[pulseview.git] / pv / view / logicsignal.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 <cassert>
#include <cmath>

#include <QFormLayout>
#include <QToolBar>

#include "logicsignal.h"
#include "view.h"

#include <pv/sigsession.h>
#include <pv/data/logic.h>
#include <pv/data/logicsnapshot.h>
#include <pv/view/view.h>

#include <libsigrok/libsigrok.hpp>

using std::deque;
using std::max;
using std::min;
using std::pair;
using std::shared_ptr;
using std::vector;

using sigrok::Channel;
using sigrok::ConfigKey;
using sigrok::Device;
using sigrok::Error;
using sigrok::Trigger;
using sigrok::TriggerMatchType;

namespace pv {
namespace view {

const float LogicSignal::Oversampling = 2.0f;

const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);

const QColor LogicSignal::SignalColours[10] = {
	QColor(0x16, 0x19, 0x1A),	// Black
	QColor(0x8F, 0x52, 0x02),	// Brown
	QColor(0xCC, 0x00, 0x00),	// Red
	QColor(0xF5, 0x79, 0x00),	// Orange
	QColor(0xED, 0xD4, 0x00),	// Yellow
	QColor(0x73, 0xD2, 0x16),	// Green
	QColor(0x34, 0x65, 0xA4),	// Blue
	QColor(0x75, 0x50, 0x7B),	// Violet
	QColor(0x88, 0x8A, 0x85),	// Grey
	QColor(0xEE, 0xEE, 0xEC),	// White
};

LogicSignal::LogicSignal(shared_ptr<Device> device,
		shared_ptr<Channel> channel,
		shared_ptr<data::Logic> data) :
	Signal(channel),
	_device(device),
	_data(data),
	_trigger_none(NULL),
	_trigger_rising(NULL),
	_trigger_high(NULL),
	_trigger_falling(NULL),
	_trigger_low(NULL),
	_trigger_change(NULL)
{
	shared_ptr<Trigger> trigger;

	_colour = SignalColours[channel->index() % countof(SignalColours)];

	/* Populate this channel's trigger setting with whatever we
	 * find in the current session trigger, if anything. */
	_trigger_match = nullptr;
	if ((trigger = SigSession::_sr_session->trigger()))
		for (auto stage : trigger->stages())
			for (auto match : stage->matches())
				if (match->channel() == _channel)
					_trigger_match = match->type();
}

LogicSignal::~LogicSignal()
{
}

shared_ptr<pv::data::SignalData> LogicSignal::data() const
{
	return _data;
}

shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
{
	return _data;
}

void LogicSignal::paint_back(QPainter &p, int left, int right)
{
	if (_channel->enabled())
		paint_axis(p, get_y(), left, right);
}

void LogicSignal::paint_mid(QPainter &p, int left, int right)
{
	using pv::view::View;

	QLineF *line;

	vector< pair<int64_t, bool> > edges;

	assert(_channel);
	assert(_data);
	assert(right >= left);

	assert(_view);
	const int y = _v_offset - _view->v_offset();

	const double scale = _view->scale();
	assert(scale > 0);

	const double offset = _view->offset();

	if (!_channel->enabled())
		return;

	const float high_offset = y - View::SignalHeight + 0.5f;
	const float low_offset = y + 0.5f;

	const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
		_data->get_snapshots();
	if (snapshots.empty())
		return;

	const shared_ptr<pv::data::LogicSnapshot> &snapshot =
		snapshots.front();

	double samplerate = _data->samplerate();

	// Show sample rate as 1Hz when it is unknown
	if (samplerate == 0.0)
		samplerate = 1.0;

	const double pixels_offset = offset / scale;
	const double start_time = _data->get_start_time();
	const int64_t last_sample = snapshot->get_sample_count() - 1;
	const double samples_per_pixel = samplerate * scale;
	const double start = samplerate * (offset - start_time);
	const double end = start + samples_per_pixel * (right - left);

	snapshot->get_subsampled_edges(edges,
		min(max((int64_t)floor(start), (int64_t)0), last_sample),
		min(max((int64_t)ceil(end), (int64_t)0), last_sample),
		samples_per_pixel / Oversampling, _channel->index());
	assert(edges.size() >= 2);

