[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(SigSession &session, QWidget *parent) :
	QToolBar("Sampling Bar", parent),
	_session(session),
	_device_selector(this),
	_updating_device_selector(false),
	_configure_button(this),
	_probes_button(this),
	_probes_popup(_session, 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")));
	_probes_button.set_popup(&_probes_popup);

	_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)
{
	_updating_device_selector = true;

	_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));
	}

	_updating_device_selector = false;

	on_device_selected();
}

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, sdi, NULL,
			SR_CONF_SAMPLERATE, &gvar_dict) != 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, sdi, NULL,
		SR_CONF_SAMPLERATE, &gvar) != 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, NULL, 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;

	if (_updating_device_selector)
		return;

	update_sample_rate_selector();

	sr_dev_inst *const sdi = get_selected_device();
	_session.set_device(sdi);

	_configure_button.set_popup(new DeviceOptions(sdi, this));
}

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(SigSession &session, QWidget *parent) :
	68	QToolBar("Sampling Bar", parent),
	69	_session(session),
	70	_device_selector(this),
	71	_updating_device_selector(false),
	72	_configure_button(this),
	73	_probes_button(this),
	74	_probes_popup(_session, this),
	75	_record_length_selector(this),
	76	_sample_rate_list(this),
	77	_icon_red(":/icons/status-red.svg"),
	78	_icon_green(":/icons/status-green.svg"),
	79	_icon_grey(":/icons/status-grey.svg"),
	80	_run_stop_button(this)
	81	{
	82	connect(&_run_stop_button, SIGNAL(clicked()),
	83	this, SLOT(on_run_stop()));
	84	connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
	85	this, SLOT(on_device_selected()));
	86
	87	_sample_rate_value.setDecimals(0);
	88	_sample_rate_value.setSuffix("Hz");
	89
	90	for (size_t i = 0; i < countof(RecordLengths); i++)
	91	{
	92	const uint64_t &l = RecordLengths[i];
	93	char *const text = sr_si_string_u64(l, " samples");
	94	_record_length_selector.addItem(QString(text),
	95	qVariantFromValue(l));
	96	g_free(text);
	97
	98	if (l == DefaultRecordLength)
	99	_record_length_selector.setCurrentIndex(i);
	100	}
	101
	102	set_capture_state(pv::SigSession::Stopped);
	103
	104	_configure_button.setIcon(QIcon::fromTheme("configure",
	105	QIcon(":/icons/configure.png")));
	106
	107	_probes_button.setIcon(QIcon::fromTheme("probes",
	108	QIcon(":/icons/probes.svg")));
	109	_probes_button.set_popup(&_probes_popup);
	110
	111	_run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
	112
	113	addWidget(&_device_selector);
	114	addWidget(&_configure_button);
	115	addWidget(&_probes_button);
	116	addWidget(&_record_length_selector);
	117	_sample_rate_list_action = addWidget(&_sample_rate_list);
	118	_sample_rate_value_action = addWidget(&_sample_rate_value);
	119	addWidget(&_run_stop_button);
	120
	121	connect(&_sample_rate_list, SIGNAL(currentIndexChanged(int)),
	122	this, SLOT(on_sample_rate_changed()));
	123	connect(&_sample_rate_value, SIGNAL(editingFinished()),
	124	this, SLOT(on_sample_rate_changed()));
	125	}
	126
	127	void SamplingBar::set_device_list(
	128	const std::list<struct sr_dev_inst*> &devices)
	129	{
	130	_updating_device_selector = true;
	131
	132	_device_selector.clear();
	133
	134	BOOST_FOREACH (sr_dev_inst *sdi, devices) {
	135	const string title = DeviceManager::format_device_title(sdi);
	136	_device_selector.addItem(title.c_str(),
	137	qVariantFromValue((void*)sdi));
	138	}
	139
	140	_updating_device_selector = false;
	141
	142	on_device_selected();
	143	}
	144
	145	struct sr_dev_inst* SamplingBar::get_selected_device() const
	146	{
	147	const int index = _device_selector.currentIndex();
	148	if (index < 0)
	149	return NULL;
	150
	151	return (sr_dev_inst*)_device_selector.itemData(
	152	index).value<void*>();
	153	}
	154
	155	void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
	156	{
	157	for (int i = 0; i < _device_selector.count(); i++)
	158	if (sdi == _device_selector.itemData(i).value<void*>()) {
	159	_device_selector.setCurrentIndex(i);
	160	return;
	161	}
	162	}
	163
	164	uint64_t SamplingBar::get_record_length() const
	165	{
	166	const int index = _record_length_selector.currentIndex();
	167	if (index < 0)
	168	return 0;
	169
	170	return _record_length_selector.itemData(index).value<uint64_t>();
	171	}
	172
