2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
21 #include <boost/bind.hpp>
28 #include "deviceoptions.h"
30 #include <pv/prop/double.h>
31 #include <pv/prop/enum.h>
33 using namespace boost;
40 DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) :
43 GVariant *gvar_opts, *gvar_list;
46 if ((sr_config_list(sdi->driver, SR_CONF_DEVICE_OPTIONS,
47 &gvar_opts, sdi) != SR_OK))
48 /* Driver supports no device instance options. */
51 const int *const options = (const int32_t *)g_variant_get_fixed_array(
52 gvar_opts, &num_opts, sizeof(int32_t));
53 for (unsigned int i = 0; i < num_opts; i++) {
54 const struct sr_config_info *const info =
55 sr_config_info_get(options[i]);
57 const int key = info->key;
59 if (!info || sr_config_list(_sdi->driver, key,
60 &gvar_list, _sdi) != SR_OK)
63 const QString name(info->name);
67 case SR_CONF_SAMPLERATE:
68 bind_samplerate(name, gvar_list);
71 case SR_CONF_PATTERN_MODE:
72 case SR_CONF_BUFFERSIZE:
73 case SR_CONF_TRIGGER_SOURCE:
75 case SR_CONF_COUPLING:
76 bind_enum(name, key, gvar_list);
79 case SR_CONF_TIMEBASE:
80 bind_enum(name, key, gvar_list, print_timebase);
84 bind_enum(name, key, gvar_list, print_vdiv);
88 g_variant_unref(gvar_list);
90 g_variant_unref(gvar_opts);
93 GVariant* DeviceOptions::config_getter(
94 const struct sr_dev_inst *sdi, int key)
96 GVariant *data = NULL;
97 if (sr_config_get(sdi->driver, key, &data, sdi) != SR_OK) {
99 "WARNING: Failed to get value of config id" << key;
105 void DeviceOptions::config_setter(
106 const struct sr_dev_inst *sdi, int key, GVariant* value)
108 if (sr_config_set(sdi, key, value) != SR_OK)
109 qDebug() << "WARNING: Failed to set value of sample rate";
112 void DeviceOptions::bind_enum(const QString &name, int key,
113 GVariant *const gvar_list, function<QString (GVariant*)> printer)
117 vector< pair<GVariant*, QString> > values;
119 g_variant_iter_init (&iter, gvar_list);
120 while ((gvar = g_variant_iter_next_value (&iter)))
121 values.push_back(make_pair(gvar, printer(gvar)));
123 _properties.push_back(shared_ptr<Property>(
124 new Enum(name, values,
125 bind(config_getter, _sdi, key),
126 bind(config_setter, _sdi, key, _1))));
129 QString DeviceOptions::print_gvariant(GVariant *const gvar)
133 if (g_variant_is_of_type(gvar, G_VARIANT_TYPE("s")))
134 s = QString(g_variant_get_string(gvar, NULL));
137 gchar *const text = g_variant_print(gvar, FALSE);
145 void DeviceOptions::bind_samplerate(const QString &name,
146 GVariant *const gvar_list)
148 GVariant *gvar_list_samplerates;
150 if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list,
151 "samplerate-steps", G_VARIANT_TYPE("at"))))
154 const uint64_t *const elements =
155 (const uint64_t *)g_variant_get_fixed_array(
156 gvar_list_samplerates, &num_elements, sizeof(uint64_t));
158 assert(num_elements == 3);
160 _properties.push_back(shared_ptr<Property>(
161 new Double(name, 0, QObject::tr("Hz"),
162 make_pair((double)elements[0], (double)elements[1]),
164 bind(samplerate_double_getter, _sdi),
165 bind(samplerate_double_setter, _sdi, _1))));
167 g_variant_unref(gvar_list_samplerates);
169 else if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list,
170 "samplerates", G_VARIANT_TYPE("at"))))
172 bind_enum(name, SR_CONF_SAMPLERATE,
173 gvar_list_samplerates, print_samplerate);
174 g_variant_unref(gvar_list_samplerates);
178 QString DeviceOptions::print_samplerate(GVariant *const gvar)
180 char *const s = sr_samplerate_string(
181 g_variant_get_uint64(gvar));
182 const QString qstring(s);
187 GVariant* DeviceOptions::samplerate_double_getter(
188 const struct sr_dev_inst *sdi)
190 GVariant *const gvar = config_getter(sdi, SR_CONF_SAMPLERATE);
195 GVariant *const gvar_double = g_variant_new_double(
196 g_variant_get_uint64(gvar));
198 g_variant_unref(gvar);
203 void DeviceOptions::samplerate_double_setter(
204 struct sr_dev_inst *sdi, GVariant *value)
206 GVariant *const gvar = g_variant_new_uint64(
207 g_variant_get_double(value));
208 config_setter(sdi, SR_CONF_SAMPLERATE, gvar);
211 QString DeviceOptions::print_timebase(GVariant *const gvar)
214 g_variant_get(gvar, "(tt)", &p, &q);
215 return QString(sr_period_string(p * q));
218 QString DeviceOptions::print_vdiv(GVariant *const gvar)
221 g_variant_get(gvar, "(tt)", &p, &q);
222 return QString(sr_voltage_string(p, q));