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v0.4 release
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274
DSLogic-gui/pv/prop/binding/deviceoptions.cpp
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274
DSLogic-gui/pv/prop/binding/deviceoptions.cpp
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/*
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* This file is part of the DSLogic-gui project.
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* DSLogic-gui is based on PulseView.
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*
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* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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* Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <boost/bind.hpp>
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#include <QDebug>
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#include <QObject>
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#include <stdint.h>
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#include "deviceoptions.h"
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#include <pv/prop/bool.h>
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#include <pv/prop/double.h>
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#include <pv/prop/enum.h>
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#include <pv/prop/int.h>
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using namespace boost;
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using namespace std;
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namespace pv {
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namespace prop {
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namespace binding {
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DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) :
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_sdi(sdi)
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{
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GVariant *gvar_opts, *gvar_list;
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gsize num_opts;
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if ((sr_config_list(sdi->driver, sdi, NULL, SR_CONF_DEVICE_CONFIGS,
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&gvar_opts) != SR_OK))
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/* Driver supports no device instance options. */
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return;
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const int *const options = (const int32_t *)g_variant_get_fixed_array(
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gvar_opts, &num_opts, sizeof(int32_t));
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for (unsigned int i = 0; i < num_opts; i++) {
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const struct sr_config_info *const info =
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sr_config_info_get(options[i]);
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if (!info)
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continue;
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const int key = info->key;
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if(sr_config_list(_sdi->driver, _sdi, NULL, key, &gvar_list) != SR_OK)
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gvar_list = NULL;
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const QString name(info->name);
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switch(key)
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{
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case SR_CONF_SAMPLERATE:
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bind_samplerate(name, gvar_list);
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break;
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case SR_CONF_CAPTURE_RATIO:
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bind_int(name, key, "%", pair<int64_t, int64_t>(0, 100));
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break;
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case SR_CONF_PATTERN_MODE:
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case SR_CONF_BUFFERSIZE:
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case SR_CONF_TRIGGER_SOURCE:
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case SR_CONF_FILTER:
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case SR_CONF_COUPLING:
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case SR_CONF_EN_CH:
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case SR_CONF_OPERATION_MODE:
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case SR_CONF_THRESHOLD:
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case SR_CONF_ZERO:
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bind_enum(name, key, gvar_list);
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break;
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case SR_CONF_RLE:
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bind_bool(name, key);
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break;
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case SR_CONF_CLOCK_TYPE:
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case SR_CONF_CLOCK_EDGE:
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bind_bool(name, key);
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break;
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case SR_CONF_TIMEBASE:
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bind_enum(name, key, gvar_list, print_timebase);
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break;
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case SR_CONF_VDIV:
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bind_enum(name, key, gvar_list, print_vdiv);
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break;
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default:
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gvar_list = NULL;
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}
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if (gvar_list)
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g_variant_unref(gvar_list);
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}
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g_variant_unref(gvar_opts);
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}
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GVariant* DeviceOptions::config_getter(
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const struct sr_dev_inst *sdi, int key)
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{
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GVariant *data = NULL;
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if (sr_config_get(sdi->driver, sdi, NULL, NULL, key, &data) != SR_OK) {
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qDebug() <<
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"WARNING: Failed to get value of config id" << key;
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return NULL;
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}
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return data;
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}
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void DeviceOptions::config_setter(
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const struct sr_dev_inst *sdi, int key, GVariant* value)
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{
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if (sr_config_set(sdi, NULL, NULL, key, value) != SR_OK)
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qDebug() << "WARNING: Failed to set value of sample rate";
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}
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void DeviceOptions::bind_bool(const QString &name, int key)
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{
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_properties.push_back(boost::shared_ptr<Property>(
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new Bool(name, bind(config_getter, _sdi, key),
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bind(config_setter, _sdi, key, _1))));
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}
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void DeviceOptions::bind_enum(const QString &name, int key,
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GVariant *const gvar_list, boost::function<QString (GVariant*)> printer)
