[pulseview.git] / pv / toolbars / samplingbar.cpp

/*
 * 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/devicemanager.h>
#include <pv/popups/deviceoptions.h>

using namespace std;

namespace pv {
namespace toolbars {

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),
	_probes_button(this),
	_record_length_selector(this),
	_sample_rate_list(this),
	_icon_red(":/icons/status-red.svg"),
	_icon_green(":/icons/status-green.svg"),
	_icon_grey(":/icons/status-grey.svg"),
	_run_stop_button(this)
{
	connect(&_run_stop_button, SIGNAL(clicked()),
		this, SLOT(on_run_stop()));
	connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
		this, SLOT(on_device_selected()));

	_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_capture_state(pv::SigSession::Stopped);

	_configure_button.setIcon(QIcon::fromTheme("configure",
		QIcon(":/icons/configure.png")));
	_probes_button.setIcon(QIcon::fromTheme("probes",
		QIcon(":/icons/probes.svg")));

	_run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);

	addWidget(&_device_selector);
	addWidget(&_configure_button);
	addWidget(&_probes_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) {
		const string title = DeviceManager::format_device_title(sdi);
		_device_selector.addItem(title.c_str(),
			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_capture_state(pv::SigSession::capture_state state)
{
	const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
	_run_stop_button.setIcon(*icons[state]);
	_run_stop_button.setText((state == pv::SigSession::Stopped) ?
		tr("Run") : tr("Stop"));
}

void SamplingBar::update_sample_rate_selector()
{
	const sr_dev_inst *const sdi = get_selected_device();
	GVariant *gvar_dict, *gvar_list;
	const uint64_t *elements = NULL;
	gsize num_elements;
	QAction *selector_action = NULL;

	assert(_sample_rate_value_action);
	assert(_sample_rate_list_action);

	if (!sdi)
		return;

	if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE,
			&gvar_dict, sdi) != SR_OK)
		return;

	_sample_rate_list_action->setVisible(false);
	_sample_rate_value_action->setVisible(false);

	if ((gvar_list = g_variant_lookup_value(gvar_dict,
			"samplerate-steps", G_VARIANT_TYPE("at")))) {
		elements = (const uint64_t *)g_variant_get_fixed_array(
				gvar_list, &num_elements, sizeof(uint64_t));
		_sample_rate_value.setRange(elements[0], elements[1]);
		_sample_rate_value.setSingleStep(elements[2]);
		g_variant_unref(gvar_list);

		selector_action = _sample_rate_value_action;
	}
	else if ((gvar_list = g_variant_lookup_value(gvar_dict,
			"samplerates", G_VARIANT_TYPE("at"))))
	{
		elements = (const uint64_t *)g_variant_get_fixed_array(
				gvar_list, &num_elements, sizeof(uint64_t));
		_sample_rate_list.clear();

		for (unsigned int i = 0; i < num_elements; i++)
		{
			char *const s = sr_samplerate_string(elements[i]);
			_sample_rate_list.addItem(QString(s),
				qVariantFromValue(elements[i]));
			g_free(s);
		}

		_sample_rate_list.show();
		g_variant_unref(gvar_list);

		selector_action = _sample_rate_list_action;
	}

	g_variant_unref(gvar_dict);
	update_sample_rate_selector_value();

	// We delay showing the action, so that value change events
	// are ignored.
	if (selector_action)
		selector_action->setVisible(true);
}

void SamplingBar::update_sample_rate_selector_value()
{
	sr_dev_inst *const sdi = get_selected_device();
	GVariant *gvar;
	uint64_t samplerate;

	assert(sdi);

	if (sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
		&gvar, sdi) != SR_OK) {
		qDebug() <<
				"WARNING: Failed to get value of sample rate";
		return;
	}
	samplerate = g_variant_get_uint64(gvar);
	g_variant_unref(gvar);

	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>();
	}

	if (sample_rate == 0)
		return;

	// Set the samplerate
	if (sr_config_set(sdi, SR_CONF_SAMPLERATE,
		g_variant_new_uint64(sample_rate)) != SR_OK) {
		qDebug() << "Failed to configure samplerate.";
		return;
	}
}

void SamplingBar::on_device_selected()
{
	using namespace pv::popups;

	update_sample_rate_selector();

	sr_dev_inst *const sdi = get_selected_device();

