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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2015 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 | #include <type_traits> | |
22 | ||
23 | #include <QApplication> | |
24 | #include <QDebug> | |
25 | #include <QString> | |
26 | ||
27 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
28 | ||
29 | #include "device.hpp" | |
30 | ||
31 | using std::is_same; | |
32 | using std::shared_ptr; | |
33 | ||
34 | using sigrok::ConfigKey; | |
35 | using sigrok::Capability; | |
36 | ||
37 | using Glib::VariantBase; | |
38 | using Glib::Variant; | |
39 | ||
40 | namespace pv { | |
41 | namespace devices { | |
42 | ||
43 | Device::~Device() | |
44 | { | |
45 | if (session_) | |
46 | session_->remove_datafeed_callbacks(); | |
47 | } | |
48 | ||
49 | shared_ptr<sigrok::Session> Device::session() const | |
50 | { | |
51 | return session_; | |
52 | } | |
53 | ||
54 | shared_ptr<sigrok::Device> Device::device() const | |
55 | { | |
56 | return device_; | |
57 | } | |
58 | ||
59 | template uint64_t Device::read_config(const sigrok::ConfigKey*, const uint64_t); | |
60 | ||
61 | template<typename T> | |
62 | T Device::read_config(const ConfigKey *key, const T default_value) | |
63 | { | |
64 | assert(key); | |
65 | ||
66 | if (!device_) | |
67 | return default_value; | |
68 | ||
69 | if (!device_->config_check(key, Capability::GET)) { | |
70 | qWarning() << QApplication::tr("Querying config key %1 is not allowed") | |
71 | .arg(QString::fromStdString(key->identifier())); | |
72 | return default_value; | |
73 | } | |
74 | ||
75 | VariantBase value; | |
76 | try { | |
77 | value = device_->config_get(key); | |
78 | } catch (const sigrok::Error &e) { | |
79 | qWarning() << QApplication::tr("Querying config key %1 resulted in %2") | |
80 | .arg(QString::fromStdString(key->identifier()), e.what()); | |
81 | return default_value; | |
82 | } | |
83 | ||
84 | if (is_same<T, uint32_t>::value) | |
85 | return VariantBase::cast_dynamic<Glib::Variant<guint32>>(value).get(); | |
86 | if (is_same<T, int32_t>::value) | |
87 | return VariantBase::cast_dynamic<Glib::Variant<gint32>>(value).get(); | |
88 | if (is_same<T, uint64_t>::value) | |
89 | return VariantBase::cast_dynamic<Glib::Variant<guint64>>(value).get(); | |
90 | if (is_same<T, int64_t>::value) | |
91 | return VariantBase::cast_dynamic<Glib::Variant<gint64>>(value).get(); | |
92 | ||
93 | qWarning() << QApplication::tr("Unknown type supplied when attempting to query %1") | |
94 | .arg(QString::fromStdString(key->identifier())); | |
95 | return default_value; | |
96 | } | |
97 | ||
98 | void Device::start() | |
99 | { | |
100 | assert(session_); | |
101 | session_->start(); | |
102 | } | |
103 | ||
104 | void Device::run() | |
105 | { | |
106 | assert(device_); | |
107 | assert(session_); | |
108 | session_->run(); | |
109 | } | |
110 | ||
111 | void Device::stop() | |
112 | { | |
113 | assert(session_); | |
114 | session_->stop(); | |
115 | } | |
116 | ||
117 | } // namespace devices | |
118 | } // namespace pv |