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{
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GVariant *gvar;
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GVariantIter iter;
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vector< pair<GVariant*, QString> > values;
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assert(gvar_list);
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g_variant_iter_init (&iter, gvar_list);
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while ((gvar = g_variant_iter_next_value (&iter)))
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values.push_back(make_pair(gvar, printer(gvar)));
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_properties.push_back(boost::shared_ptr<Property>(
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new Enum(name, values,
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bind(config_getter, _sdi, key),
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bind(config_setter, _sdi, key, _1))));
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}
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void DeviceOptions::bind_int(const QString &name, int key, QString suffix,
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optional< std::pair<int64_t, int64_t> > range)
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{
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_properties.push_back(boost::shared_ptr<Property>(
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new Int(name, suffix, range,
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bind(config_getter, _sdi, key),
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bind(config_setter, _sdi, key, _1))));
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}
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QString DeviceOptions::print_gvariant(GVariant *const gvar)
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{
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QString s;
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if (g_variant_is_of_type(gvar, G_VARIANT_TYPE("s")))
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s = QString(g_variant_get_string(gvar, NULL));
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else
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{
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gchar *const text = g_variant_print(gvar, FALSE);
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s = QString(text);
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g_free(text);
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}
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return s;
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}
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void DeviceOptions::bind_samplerate(const QString &name,
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GVariant *const gvar_list)
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{
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GVariant *gvar_list_samplerates;
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assert(gvar_list);
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if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list,
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"samplerate-steps", G_VARIANT_TYPE("at"))))
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{
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gsize num_elements;
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const uint64_t *const elements =
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(const uint64_t *)g_variant_get_fixed_array(
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gvar_list_samplerates, &num_elements, sizeof(uint64_t));
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assert(num_elements == 3);
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_properties.push_back(boost::shared_ptr<Property>(
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new Double(name, 0, QObject::tr("Hz"),
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make_pair((double)elements[0], (double)elements[1]),
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(double)elements[2],
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bind(samplerate_double_getter, _sdi),
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bind(samplerate_double_setter, _sdi, _1))));
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g_variant_unref(gvar_list_samplerates);
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}
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else if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list,
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"samplerates", G_VARIANT_TYPE("at"))))
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{
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bind_enum(name, SR_CONF_SAMPLERATE,
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gvar_list_samplerates, print_samplerate);
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g_variant_unref(gvar_list_samplerates);
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}
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}
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QString DeviceOptions::print_samplerate(GVariant *const gvar)
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{
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char *const s = sr_samplerate_string(
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g_variant_get_uint64(gvar));
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const QString qstring(s);
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g_free(s);
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return qstring;
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}
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GVariant* DeviceOptions::samplerate_double_getter(
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const struct sr_dev_inst *sdi)
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{
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GVariant *const gvar = config_getter(sdi, SR_CONF_SAMPLERATE);
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if(!gvar)
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return NULL;
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GVariant *const gvar_double = g_variant_new_double(
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g_variant_get_uint64(gvar));
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g_variant_unref(gvar);
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return gvar_double;
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}
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void DeviceOptions::samplerate_double_setter(
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struct sr_dev_inst *sdi, GVariant *value)
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{
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GVariant *const gvar = g_variant_new_uint64(
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g_variant_get_double(value));
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config_setter(sdi, SR_CONF_SAMPLERATE, gvar);
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}
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QString DeviceOptions::print_timebase(GVariant *const gvar)
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{
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uint64_t p, q;
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g_variant_get(gvar, "(tt)", &p, &q);
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return QString(sr_period_string(p * q));
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}
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QString DeviceOptions::print_vdiv(GVariant *const gvar)
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{
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uint64_t p, q;
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g_variant_get(gvar, "(tt)", &p, &q);
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return QString(sr_voltage_string(p, q));
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}
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} // binding
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} // prop
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} // pv
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