	// Paint the edges
	const unsigned int edge_count = edges.size() - 2;
	QLineF *const edge_lines = new QLineF[edge_count];
	line = edge_lines;

	for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
		const float x = ((*i).first / samples_per_pixel -
			pixels_offset) + left;
		*line++ = QLineF(x, high_offset, x, low_offset);
	}

	p.setPen(EdgeColour);
	p.drawLines(edge_lines, edge_count);
	delete[] edge_lines;

	// Paint the caps
	const unsigned int max_cap_line_count = edges.size();
	QLineF *const cap_lines = new QLineF[max_cap_line_count];

	p.setPen(HighColour);
	paint_caps(p, cap_lines, edges, true, samples_per_pixel,
		pixels_offset, left, high_offset);
	p.setPen(LowColour);
	paint_caps(p, cap_lines, edges, false, samples_per_pixel,
		pixels_offset, left, low_offset);

	delete[] cap_lines;
}

void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
	vector< pair<int64_t, bool> > &edges, bool level,
	double samples_per_pixel, double pixels_offset, float x_offset,
	float y_offset)
{
	QLineF *line = lines;

	for (auto i = edges.begin(); i != (edges.end() - 1); i++)
		if ((*i).second == level) {
			*line++ = QLineF(
				((*i).first / samples_per_pixel -
					pixels_offset) + x_offset, y_offset,
				((*(i+1)).first / samples_per_pixel -
					pixels_offset) + x_offset, y_offset);
		}

	p.drawLines(lines, line - lines);
}

void LogicSignal::init_trigger_actions(QWidget *parent)
{
	_trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
		tr("No trigger"), parent);
	_trigger_none->setCheckable(true);
	connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger()));

	_trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
		tr("Trigger on rising edge"), parent);
	_trigger_rising->setCheckable(true);
	connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger()));

	_trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
		tr("Trigger on high level"), parent);
	_trigger_high->setCheckable(true);
	connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger()));

	_trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
		tr("Trigger on falling edge"), parent);
	_trigger_falling->setCheckable(true);
	connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger()));

	_trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
		tr("Trigger on low level"), parent);
	_trigger_low->setCheckable(true);
	connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger()));

	_trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
		tr("Trigger on rising or falling edge"), parent);
	_trigger_change->setCheckable(true);
	connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger()));
}

QAction* LogicSignal::match_action(const TriggerMatchType *type)
{
	QAction *action;

	action = _trigger_none;
	switch (type->id()) {
	case SR_TRIGGER_ZERO:
		action = _trigger_low;
		break;
	case SR_TRIGGER_ONE:
		action = _trigger_high;
		break;
	case SR_TRIGGER_RISING:
		action = _trigger_rising;
		break;
	case SR_TRIGGER_FALLING:
		action = _trigger_falling;
		break;
	case SR_TRIGGER_EDGE:
		action = _trigger_change;
		break;
	default:
		assert(0);
	}

	return action;
}

const TriggerMatchType *LogicSignal::action_match(QAction *action)
{
	if (action == _trigger_low)
		return TriggerMatchType::ZERO;
	else if (action == _trigger_high)
		return TriggerMatchType::ONE;
	else if (action == _trigger_rising)
		return TriggerMatchType::RISING;
	else if (action == _trigger_falling)
		return TriggerMatchType::FALLING;
	else if (action == _trigger_change)
		return TriggerMatchType::EDGE;
	else
		return nullptr;
}

void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
{
	Glib::VariantContainerBase gvar;
	vector<int32_t> trig_types;
	bool is_checked;

