]> sigrok.org Git - pulseview.git/blame_incremental - pv/prop/binding/deviceoptions.cpp
Fix some disappearing annotations
[pulseview.git] / pv / prop / binding / deviceoptions.cpp
... / ...
CommitLineData
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 <QDebug>
24#include <QObject>
25
26#include <stdint.h>
27
28#include "deviceoptions.h"
29
30#include <pv/devinst.h>
31#include <pv/prop/bool.h>
32#include <pv/prop/double.h>
33#include <pv/prop/enum.h>
34#include <pv/prop/int.h>
35
36#include <libsigrok/libsigrok.h>
37
38using boost::bind;
39using boost::function;
40using boost::optional;
41using boost::shared_ptr;
42using std::make_pair;
43using std::pair;
44using std::string;
45using std::vector;
46
47namespace pv {
48namespace prop {
49namespace binding {
50
51DeviceOptions::DeviceOptions(shared_ptr<pv::DevInst> dev_inst,
52 const sr_probe_group *group) :
53 _dev_inst(dev_inst),
54 _group(group)
55{
56 assert(dev_inst);
57 sr_dev_inst *const sdi = dev_inst->dev_inst();
58 assert(sdi);
59
60 GVariant *gvar_opts, *gvar_list;
61 gsize num_opts;
62
63 if ((sr_config_list(sdi->driver, sdi, group, SR_CONF_DEVICE_OPTIONS,
64 &gvar_opts) != SR_OK))
65 /* Driver supports no device instance options. */
66 return;
67
68 const int *const options = (const int32_t *)g_variant_get_fixed_array(
69 gvar_opts, &num_opts, sizeof(int32_t));
70 for (unsigned int i = 0; i < num_opts; i++) {
71 const struct sr_config_info *const info =
72 sr_config_info_get(options[i]);
73
74 if (!info)
75 continue;
76
77 const int key = info->key;
78
79 if (sr_config_list(sdi->driver, sdi, group,
80 key, &gvar_list) != SR_OK)
81 gvar_list = NULL;
82
83 const QString name = QString::fromUtf8(info->name);
84
85 switch(key)
86 {
87 case SR_CONF_SAMPLERATE:
88 // Sample rate values are not bound because they are shown
89 // in the SamplingBar
90 break;
91
92 case SR_CONF_CAPTURE_RATIO:
93 bind_int(name, key, "%", pair<int64_t, int64_t>(0, 100));
94 break;
95
96 case SR_CONF_PATTERN_MODE:
97 case SR_CONF_BUFFERSIZE:
98 case SR_CONF_TRIGGER_SOURCE:
99 case SR_CONF_TRIGGER_SLOPE:
100 case SR_CONF_FILTER:
101 case SR_CONF_COUPLING:
102 case SR_CONF_CLOCK_EDGE:
103 bind_enum(name, key, gvar_list);
104 break;
105
106 case SR_CONF_EXTERNAL_CLOCK:
107 case SR_CONF_RLE:
108 bind_bool(name, key);
109 break;
110
111 case SR_CONF_TIMEBASE:
112 bind_enum(name, key, gvar_list, print_timebase);
113 break;
114
115 case SR_CONF_VDIV:
116 bind_enum(name, key, gvar_list, print_vdiv);
117 break;
118
119 case SR_CONF_VOLTAGE_THRESHOLD:
120 bind_enum(name, key, gvar_list, print_voltage_threshold);
121 break;
122 }
123
124 if (gvar_list)
125 g_variant_unref(gvar_list);
126 }
127 g_variant_unref(gvar_opts);
128}
129
130GVariant* DeviceOptions::config_getter(
131 const sr_dev_inst *sdi, const sr_probe_group *group, int key)
132{
133 GVariant *data = NULL;
134 if (sr_config_get(sdi->driver, sdi, group, key, &data) != SR_OK) {
135 qDebug() <<
136 "WARNING: Failed to get value of config id" << key;
137 return NULL;
138 }
139 return data;
140}
141
142void DeviceOptions::config_setter(
143 const struct sr_dev_inst *sdi, const sr_probe_group *group, int key,
144 GVariant* value)
145{
146 if (sr_config_set(sdi, group, key, value) != SR_OK)
147 qDebug() << "WARNING: Failed to set value of sample rate";
148}
149
150void DeviceOptions::bind_bool(const QString &name, int key)
151{
152 sr_dev_inst *const sdi = _dev_inst->dev_inst();
153 assert(sdi);
154
155 _properties.push_back(shared_ptr<Property>(
156 new Bool(name, bind(config_getter, sdi, _group, key),
157 bind(config_setter, sdi, _group, key, _1))));
158}
159
160void DeviceOptions::bind_enum(const QString &name, int key,
161 GVariant *const gvar_list, function<QString (GVariant*)> printer)
162{
163 GVariant *gvar;
164 GVariantIter iter;
165 vector< pair<GVariant*, QString> > values;
166
167 assert(gvar_list);
168
169 sr_dev_inst *const sdi = _dev_inst->dev_inst();
170 assert(sdi);
171
172 g_variant_iter_init (&iter, gvar_list);
173 while ((gvar = g_variant_iter_next_value (&iter)))
174 values.push_back(make_pair(gvar, printer(gvar)));
175
176 _properties.push_back(shared_ptr<Property>(
177 new Enum(name, values,
178 bind(config_getter, sdi, _group, key),
179 bind(config_setter, sdi, _group, key, _1))));
180}
181
182void DeviceOptions::bind_int(const QString &name, int key, QString suffix,
183 optional< std::pair<int64_t, int64_t> > range)
184{
185 sr_dev_inst *const sdi = _dev_inst->dev_inst();
186 assert(sdi);
187
188 _properties.push_back(shared_ptr<Property>(
189 new Int(name, suffix, range,
190 bind(config_getter, sdi, _group, key),
191 bind(config_setter, sdi, _group, key, _1))));
192}
193
194QString DeviceOptions::print_gvariant(GVariant *const gvar)
195{
196 QString s;
197
198 if (g_variant_is_of_type(gvar, G_VARIANT_TYPE("s")))
199 s = QString::fromUtf8(g_variant_get_string(gvar, NULL));
200 else
201 {
202 gchar *const text = g_variant_print(gvar, FALSE);
203 s = QString::fromUtf8(text);
204 g_free(text);
205 }
206
207 return s;
208}
209
210QString DeviceOptions::print_timebase(GVariant *const gvar)
211{
212 uint64_t p, q;
213 g_variant_get(gvar, "(tt)", &p, &q);
214 return QString::fromUtf8(sr_period_string(p * q));
215}
216
217QString DeviceOptions::print_vdiv(GVariant *const gvar)
218{
219 uint64_t p, q;
220 g_variant_get(gvar, "(tt)", &p, &q);
221 return QString::fromUtf8(sr_voltage_string(p, q));
222}
223
224QString DeviceOptions::print_voltage_threshold(GVariant *const gvar)
225{
226 gdouble lo, hi;
227 char buf[64];
228 g_variant_get(gvar, "(dd)", &lo, &hi);
229 snprintf(buf, sizeof(buf), "L<%.1fV H>%.1fV", lo, hi);
230 return QString::fromUtf8(buf);
231}
232
233} // binding
234} // prop
235} // pv
236