	_configure_button.set_popup(new DeviceOptions(sdi, this));
	_probes_button.set_popup(new Probes(sdi, this));

	device_selected();
}

void SamplingBar::on_sample_rate_changed()
{
	commit_sample_rate();
}

void SamplingBar::on_run_stop()
{
	commit_sample_rate();	
	run_stop();
}

} // namespace toolbars
} // namespace pv
Commit	Line	Data
	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 <extdef.h>
	22
	23	#include <assert.h>
	24
	25	#include <boost/foreach.hpp>
	26
	27	#include <libsigrok/libsigrok.h>
	28
	29	#include <QAction>
	30	#include <QDebug>
	31
	32	#include "samplingbar.h"
	33
	34	#include <pv/devicemanager.h>
	35	#include <pv/popups/deviceoptions.h>
	36
	37	using namespace std;
	38
	39	namespace pv {
	40	namespace toolbars {
	41
	42	const uint64_t SamplingBar::RecordLengths[20] = {
	43	1000,
	44	2500,
	45	5000,
	46	10000,
	47	25000,
	48	50000,
	49	100000,
	50	250000,
	51	500000,
	52	1000000,
	53	2000000,
	54	5000000,
	55	10000000,
	56	25000000,
	57	50000000,
	58	100000000,
	59	250000000,
	60	500000000,
	61	1000000000,
	62	10000000000ULL,
	63	};
	64
	65	const uint64_t SamplingBar::DefaultRecordLength = 1000000;
	66
	67	SamplingBar::SamplingBar(QWidget *parent) :
	68	QToolBar("Sampling Bar", parent),
	69	_device_selector(this),
	70	_configure_button(this),
	71	_probes_button(this),
	72	_record_length_selector(this),
	73	_sample_rate_list(this),
	74	_icon_red(":/icons/status-red.svg"),
	75	_icon_green(":/icons/status-green.svg"),
	76	_icon_grey(":/icons/status-grey.svg"),
	77	_run_stop_button(this)
	78	{
	79	connect(&_run_stop_button, SIGNAL(clicked()),
	80	this, SLOT(on_run_stop()));
	81	connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
	82	this, SLOT(on_device_selected()));
	83
	84	_sample_rate_value.setDecimals(0);
	85	_sample_rate_value.setSuffix("Hz");
	86
	87	for (size_t i = 0; i < countof(RecordLengths); i++)
	88	{
	89	const uint64_t &l = RecordLengths[i];
	90	char *const text = sr_si_string_u64(l, " samples");
	91	_record_length_selector.addItem(QString(text),
	92	qVariantFromValue(l));
	93	g_free(text);
	94
	95	if (l == DefaultRecordLength)
	96	_record_length_selector.setCurrentIndex(i);
	97	}
	98
	99	set_capture_state(pv::SigSession::Stopped);
	100
	101	_configure_button.setIcon(QIcon::fromTheme("configure",
	102	QIcon(":/icons/configure.png")));
	103	_probes_button.setIcon(QIcon::fromTheme("probes",
	104	QIcon(":/icons/probes.svg")));
	105
	106	_run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
	107
	108	addWidget(&_device_selector);
	109	addWidget(&_configure_button);
	110	addWidget(&_probes_button);
	111	addWidget(&_record_length_selector);
	112	_sample_rate_list_action = addWidget(&_sample_rate_list);
	113	_sample_rate_value_action = addWidget(&_sample_rate_value);
	114	addWidget(&_run_stop_button);
	115
	116	connect(&_sample_rate_list, SIGNAL(currentIndexChanged(int)),
	117	this, SLOT(on_sample_rate_changed()));
	118	connect(&_sample_rate_value, SIGNAL(editingFinished()),
	119	this, SLOT(on_sample_rate_changed()));
	120	}
	121
	122	void SamplingBar::set_device_list(
	123	const std::list<struct sr_dev_inst*> &devices)
	124	{
	125	_device_selector.clear();
	126
	127	BOOST_FOREACH (sr_dev_inst *sdi, devices) {
	128	const string title = DeviceManager::format_device_title(sdi);
	129	_device_selector.addItem(title.c_str(),
	130	qVariantFromValue((void*)sdi));
	131	}
	132
	133	update_sample_rate_selector();
	134	}
	135
	136	struct sr_dev_inst* SamplingBar::get_selected_device() const
	137	{
	138	const int index = _device_selector.currentIndex();
	139	if (index < 0)
	140	return NULL;
	141
	142	return (sr_dev_inst*)_device_selector.itemData(
	143	index).value<void*>();
	144	}
	145
	146	void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
	147	{
	148	for (int i = 0; i < _device_selector.count(); i++)
	149	if (sdi == _device_selector.itemData(i).value<void*>()) {
	150	_device_selector.setCurrentIndex(i);
	151	return;
	152	}
	153	}
	154
	155	uint64_t SamplingBar::get_record_length() const
	156	{
	157	const int index = _record_length_selector.currentIndex();
	158	if (index < 0)
	159	return 0;
	160
	161	return _record_length_selector.itemData(index).value<uint64_t>();
	162	}
	163
	164	void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
	165	{
	166	const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