	Signal::populate_popup_form(parent, form);

	try {
		gvar = _device->config_list(ConfigKey::TRIGGER_MATCH);
	} catch (Error e) {
		return;
	}

	_trigger_bar = new QToolBar(parent);
	init_trigger_actions(_trigger_bar);
	_trigger_bar->addAction(_trigger_none);
	trig_types =
		Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
			gvar).get();
	for (auto type_id : trig_types) {
		auto type = TriggerMatchType::get(type_id);
		_trigger_bar->addAction(match_action(type));
		is_checked = _trigger_match == type;
		match_action(type)->setChecked(is_checked);
	}
	form->addRow(tr("Trigger"), _trigger_bar);

}

void LogicSignal::on_trigger()
{
	QAction *action;

	match_action(_trigger_match)->setChecked(FALSE);

	action = (QAction *)sender();
	action->setChecked(TRUE);
	_trigger_match = action_match(action);

}

} // namespace view
} // 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 <cassert>
	24	#include <cmath>
	25
	26	#include <QFormLayout>
	27	#include <QToolBar>
	28
	29	#include "logicsignal.h"
	30	#include "view.h"
	31
	32	#include <pv/sigsession.h>
	33	#include <pv/data/logic.h>
	34	#include <pv/data/logicsnapshot.h>
	35	#include <pv/view/view.h>
	36
	37	#include <libsigrok/libsigrok.hpp>
	38
	39	using std::deque;
	40	using std::max;
	41	using std::min;
	42	using std::pair;
	43	using std::shared_ptr;
	44	using std::vector;
	45
	46	using sigrok::Channel;
	47	using sigrok::ConfigKey;
	48	using sigrok::Device;
	49	using sigrok::Error;
	50	using sigrok::Trigger;
	51	using sigrok::TriggerMatchType;
	52
	53	namespace pv {
	54	namespace view {
	55
	56	const float LogicSignal::Oversampling = 2.0f;
	57
	58	const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
	59	const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
	60	const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
	61
	62	const QColor LogicSignal::SignalColours[10] = {
	63	QColor(0x16, 0x19, 0x1A), // Black
	64	QColor(0x8F, 0x52, 0x02), // Brown
	65	QColor(0xCC, 0x00, 0x00), // Red
	66	QColor(0xF5, 0x79, 0x00), // Orange
	67	QColor(0xED, 0xD4, 0x00), // Yellow
	68	QColor(0x73, 0xD2, 0x16), // Green
	69	QColor(0x34, 0x65, 0xA4), // Blue
	70	QColor(0x75, 0x50, 0x7B), // Violet
	71	QColor(0x88, 0x8A, 0x85), // Grey
	72	QColor(0xEE, 0xEE, 0xEC), // White
	73	};
	74
	75	LogicSignal::LogicSignal(shared_ptr<Device> device,
	76	shared_ptr<Channel> channel,
	77	shared_ptr<data::Logic> data) :
	78	Signal(channel),
	79	_device(device),
	80	_data(data),
	81	_trigger_none(NULL),
	82	_trigger_rising(NULL),
	83	_trigger_high(NULL),
	84	_trigger_falling(NULL),
	85	_trigger_low(NULL),
	86	_trigger_change(NULL)
	87	{
	88	shared_ptr<Trigger> trigger;
	89
	90	_colour = SignalColours[channel->index() % countof(SignalColours)];
	91
	92	/* Populate this channel's trigger setting with whatever we
	93	* find in the current session trigger, if anything. */
	94	_trigger_match = nullptr;
	95	if ((trigger = SigSession::_sr_session->trigger()))
	96	for (auto stage : trigger->stages())
	97	for (auto match : stage->matches())
	98	if (match->channel() == _channel)
	99	_trigger_match = match->type();
	100	}
	101
	102	LogicSignal::~LogicSignal()
	103	{
	104	}
	105
	106	shared_ptr<pv::data::SignalData> LogicSignal::data() const
	107	{
	108	return _data;
	109	}
	110
	111	shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
	112	{
	113	return _data;
	114	}
	115
	116	void LogicSignal::paint_back(QPainter &p, int left, int right)
	117	{
	118	if (_channel->enabled())
