+++ /dev/null
-/*
- * 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 <assert.h>
-
-#include <boost/foreach.hpp>
-
-extern "C" {
-#include <libsigrok/libsigrok.h>
-}
-
-#include <QAction>
-
-#include "samplingbar.h"
-
-const uint64_t SamplingBar::RecordLengths[11] = {
- 1000000,
- 2000000,
- 5000000,
- 10000000,
- 25000000,
- 50000000,
- 100000000,
- 250000000,
- 500000000,
- 1000000000,
- 10000000000
-};
-
-SamplingBar::SamplingBar(QWidget *parent) :
- QToolBar("Sampling Bar", parent),
- _device_selector(this),
- _record_length_selector(this),
- _sample_rate_list(this),
- _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()));
-
- _sample_rate_value.setDecimals(0);
- _sample_rate_value.setSuffix("Hz");
-
- BOOST_FOREACH(uint64_t l, RecordLengths)
- {
- char *const text = sr_si_string_u64(l, " samples");
- _record_length_selector.addItem(QString(text),
- qVariantFromValue(l));
- g_free(text);
- }
-
- _run_stop_button.setText("Run");
-
- addWidget(&_device_selector);
- addWidget(&_record_length_selector);
- _sample_rate_list_action = addWidget(&_sample_rate_list);
- _sample_rate_value_action = addWidget(&_sample_rate_value);
- addWidget(&_run_stop_button);
-
- update_device_selector();
- 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*>();
-}
-
-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>();
-}
-
-uint64_t SamplingBar::get_sample_rate() const
-{
- assert(_sample_rate_value_action);
- assert(_sample_rate_list_action);
-
- if(_sample_rate_value_action->isVisible())
- return (uint64_t)_sample_rate_value.value();
- else if(_sample_rate_list_action->isVisible())
- {
- const int index = _sample_rate_list.currentIndex();
- if(index < 0)
- return 0;
-
- return _sample_rate_list.itemData(index).value<uint64_t>();
- }
-
- return 0;
-}
-
-void SamplingBar::update_device_selector()
-{
- GSList *devices = NULL;
-
- /* Scan all drivers for all devices. */
- struct sr_dev_driver **const drivers = sr_driver_list();
- for (struct sr_dev_driver **driver = drivers; *driver; driver++) {
- GSList *tmpdevs = sr_driver_scan(*driver, NULL);
- for (GSList *l = tmpdevs; l; l = l->next)
- devices = g_slist_append(devices, l->data);
- g_slist_free(tmpdevs);
- }
-
- for (GSList *l = devices; l; l = l->next) {
- sr_dev_inst *const sdi = (sr_dev_inst*)l->data;
-
- 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));
- }
-
- g_slist_free(devices);
-}
-
-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 (sr_info_get(sdi->driver, SR_DI_SAMPLERATES,
- (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);
- }
-}
-
-void SamplingBar::on_device_selected()
-{
- update_sample_rate_selector();
-}
projects / pulseview.git / blobdiff