	167	_run_stop_button.setIcon(*icons[state]);
	168	_run_stop_button.setText((state == pv::SigSession::Stopped) ?
	169	tr("Run") : tr("Stop"));
	170	}
	171
	172	void SamplingBar::update_sample_rate_selector()
	173	{
	174	const sr_dev_inst *const sdi = get_selected_device();
	175	GVariant gvar_dict, gvar_list;
	176	const uint64_t *elements = NULL;
	177	gsize num_elements;
	178	QAction *selector_action = NULL;
	179
	180	assert(_sample_rate_value_action);
	181	assert(_sample_rate_list_action);
	182
	183	if (!sdi)
	184	return;
	185
	186	if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE,
	187	&gvar_dict, sdi) != SR_OK)
	188	return;
	189
	190	_sample_rate_list_action->setVisible(false);
	191	_sample_rate_value_action->setVisible(false);
	192
	193	if ((gvar_list = g_variant_lookup_value(gvar_dict,
	194	"samplerate-steps", G_VARIANT_TYPE("at")))) {
	195	elements = (const uint64_t *)g_variant_get_fixed_array(
	196	gvar_list, &num_elements, sizeof(uint64_t));
	197	_sample_rate_value.setRange(elements[0], elements[1]);
	198	_sample_rate_value.setSingleStep(elements[2]);
	199	g_variant_unref(gvar_list);
	200
	201	selector_action = _sample_rate_value_action;
	202	}
	203	else if ((gvar_list = g_variant_lookup_value(gvar_dict,
	204	"samplerates", G_VARIANT_TYPE("at"))))
	205	{
	206	elements = (const uint64_t *)g_variant_get_fixed_array(
	207	gvar_list, &num_elements, sizeof(uint64_t));
	208	_sample_rate_list.clear();
	209
	210	for (unsigned int i = 0; i < num_elements; i++)
	211	{
	212	char *const s = sr_samplerate_string(elements[i]);
	213	_sample_rate_list.addItem(QString(s),
	214	qVariantFromValue(elements[i]));
	215	g_free(s);
	216	}
	217
	218	_sample_rate_list.show();
	219	g_variant_unref(gvar_list);
	220
	221	selector_action = _sample_rate_list_action;
	222	}
	223
	224	g_variant_unref(gvar_dict);
	225	update_sample_rate_selector_value();
	226
	227	// We delay showing the action, so that value change events
	228	// are ignored.
	229	if (selector_action)
	230	selector_action->setVisible(true);
	231	}
	232
	233	void SamplingBar::update_sample_rate_selector_value()
	234	{
	235	sr_dev_inst *const sdi = get_selected_device();
	236	GVariant *gvar;
	237	uint64_t samplerate;
	238
	239	assert(sdi);
	240
	241	if (sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
	242	&gvar, sdi) != SR_OK) {
	243	qDebug() <<
	244	"WARNING: Failed to get value of sample rate";
	245	return;
	246	}
	247	samplerate = g_variant_get_uint64(gvar);
	248	g_variant_unref(gvar);
	249
	250	assert(_sample_rate_value_action);
	251	assert(_sample_rate_list_action);
	252
	253	if (_sample_rate_value_action->isVisible())
	254	_sample_rate_value.setValue(samplerate);
	255	else if (_sample_rate_list_action->isVisible())
	256	{
	257	for (int i = 0; i < _sample_rate_list.count(); i++)
	258	if (samplerate == _sample_rate_list.itemData(
	259	i).value<uint64_t>())
	260	_sample_rate_list.setCurrentIndex(i);
	261	}
	262	}
	263
	264	void SamplingBar::commit_sample_rate()
	265	{
	266	uint64_t sample_rate = 0;
	267
	268	sr_dev_inst *const sdi = get_selected_device();
	269	assert(sdi);
	270
	271	assert(_sample_rate_value_action);
	272	assert(_sample_rate_list_action);
	273
	274	if (_sample_rate_value_action->isVisible())
	275	sample_rate = (uint64_t)_sample_rate_value.value();
	276	else if (_sample_rate_list_action->isVisible())
	277	{
	278	const int index = _sample_rate_list.currentIndex();
	279	if (index >= 0)
	280	sample_rate = _sample_rate_list.itemData(
	281	index).value<uint64_t>();
	282	}
	283
	284	if (sample_rate == 0)
	285	return;
	286
	287	// Set the samplerate
	288	if (sr_config_set(sdi, SR_CONF_SAMPLERATE,
	289	g_variant_new_uint64(sample_rate)) != SR_OK) {
	290	qDebug() << "Failed to configure samplerate.";
	291	return;
	292	}
	293	}
	294
	295	void SamplingBar::on_device_selected()
	296	{
	297	using namespace pv::popups;
	298
	299	update_sample_rate_selector();
	300
	301	sr_dev_inst *const sdi = get_selected_device();
	302
	303	_configure_button.set_popup(new DeviceOptions(sdi, this));
	304	_probes_button.set_popup(new Probes(sdi, this));
	305
	306	device_selected();
	307	}
	308
	309	void SamplingBar::on_sample_rate_changed()
	310	{
	311	commit_sample_rate();
	312	}
	313
	314	void SamplingBar::on_run_stop()
	315	{
	316	commit_sample_rate();
	317	run_stop();
	318	}
	319
	320	} // namespace toolbars
	321	} // namespace pv