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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <stdint.h> | |
22 | ||
23 | #include <QDebug> | |
24 | ||
25 | #include "deviceoptions.h" | |
26 | ||
27 | #include <pv/device/devinst.h> | |
28 | #include <pv/prop/bool.h> | |
29 | #include <pv/prop/double.h> | |
30 | #include <pv/prop/enum.h> | |
31 | #include <pv/prop/int.h> | |
32 | ||
33 | #include <libsigrok/libsigrok.h> | |
34 | ||
35 | using boost::optional; | |
36 | using std::function; | |
37 | using std::make_pair; | |
38 | using std::pair; | |
39 | using std::shared_ptr; | |
40 | using std::string; | |
41 | using std::vector; | |
42 | ||
43 | namespace pv { | |
44 | namespace prop { | |
45 | namespace binding { | |
46 | ||
47 | DeviceOptions::DeviceOptions(shared_ptr<pv::device::DevInst> dev_inst, | |
48 | const sr_channel_group *group) : | |
49 | _dev_inst(dev_inst), | |
50 | _group(group) | |
51 | { | |
52 | assert(dev_inst); | |
53 | ||
54 | GVariant *gvar_opts; | |
55 | gsize num_opts; | |
56 | ||
57 | if (!(gvar_opts = dev_inst->list_config(group, SR_CONF_DEVICE_OPTIONS))) | |
58 | /* Driver supports no device instance options. */ | |
59 | return; | |
60 | ||
61 | const int *const options = (const int32_t *)g_variant_get_fixed_array( | |
62 | gvar_opts, &num_opts, sizeof(int32_t)); | |
63 | for (unsigned int i = 0; i < num_opts; i++) { | |
64 | const struct sr_config_info *const info = | |
65 | sr_config_info_get(options[i]); | |
66 | ||
67 | if (!info) | |
68 | continue; | |
69 | ||
70 | const int key = info->key; | |
71 | GVariant *const gvar_list = dev_inst->list_config(group, key); | |
72 | ||
73 | const QString name = QString::fromUtf8(info->name); | |
74 | ||
75 | const Property::Getter get = [&, key]() { | |
76 | return _dev_inst->get_config(_group, key); }; | |
77 | const Property::Setter set = [&, key](GVariant *value) { | |
78 | _dev_inst->set_config(_group, key, value); }; | |
79 | ||
80 | switch(key) | |
81 | { | |
82 | case SR_CONF_SAMPLERATE: | |
83 | // Sample rate values are not bound because they are shown | |
84 | // in the SamplingBar | |
85 | break; | |
86 | ||
87 | case SR_CONF_CAPTURE_RATIO: | |
88 | bind_int(name, "%", pair<int64_t, int64_t>(0, 100), | |
89 | get, set); | |
90 | break; | |
91 | ||
92 | case SR_CONF_PATTERN_MODE: | |
93 | case SR_CONF_BUFFERSIZE: | |
94 | case SR_CONF_TRIGGER_SOURCE: | |
95 | case SR_CONF_TRIGGER_SLOPE: | |
96 | case SR_CONF_FILTER: | |
97 | case SR_CONF_COUPLING: | |
98 | case SR_CONF_CLOCK_EDGE: | |
99 | bind_enum(name, key, gvar_list, get, set); | |
100 | break; | |
101 | ||
102 | case SR_CONF_EXTERNAL_CLOCK: | |
103 | case SR_CONF_RLE: | |
104 | bind_bool(name, get, set); | |
105 | break; | |
106 | ||
107 | case SR_CONF_TIMEBASE: | |
108 | bind_enum(name, key, gvar_list, | |
109 | get, set, print_timebase); | |
110 | break; | |
111 | ||
112 | case SR_CONF_VDIV: | |
113 | bind_enum(name, key, gvar_list, get, set, print_vdiv); | |
114 | break; | |
115 | ||
116 | case SR_CONF_VOLTAGE_THRESHOLD: | |
117 | bind_enum(name, key, gvar_list, | |
118 | get, set, print_voltage_threshold); | |
119 | break; | |
120 | } | |
121 | ||
122 | if (gvar_list) | |
123 | g_variant_unref(gvar_list); | |
124 | } | |
125 | g_variant_unref(gvar_opts); | |
126 | } | |
127 | ||
128 | void DeviceOptions::bind_bool(const QString &name, | |
129 | Property::Getter getter, Property::Setter setter) | |
130 | { | |
131 | assert(_dev_inst); | |
132 | _properties.push_back(shared_ptr<Property>(new Bool( | |
133 | name, getter, setter))); | |
134 | } | |
135 | ||
136 | void DeviceOptions::bind_enum(const QString &name, int key, | |
137 | GVariant *const gvar_list, Property::Getter getter, | |
138 | Property::Setter setter, function<QString (GVariant*)> printer) | |
139 | { | |
140 | GVariant *gvar; | |
141 | GVariantIter iter; | |
142 | vector< pair<GVariant*, QString> > values; | |
143 | ||
144 | assert(_dev_inst); | |
145 | if (!gvar_list) { | |
146 | qDebug() << "Config key " << key << " was listed, but no " | |
147 | "options were given"; | |
148 | return; | |
149 | } | |
150 | ||
151 | g_variant_iter_init (&iter, gvar_list); | |
152 | while ((gvar = g_variant_iter_next_value (&iter))) | |
153 | values.push_back(make_pair(gvar, printer(gvar))); | |
154 | ||
155 | _properties.push_back(shared_ptr<Property>(new Enum(name, values, | |
156 | getter, setter))); | |
157 | } | |
158 | ||
159 | void DeviceOptions::bind_int(const QString &name, QString suffix, | |
160 | optional< std::pair<int64_t, int64_t> > range, | |
161 | Property::Getter getter, Property::Setter setter) | |
162 | { | |
163 | assert(_dev_inst); | |
164 | ||
165 | _properties.push_back(shared_ptr<Property>(new Int(name, suffix, range, | |
166 | getter, setter))); | |
167 | } | |
168 | ||
169 | QString DeviceOptions::print_timebase(GVariant *const gvar) | |
170 | { | |
171 | uint64_t p, q; | |
172 | g_variant_get(gvar, "(tt)", &p, &q); | |
173 | return QString::fromUtf8(sr_period_string(p * q)); | |
174 | } | |
175 | ||
176 | QString DeviceOptions::print_vdiv(GVariant *const gvar) | |
177 | { | |
178 | uint64_t p, q; | |
179 | g_variant_get(gvar, "(tt)", &p, &q); | |
180 | return QString::fromUtf8(sr_voltage_string(p, q)); | |
181 | } | |
182 | ||
183 | QString DeviceOptions::print_voltage_threshold(GVariant *const gvar) | |
184 | { | |
185 | gdouble lo, hi; | |
186 | char buf[64]; | |
187 | g_variant_get(gvar, "(dd)", &lo, &hi); | |
188 | snprintf(buf, sizeof(buf), "L<%.1fV H>%.1fV", lo, hi); | |
189 | return QString::fromUtf8(buf); | |
190 | } | |
191 | ||
192 | } // binding | |
193 | } // prop | |
194 | } // pv | |
195 |