	119	paint_axis(p, get_y(), left, right);
	120	}
	121
	122	void LogicSignal::paint_mid(QPainter &p, int left, int right)
	123	{
	124	using pv::view::View;
	125
	126	QLineF *line;
	127
	128	vector< pair<int64_t, bool> > edges;
	129
	130	assert(_channel);
	131	assert(_data);
	132	assert(right >= left);
	133
	134	assert(_view);
	135	const int y = _v_offset - _view->v_offset();
	136
	137	const double scale = _view->scale();
	138	assert(scale > 0);
	139
	140	const double offset = _view->offset();
	141
	142	if (!_channel->enabled())
	143	return;
	144
	145	const float high_offset = y - View::SignalHeight + 0.5f;
	146	const float low_offset = y + 0.5f;
	147
	148	const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
	149	_data->get_snapshots();
	150	if (snapshots.empty())
	151	return;
	152
	153	const shared_ptr<pv::data::LogicSnapshot> &snapshot =
	154	snapshots.front();
	155
	156	double samplerate = _data->samplerate();
	157
	158	// Show sample rate as 1Hz when it is unknown
	159	if (samplerate == 0.0)
	160	samplerate = 1.0;
	161
	162	const double pixels_offset = offset / scale;
	163	const double start_time = _data->get_start_time();
	164	const int64_t last_sample = snapshot->get_sample_count() - 1;
	165	const double samples_per_pixel = samplerate * scale;
	166	const double start = samplerate * (offset - start_time);
	167	const double end = start + samples_per_pixel * (right - left);
	168
	169	snapshot->get_subsampled_edges(edges,
	170	min(max((int64_t)floor(start), (int64_t)0), last_sample),
	171	min(max((int64_t)ceil(end), (int64_t)0), last_sample),
	172	samples_per_pixel / Oversampling, _channel->index());
	173	assert(edges.size() >= 2);
	174
	175	// Paint the edges
	176	const unsigned int edge_count = edges.size() - 2;
	177	QLineF *const edge_lines = new QLineF[edge_count];
	178	line = edge_lines;
	179
	180	for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
	181	const float x = ((*i).first / samples_per_pixel -
	182	pixels_offset) + left;
	183	*line++ = QLineF(x, high_offset, x, low_offset);
	184	}
	185
	186	p.setPen(EdgeColour);
	187	p.drawLines(edge_lines, edge_count);
	188	delete[] edge_lines;
	189
	190	// Paint the caps
	191	const unsigned int max_cap_line_count = edges.size();
	192	QLineF *const cap_lines = new QLineF[max_cap_line_count];
	193
	194	p.setPen(HighColour);
	195	paint_caps(p, cap_lines, edges, true, samples_per_pixel,
	196	pixels_offset, left, high_offset);
	197	p.setPen(LowColour);
	198	paint_caps(p, cap_lines, edges, false, samples_per_pixel,
	199	pixels_offset, left, low_offset);
	200
	201	delete[] cap_lines;
	202	}
	203
	204	void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
	205	vector< pair<int64_t, bool> > &edges, bool level,
	206	double samples_per_pixel, double pixels_offset, float x_offset,
	207	float y_offset)
	208	{
	209	QLineF *line = lines;
	210
	211	for (auto i = edges.begin(); i != (edges.end() - 1); i++)
	212	if ((*i).second == level) {
	213	*line++ = QLineF(
	214	((*i).first / samples_per_pixel -
	215	pixels_offset) + x_offset, y_offset,
	216	((*(i+1)).first / samples_per_pixel -
	217	pixels_offset) + x_offset, y_offset);
	218	}
	219
	220	p.drawLines(lines, line - lines);
	221	}
	222
	223	void LogicSignal::init_trigger_actions(QWidget *parent)
	224	{
	225	_trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"),
	226	tr("No trigger"), parent);
	227	_trigger_none->setCheckable(true);
	228	connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger()));
