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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <cassert> | |
22 | ||
23 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
24 | ||
25 | #include "device.hpp" | |
26 | ||
27 | using std::map; | |
28 | using std::set; | |
29 | ||
30 | using sigrok::ConfigKey; | |
31 | using sigrok::Error; | |
32 | ||
33 | using Glib::VariantBase; | |
34 | using Glib::Variant; | |
35 | ||
36 | namespace pv { | |
37 | namespace devices { | |
38 | ||
39 | Device::Device() { | |
40 | } | |
41 | ||
42 | Device::~Device() { | |
43 | if (session_) | |
44 | session_->remove_datafeed_callbacks(); | |
45 | } | |
46 | ||
47 | std::shared_ptr<sigrok::Session> Device::session() const { | |
48 | return session_; | |
49 | } | |
50 | ||
51 | std::shared_ptr<sigrok::Device> Device::device() const { | |
52 | return device_; | |
53 | } | |
54 | ||
55 | template | |
56 | uint64_t Device::read_config(const sigrok::ConfigKey*, | |
57 | const uint64_t); | |
58 | ||
59 | template<typename T> | |
60 | T Device::read_config(const ConfigKey *key, const T default_value) | |
61 | { | |
62 | assert(key); | |
63 | map< const ConfigKey*, set<sigrok::Capability> > keys; | |
64 | ||
65 | if (!device_) | |
66 | return default_value; | |
67 | ||
68 | try { | |
69 | keys = device_->config_keys(ConfigKey::DEVICE_OPTIONS); | |
70 | } catch (const Error) { | |
71 | return default_value; | |
72 | } | |
73 | ||
74 | const auto iter = keys.find(key); | |
75 | if (iter == keys.end() || | |
76 | (*iter).second.find(sigrok::GET) == (*iter).second.end()) | |
77 | return default_value; | |
78 | ||
79 | return VariantBase::cast_dynamic<Variant<T>>( | |
80 | device_->config_get(ConfigKey::SAMPLERATE)).get(); | |
81 | } | |
82 | ||
83 | void Device::start() { | |
84 | assert(session_); | |
85 | session_->start(); | |
86 | } | |
87 | ||
88 | void Device::run() { | |
89 | assert(device_); | |
90 | assert(session_); | |
91 | session_->run(); | |
92 | } | |
93 | ||
94 | void Device::stop() { | |
95 | assert(session_); | |
96 | session_->stop(); | |
97 | } | |
98 | ||
99 | } // namespace devices | |
100 | } // namespace pv |