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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 <boost/bind.hpp> | |
22 | ||
23 | #include <stdint.h> | |
24 | ||
25 | #include <QDebug> | |
26 | ||
27 | #include "deviceoptions.h" | |
28 | ||
29 | #include <pv/device/devinst.h> | |
30 | #include <pv/prop/bool.h> | |
31 | #include <pv/prop/double.h> | |
32 | #include <pv/prop/enum.h> | |
33 | #include <pv/prop/int.h> | |
34 | ||
35 | #include <libsigrok/libsigrok.h> | |
36 | ||
37 | using boost::bind; | |
38 | using boost::function; | |
39 | using boost::optional; | |
40 | using boost::shared_ptr; | |
41 | using std::make_pair; | |
42 | using std::pair; | |
43 | using std::string; | |
44 | using std::vector; | |
45 | ||
46 | namespace pv { | |
47 | namespace prop { | |
48 | namespace binding { | |
49 | ||
50 | DeviceOptions::DeviceOptions(shared_ptr<pv::device::DevInst> dev_inst, | |
51 | const sr_channel_group *group) : | |
52 | _dev_inst(dev_inst), | |
53 | _group(group) | |
54 | { | |
55 | assert(dev_inst); | |
56 | ||
57 | GVariant *gvar_opts; | |
58 | gsize num_opts; | |
59 | ||
60 | if (!(gvar_opts = dev_inst->list_config(group, SR_CONF_DEVICE_OPTIONS))) | |
61 | /* Driver supports no device instance options. */ | |
62 | return; | |
63 | ||
64 | const int *const options = (const int32_t *)g_variant_get_fixed_array( | |
65 | gvar_opts, &num_opts, sizeof(int32_t)); | |
66 | for (unsigned int i = 0; i < num_opts; i++) { | |
67 | const struct sr_config_info *const info = | |
68 | sr_config_info_get(options[i]); | |
69 | ||
70 | if (!info) | |
71 | continue; | |
72 | ||
73 | const int key = info->key; | |
74 | GVariant *const gvar_list = dev_inst->list_config(group, key); | |
75 | ||
76 | const QString name = QString::fromUtf8(info->name); | |
77 | ||
78 | switch(key) | |
79 | { | |
80 | case SR_CONF_SAMPLERATE: | |
81 | // Sample rate values are not bound because they are shown | |
82 | // in the SamplingBar | |
83 | break; | |
84 | ||
85 | case SR_CONF_CAPTURE_RATIO: | |
86 | bind_int(name, key, "%", pair<int64_t, int64_t>(0, 100)); | |
87 | break; | |
88 | ||
89 | case SR_CONF_PATTERN_MODE: | |
90 | case SR_CONF_BUFFERSIZE: | |
91 | case SR_CONF_TRIGGER_SOURCE: | |
92 | case SR_CONF_TRIGGER_SLOPE: | |
93 | case SR_CONF_FILTER: | |
94 | case SR_CONF_COUPLING: | |
95 | case SR_CONF_CLOCK_EDGE: | |
96 | bind_enum(name, key, gvar_list); | |
97 | break; | |
98 | ||
99 | case SR_CONF_EXTERNAL_CLOCK: | |
100 | case SR_CONF_RLE: | |
101 | bind_bool(name, key); | |
102 | break; | |
103 | ||
104 | case SR_CONF_TIMEBASE: | |
105 | bind_enum(name, key, gvar_list, print_timebase); | |
106 | break; | |
107 | ||
108 | case SR_CONF_VDIV: | |
109 | bind_enum(name, key, gvar_list, print_vdiv); | |
110 | break; | |
111 | ||
112 | case SR_CONF_VOLTAGE_THRESHOLD: | |
113 | bind_enum(name, key, gvar_list, print_voltage_threshold); | |
114 | break; | |
115 | } | |
116 | ||
117 | if (gvar_list) | |
118 | g_variant_unref(gvar_list); | |
119 | } | |
120 | g_variant_unref(gvar_opts); | |
121 | } | |
122 | ||
123 | void DeviceOptions::bind_bool(const QString &name, int key) | |
124 | { | |
125 | assert(_dev_inst); | |
126 | _properties.push_back(shared_ptr<Property>(new Bool(name, | |
127 | bind(&device::DevInst::get_config, _dev_inst, _group, key), | |
128 | bind(&device::DevInst::set_config, _dev_inst, | |
129 | _group, key, _1)))); | |
130 | } | |
131 | ||
132 | void DeviceOptions::bind_enum(const QString &name, int key, | |
133 | GVariant *const gvar_list, function<QString (GVariant*)> printer) | |
134 | { | |
135 | GVariant *gvar; | |
136 | GVariantIter iter; | |
137 | vector< pair<GVariant*, QString> > values; | |
138 | ||
139 | assert(_dev_inst); | |
140 | if (!gvar_list) { | |
141 | qDebug() << "Config key " << key << " was listed, but no " | |
142 | "options were given"; | |
143 | return; | |
144 | } | |
145 | ||
146 | g_variant_iter_init (&iter, gvar_list); | |
147 | while ((gvar = g_variant_iter_next_value (&iter))) | |
148 | values.push_back(make_pair(gvar, printer(gvar))); | |
149 | ||
150 | _properties.push_back(shared_ptr<Property>(new Enum(name, values, | |
151 | bind(&device::DevInst::get_config, _dev_inst, _group, key), | |
152 | bind(&device::DevInst::set_config, _dev_inst, | |
153 | _group, key, _1)))); | |
154 | } | |
155 | ||
156 | void DeviceOptions::bind_int(const QString &name, int key, QString suffix, | |
157 | optional< std::pair<int64_t, int64_t> > range) | |
158 | { | |
159 | assert(_dev_inst); | |
160 | ||
161 | _properties.push_back(shared_ptr<Property>(new Int(name, suffix, range, | |
162 | bind(&device::DevInst::get_config, _dev_inst, _group, key), | |
163 | bind(&device::DevInst::set_config, _dev_inst, _group, key, _1)))); | |
164 | } | |
165 | ||
166 | QString DeviceOptions::print_timebase(GVariant *const gvar) | |
167 | { | |
168 | uint64_t p, q; | |
169 | g_variant_get(gvar, "(tt)", &p, &q); | |
170 | return QString::fromUtf8(sr_period_string(p * q)); | |
171 | } | |
172 | ||
173 | QString DeviceOptions::print_vdiv(GVariant *const gvar) | |
174 | { | |
175 | uint64_t p, q; | |
176 | g_variant_get(gvar, "(tt)", &p, &q); | |
177 | return QString::fromUtf8(sr_voltage_string(p, q)); | |
178 | } | |
179 | ||
180 | QString DeviceOptions::print_voltage_threshold(GVariant *const gvar) | |
181 | { | |
182 | gdouble lo, hi; | |
183 | char buf[64]; | |
184 | g_variant_get(gvar, "(dd)", &lo, &hi); | |
185 | snprintf(buf, sizeof(buf), "L<%.1fV H>%.1fV", lo, hi); | |
186 | return QString::fromUtf8(buf); | |
187 | } | |
188 | ||
189 | } // binding | |
190 | } // prop | |
191 | } // pv | |
192 |