86 | ||
e0fc5810 JH |
87 | static void annotation_callback(srd_proto_data *pdata, |
88 | void *decoder); | |
89 | ||
9cef9567 JH |
90 | signals: |
91 | void new_decode_data(); | |
92 | ||
119aff65 JH |
93 | private: |
94 | const srd_decoder *const _decoder; | |
3045c869 | 95 | std::map<const srd_probe*, boost::shared_ptr<view::LogicSignal> > |
708c5523 | 96 | _probes; |
67fe5e9c | 97 | GHashTable *_options; |
e332f6d3 | 98 | |
9d20a741 | 99 | srd_session *_session; |
e332f6d3 | 100 | srd_decoder_inst *_decoder_inst; |
640d69ce | 101 | |
e0fc5810 JH |
102 | mutable boost::mutex _annotations_mutex; |
103 | std::vector< boost::shared_ptr<pv::view::decode::Annotation> > | |
104 | _annotations; | |
105 | ||
640d69ce | 106 | boost::thread _decode_thread; |
119aff65 JH |
107 | }; |
108 | ||
109 | } // namespace data | |
110 | } // namespace pv | |
111 | ||
112 | #endif // PULSEVIEW_PV_DATA_DECODER_H |