+++ /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 <extdef.h>
-
-#include <math.h>
-
-#include "logicsignal.h"
-#include "view.h"
-
-#include "pv/sigsession.h"
-#include "pv/data/logic.h"
-#include "pv/data/logicsnapshot.h"
-
-using namespace boost;
-using namespace std;
-
-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(pv::SigSession &session, const sr_probe *const probe,
- shared_ptr<data::Logic> data) :
- Signal(session, probe),
- _data(data),
- _separator(this),
- _icon_trigger_none(":/icons/trigger-none.svg"),
- _trigger_none(_icon_trigger_none, tr("No trigger"), this),
- _icon_trigger_rising(":/icons/trigger-rising.svg"),
- _trigger_rising(_icon_trigger_rising,
- tr("Trigger on rising edge"), this),
- _icon_trigger_high(":/icons/trigger-high.svg"),
- _trigger_high(_icon_trigger_high,
- tr("Trigger on high level"), this),
- _icon_trigger_falling(":/icons/trigger-falling.svg"),
- _trigger_falling(_icon_trigger_falling,
- tr("Trigger on falling edge"), this),
- _icon_trigger_low(":/icons/trigger-low.svg"),
- _trigger_low(_icon_trigger_low,
- tr("Trigger on low level"), this),
- _icon_trigger_change(":/icons/trigger-change.svg"),
- _trigger_change(_icon_trigger_change,
- tr("Trigger on rising or falling edge"), this)
-{
- _colour = SignalColours[probe->index % countof(SignalColours)];
-
- _separator.setSeparator(true);
-}
-
-LogicSignal::~LogicSignal()
-{
-}
-
-const list<QAction*> LogicSignal::get_context_bar_actions()
-{
- GVariant *gvar;
- list<QAction*> actions;
-
- actions.push_back(&_name_action);
-
- // Add the trigger actions
- const sr_dev_inst *const sdi = _session.get_device();
- if (sr_config_list(sdi->driver, SR_CONF_TRIGGER_TYPE,
- &gvar, sdi) == SR_OK) {
- const char *const trig_types =
- g_variant_get_string(gvar, NULL);
-
- if (trig_types && trig_types[0] != '\0') {
- actions.push_back(&_separator);
-
- actions.push_back(&_trigger_none);
-
- add_trigger_action(trig_types, 'r',
- &_trigger_rising, actions);
- add_trigger_action(trig_types, '1',
- &_trigger_high, actions);
- add_trigger_action(trig_types, 'f',
- &_trigger_falling, actions);
- add_trigger_action(trig_types, '0',
- &_trigger_low, actions);
- add_trigger_action(trig_types, 'c',
- &_trigger_change, actions);
- }
-
- g_variant_unref(gvar);
- }
-
- return actions;
-}
-
-void LogicSignal::paint(QPainter &p, int y, int left, int right,
- double scale, double offset)
-{
- using pv::view::View;
-
- QLineF *line;
-
- vector< pair<int64_t, bool> > edges;
-
- assert(_probe);
- assert(scale > 0);
- assert(_data);
- assert(right >= left);
-
- if (!_probe->enabled)
- return;
-
- paint_axis(p, y, left, right);
-
- 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->get_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, _probe->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 (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator i =
- edges.begin() + 1;
- i != edges.end() - 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() - 1);
- 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 (vector<pv::data::LogicSnapshot::EdgePair>::const_iterator 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::add_trigger_action(const char *trig_types, char type,
- QAction *action, list<QAction*> &actions)
-{
- while(*trig_types)
- if(*trig_types++ == type) {
- actions.push_back(action);
- break;
- }
-}
-
-} // namespace view
-} // namespace pv
projects / pulseview.git / blobdiff