	229
	230	_trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"),
	231	tr("Trigger on rising edge"), parent);
	232	_trigger_rising->setCheckable(true);
	233	connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger()));
	234
	235	_trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"),
	236	tr("Trigger on high level"), parent);
	237	_trigger_high->setCheckable(true);
	238	connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger()));
	239
	240	_trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"),
	241	tr("Trigger on falling edge"), parent);
	242	_trigger_falling->setCheckable(true);
	243	connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger()));
	244
	245	_trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"),
	246	tr("Trigger on low level"), parent);
	247	_trigger_low->setCheckable(true);
	248	connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger()));
	249
	250	_trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"),
	251	tr("Trigger on rising or falling edge"), parent);
	252	_trigger_change->setCheckable(true);
	253	connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger()));
	254	}
	255
	256	QAction* LogicSignal::match_action(const TriggerMatchType *type)
	257	{
	258	QAction *action;
	259
	260	action = _trigger_none;
	261	switch (type->id()) {
	262	case SR_TRIGGER_ZERO:
	263	action = _trigger_low;
	264	break;
	265	case SR_TRIGGER_ONE:
	266	action = _trigger_high;
	267	break;
	268	case SR_TRIGGER_RISING:
	269	action = _trigger_rising;
	270	break;
	271	case SR_TRIGGER_FALLING:
	272	action = _trigger_falling;
	273	break;
	274	case SR_TRIGGER_EDGE:
	275	action = _trigger_change;
	276	break;
	277	default:
	278	assert(0);
	279	}
	280
	281	return action;
	282	}
	283
	284	const TriggerMatchType LogicSignal::action_match(QAction action)
	285	{
	286	if (action == _trigger_low)
	287	return TriggerMatchType::ZERO;
	288	else if (action == _trigger_high)
	289	return TriggerMatchType::ONE;
	290	else if (action == _trigger_rising)
	291	return TriggerMatchType::RISING;
	292	else if (action == _trigger_falling)
	293	return TriggerMatchType::FALLING;
	294	else if (action == _trigger_change)
	295	return TriggerMatchType::EDGE;
	296	else
	297	return nullptr;
	298	}
	299
	300	void LogicSignal::populate_popup_form(QWidget parent, QFormLayout form)
	301	{
	302	Glib::VariantContainerBase gvar;
	303	vector<int32_t> trig_types;
	304	bool is_checked;
	305
	306	Signal::populate_popup_form(parent, form);
	307
	308	try {
	309	gvar = _device->config_list(ConfigKey::TRIGGER_MATCH);
	310	} catch (Error e) {
	311	return;
	312	}
	313
	314	_trigger_bar = new QToolBar(parent);
	315	init_trigger_actions(_trigger_bar);
	316	_trigger_bar->addAction(_trigger_none);
	317	trig_types =
	318	Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>(
	319	gvar).get();
	320	for (auto type_id : trig_types) {
	321	auto type = TriggerMatchType::get(type_id);
	322	_trigger_bar->addAction(match_action(type));
	323	is_checked = _trigger_match == type;
	324	match_action(type)->setChecked(is_checked);
	325	}
	326	form->addRow(tr("Trigger"), _trigger_bar);
	327
	328	}
	329
	330	void LogicSignal::on_trigger()
	331	{
	332	QAction *action;
	333
	334	match_action(_trigger_match)->setChecked(FALSE);
	335
	336	action = (QAction *)sender();
	337	action->setChecked(TRUE);
	338	_trigger_match = action_match(action);
	339
	340	}
	341
	342	} // namespace view
	343	} // namespace pv