	173	void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
	174	{
	175	const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
	176	_run_stop_button.setIcon(*icons[state]);
	177	_run_stop_button.setText((state == pv::SigSession::Stopped) ?
	178	tr("Run") : tr("Stop"));
	179	}
	180
	181	void SamplingBar::update_sample_rate_selector()
	182	{
	183	const sr_dev_inst *const sdi = get_selected_device();
	184	GVariant gvar_dict, gvar_list;
	185	const uint64_t *elements = NULL;
	186	gsize num_elements;
	187	QAction *selector_action = NULL;
	188
	189	assert(_sample_rate_value_action);
	190	assert(_sample_rate_list_action);
	191
	192	if (!sdi)
	193	return;
	194
	195	if (sr_config_list(sdi->driver, sdi, NULL,
	196	SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK)
	197	return;
	198
	199	_sample_rate_list_action->setVisible(false);
	200	_sample_rate_value_action->setVisible(false);
	201
	202	if ((gvar_list = g_variant_lookup_value(gvar_dict,
	203	"samplerate-steps", G_VARIANT_TYPE("at")))) {
	204	elements = (const uint64_t *)g_variant_get_fixed_array(
	205	gvar_list, &num_elements, sizeof(uint64_t));
	206	_sample_rate_value.setRange(elements[0], elements[1]);
	207	_sample_rate_value.setSingleStep(elements[2]);
	208	g_variant_unref(gvar_list);
	209
	210	selector_action = _sample_rate_value_action;
	211	}
	212	else if ((gvar_list = g_variant_lookup_value(gvar_dict,
	213	"samplerates", G_VARIANT_TYPE("at"))))
	214	{
	215	elements = (const uint64_t *)g_variant_get_fixed_array(
	216	gvar_list, &num_elements, sizeof(uint64_t));
	217	_sample_rate_list.clear();
	218
	219	for (unsigned int i = 0; i < num_elements; i++)
	220	{
	221	char *const s = sr_samplerate_string(elements[i]);
	222	_sample_rate_list.addItem(QString(s),
	223	qVariantFromValue(elements[i]));
	224	g_free(s);
	225	}
	226
	227	_sample_rate_list.show();
	228	g_variant_unref(gvar_list);
	229
	230	selector_action = _sample_rate_list_action;
	231	}
	232
	233	g_variant_unref(gvar_dict);
	234	update_sample_rate_selector_value();
	235
	236	// We delay showing the action, so that value change events
	237	// are ignored.
	238	if (selector_action)
	239	selector_action->setVisible(true);
	240	}
	241
	242	void SamplingBar::update_sample_rate_selector_value()
	243	{
	244	sr_dev_inst *const sdi = get_selected_device();
	245	GVariant *gvar;
	246	uint64_t samplerate;
	247
	248	assert(sdi);
	249
	250	if (sr_config_get(sdi->driver, sdi, NULL,
	251	SR_CONF_SAMPLERATE, &gvar) != SR_OK) {
	252	qDebug() <<
	253	"WARNING: Failed to get value of sample rate";
	254	return;
	255	}
	256	samplerate = g_variant_get_uint64(gvar);
	257	g_variant_unref(gvar);
	258
	259	assert(_sample_rate_value_action);
	260	assert(_sample_rate_list_action);
	261
	262	if (_sample_rate_value_action->isVisible())
	263	_sample_rate_value.setValue(samplerate);
	264	else if (_sample_rate_list_action->isVisible())
	265	{
	266	for (int i = 0; i < _sample_rate_list.count(); i++)
	267	if (samplerate == _sample_rate_list.itemData(
	268	i).value<uint64_t>())
	269	_sample_rate_list.setCurrentIndex(i);
	270	}
	271	}
	272
	273	void SamplingBar::commit_sample_rate()
	274	{
	275	uint64_t sample_rate = 0;
	276
	277	sr_dev_inst *const sdi = get_selected_device();
	278	assert(sdi);
	279
	280	assert(_sample_rate_value_action);
	281	assert(_sample_rate_list_action);
	282
	283	if (_sample_rate_value_action->isVisible())
	284	sample_rate = (uint64_t)_sample_rate_value.value();
	285	else if (_sample_rate_list_action->isVisible())
	286	{
	287	const int index = _sample_rate_list.currentIndex();
	288	if (index >= 0)
	289	sample_rate = _sample_rate_list.itemData(
	290	index).value<uint64_t>();
	291	}
	292
	293	if (sample_rate == 0)
	294	return;
	295
	296	// Set the samplerate
	297	if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
	298	g_variant_new_uint64(sample_rate)) != SR_OK) {
	299	qDebug() << "Failed to configure samplerate.";
	300	return;
	301	}
	302	}
	303
	304	void SamplingBar::on_device_selected()
	305	{
	306	using namespace pv::popups;
	307
	308	if (_updating_device_selector)
	309	return;
	310
	311	update_sample_rate_selector();
	312
	313	sr_dev_inst *const sdi = get_selected_device();
	314	_session.set_device(sdi);
	315
	316	_configure_button.set_popup(new DeviceOptions(sdi, this));
	317	}
	318
	319	void SamplingBar::on_sample_rate_changed()
	320	{
	321	commit_sample_rate();
	322	}
	323
	324	void SamplingBar::on_run_stop()
	325	{
	326	commit_sample_rate();
	327	run_stop();
	328	}
	329
	330	} // namespace toolbars
	331	} // namespace pv