-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <extdef.h>
-
-#include <assert.h>
-
-#include <boost/foreach.hpp>
-
-#include <libsigrok/libsigrok.h>
-
-#include <QAction>
-#include <QDebug>
-
-#include "samplingbar.h"
-
-#include <pv/dialogs/deviceoptions.h>
-
-namespace pv {
-
-const uint64_t SamplingBar::RecordLengths[20] = {
- 1000,
- 2500,
- 5000,
- 10000,
- 25000,
- 50000,
- 100000,
- 250000,
- 500000,
- 1000000,
- 2000000,
- 5000000,
- 10000000,
- 25000000,
- 50000000,
- 100000000,
- 250000000,
- 500000000,
- 1000000000,
- 10000000000ULL,
-};
-
-const uint64_t SamplingBar::DefaultRecordLength = 1000000;
-
-SamplingBar::SamplingBar(QWidget *parent) :
- QToolBar("Sampling Bar", parent),
- _device_selector(this),
- _configure_button(this),
- _record_length_selector(this),
- _sample_rate_list(this),
- _icon_green(":/icons/status-green.svg"),
- _icon_grey(":/icons/status-grey.svg"),
- _run_stop_button(this)
-{
- connect(&_run_stop_button, SIGNAL(clicked()),
- this, SIGNAL(run_stop()));
- connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
- this, SLOT(on_device_selected()));
- connect(&_configure_button, SIGNAL(clicked()),
- this, SLOT(configure()));
-
- _sample_rate_value.setDecimals(0);
- _sample_rate_value.setSuffix("Hz");
-
- for (size_t i = 0; i < countof(RecordLengths); i++)
- {
- const uint64_t &l = RecordLengths[i];
- char *const text = sr_si_string_u64(l, " samples");
- _record_length_selector.addItem(QString(text),
- qVariantFromValue(l));
- g_free(text);
-
- if (l == DefaultRecordLength)
- _record_length_selector.setCurrentIndex(i);
- }
-
- set_sampling(false);
-
- _configure_button.setIcon(QIcon::fromTheme("configure",
- QIcon(":/icons/configure.png")));
-
- _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-
- addWidget(&_device_selector);
- addWidget(&_configure_button);
- addWidget(&_record_length_selector);
- _sample_rate_list_action = addWidget(&_sample_rate_list);
- _sample_rate_value_action = addWidget(&_sample_rate_value);
- addWidget(&_run_stop_button);
-
- connect(&_sample_rate_list, SIGNAL(currentIndexChanged(int)),
- this, SLOT(on_sample_rate_changed()));
- connect(&_sample_rate_value, SIGNAL(editingFinished()),
- this, SLOT(on_sample_rate_changed()));
-}
-
-void SamplingBar::set_device_list(
- const std::list<struct sr_dev_inst*> &devices)
-{
- _device_selector.clear();
-
- BOOST_FOREACH (sr_dev_inst *sdi, devices) {
- QString title;
- if (sdi->vendor && sdi->vendor[0])
- title += sdi->vendor + QString(" ");
- if (sdi->model && sdi->model[0])
- title += sdi->model + QString(" ");
- if (sdi->version && sdi->version[0])
- title += sdi->version + QString(" ");
-
- _device_selector.addItem(title, qVariantFromValue(
- (void*)sdi));
- }
-
- update_sample_rate_selector();
-}
-
-struct sr_dev_inst* SamplingBar::get_selected_device() const
-{
- const int index = _device_selector.currentIndex();
- if (index < 0)
- return NULL;
-
- return (sr_dev_inst*)_device_selector.itemData(
- index).value<void*>();
-}
-
-void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
-{
- for (int i = 0; i < _device_selector.count(); i++)
- if (sdi == _device_selector.itemData(i).value<void*>()) {
- _device_selector.setCurrentIndex(i);
- return;
- }
-}
-
-uint64_t SamplingBar::get_record_length() const
-{
- const int index = _record_length_selector.currentIndex();
- if (index < 0)
- return 0;
-
- return _record_length_selector.itemData(index).value<uint64_t>();
-}
-
-void SamplingBar::set_sampling(bool sampling)
-{
- _run_stop_button.setIcon(sampling ? _icon_green : _icon_grey);
- _run_stop_button.setText(sampling ? "Stop" : "Run");
-}
-
-void SamplingBar::update_sample_rate_selector()
-{
- const sr_dev_inst *const sdi = get_selected_device();
- const struct sr_samplerates *samplerates;
-
- assert(_sample_rate_value_action);
- assert(_sample_rate_list_action);
-
- if (!sdi)
- return;
-
- if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE,
- (const void **)&samplerates, sdi) != SR_OK)
- return;
-
- _sample_rate_list_action->setVisible(false);
- _sample_rate_value_action->setVisible(false);
-
- if (samplerates->step)
- {
- _sample_rate_value.setRange(
- samplerates->low, samplerates->high);
- _sample_rate_value.setSingleStep(samplerates->step);
- _sample_rate_value_action->setVisible(true);
- }
- else
- {
- _sample_rate_list.clear();
- for (const uint64_t *rate = samplerates->list;
- *rate; rate++)
- _sample_rate_list.addItem(
- sr_samplerate_string(*rate),
- qVariantFromValue(*rate));
- _sample_rate_list.show();
- _sample_rate_list_action->setVisible(true);
- }
-
- update_sample_rate_selector_value();
-}
-
-void SamplingBar::update_sample_rate_selector_value()
-{
- sr_dev_inst *const sdi = get_selected_device();
- assert(sdi);
-
- uint64_t *samplerate = NULL;
- if (sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
- (const void**)&samplerate, sdi) != SR_OK) {
- qDebug() <<
- "WARNING: Failed to get value of sample rate";
- return;
- }
-
- assert(_sample_rate_value_action);
- assert(_sample_rate_list_action);
-
- if (_sample_rate_value_action->isVisible())
- _sample_rate_value.setValue(*samplerate);
- else if (_sample_rate_list_action->isVisible())
- {
- for (int i = 0; i < _sample_rate_list.count(); i++)
- if (*samplerate == _sample_rate_list.itemData(
- i).value<uint64_t>())
- _sample_rate_list.setCurrentIndex(i);
- }
-}
-
-void SamplingBar::commit_sample_rate()
-{
- uint64_t sample_rate = 0;
-
- sr_dev_inst *const sdi = get_selected_device();
- assert(sdi);
-
- assert(_sample_rate_value_action);
- assert(_sample_rate_list_action);
-
- if (_sample_rate_value_action->isVisible())
- sample_rate = (uint64_t)_sample_rate_value.value();
- else if (_sample_rate_list_action->isVisible())
- {
- const int index = _sample_rate_list.currentIndex();
- if (index >= 0)
- sample_rate = _sample_rate_list.itemData(
- index).value<uint64_t>();
- }
-
- // Set the samplerate
- if (sr_config_set(sdi, SR_CONF_SAMPLERATE,
- &sample_rate) != SR_OK) {
- qDebug() << "Failed to configure samplerate.";
- return;
- }
-}
-
-void SamplingBar::on_device_selected()
-{
- update_sample_rate_selector();
-}
-
-void SamplingBar::on_sample_rate_changed()
-{
- commit_sample_rate();
-}
-
-void SamplingBar::configure()
-{
- commit_sample_rate();
-
- sr_dev_inst *const sdi = get_selected_device();
- assert(sdi);
-
- pv::dialogs::DeviceOptions dlg(this, sdi);
- dlg.exec();
-
- update_sample_rate_selector_value();
-}
-
-} // namespace pv