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558 lines
19 KiB
558 lines
19 KiB
/*
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* Remote Laboratory FPGA Viewer Part
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (c) 2012 Timothy Pearson
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* Raptor Engineering
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* http://www.raptorengineeringinc.com
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*/
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#include "define.h"
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#include "part.h"
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#include <kaboutdata.h> //::createAboutData()
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#include <kaction.h>
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#include <klocale.h>
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#include <kmessagebox.h> //::start()
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#include <kparts/genericfactory.h>
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#include <kstatusbar.h>
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#include <kstdaction.h>
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#include <knuminput.h>
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#include <tqfile.h> //encodeName()
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#include <tqtimer.h> //postInit() hack
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#include <tqvbox.h>
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#include <tqsocket.h>
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#include <tqmutex.h>
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#include <tqeventloop.h>
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#include <tqapplication.h>
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#include <tqgroupbox.h>
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#include <unistd.h> //access()
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#include <stdint.h>
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#include "tracewidget.h"
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#include "floatspinbox.h"
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#include "layout.h"
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#define SERVER_TIMEOUT_MS 10000
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FPGALed::FPGALed(TQWidget *parent, const char *name)
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: KLed(parent, name), m_clickable(true)
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{
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connect(this, SIGNAL(clicked()), this, SLOT(toggle()));
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setColor(green);
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setOffColor(TQApplication::palette(this).active().base().dark(200));
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}
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void FPGALed::setClickable(bool clickable) {
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if ((!clickable) && (m_clickable)) {
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disconnect(this, SIGNAL(clicked()), this, SLOT(toggle()));
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}
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else if ((clickable) && (!m_clickable)) {
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connect(this, SIGNAL(clicked()), this, SLOT(toggle()));
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}
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m_clickable = clickable;
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}
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void FPGALed::mouseReleaseEvent(TQMouseEvent *e) {
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if (e->button() == TQMouseEvent::LeftButton) {
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emit(clicked());
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}
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}
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FPGAPushButton::FPGAPushButton(TQWidget *parent, const char *name)
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: KLed(parent, name), mouseDown(false)
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{
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off();
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setColor(green);
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setOffColor(TQApplication::palette(this).active().base().dark(200));
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}
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void FPGAPushButton::mousePressEvent(TQMouseEvent *e) {
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if (e->button() == TQMouseEvent::LeftButton) {
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on();
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mouseDown = true;
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emit(buttonPressed());
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emit(changed());
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}
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}
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void FPGAPushButton::mouseReleaseEvent(TQMouseEvent *e) {
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if (e->button() == TQMouseEvent::LeftButton) {
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off();
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mouseDown = false;
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emit(buttonReleased());
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emit(changed());
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}
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}
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void FPGAPushButton::enterEvent(TQEvent *e) {
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Q_UNUSED(e);
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if (mouseDown) {
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on();
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emit(buttonPressed());
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emit(changed());
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}
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}
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void FPGAPushButton::leaveEvent(TQEvent *e) {
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Q_UNUSED(e);
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if (mouseDown) {
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off();
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emit(buttonReleased());
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emit(changed());
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}
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}
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namespace RemoteLab {
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typedef KParts::GenericFactory<RemoteLab::FPGAViewPart> Factory;
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#define CLIENT_LIBRARY "libremotelab_fpgaviewer"
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K_EXPORT_COMPONENT_FACTORY(libremotelab_fpgaviewer, RemoteLab::Factory)
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#define LED_BASE_SIZE 20
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#define LED_SIZE LED_BASE_SIZE,LED_BASE_SIZE
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FPGAViewPart::FPGAViewPart(TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const TQStringList&)
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: RemoteInstrumentPart( parent, name ), m_socket(0), m_base(0), connToServerConnecting(false), connToServerState(-1), connToServerTimeoutTimer(NULL), m_interfaceMode(BasicInterfaceMode),
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remoteInputModeEnabled(false), m_4bitInputValue(0), m_4bitOutputValue(0), m_8bitInputValue(0), m_8bitOutputValue(0), m_16bitInputValue(0), m_16bitOutputValue(0)
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{
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// Initialize mutex
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m_connectionMutex = new TQMutex(false);
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// Initialize kpart
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setInstance(Factory::instance());
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setWidget(new TQVBox(parentWidget, widgetName));
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// Create timers
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m_updateTimer = new TQTimer(this);
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// Create widgets
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m_base = new FPGAViewBase(widget());
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// Create menu actions
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// Submenus
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KActionCollection *const ac = actionCollection();
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m_modeSubMenu = new KActionMenu(i18n("Mode"), ac, "mode_submenu");
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m_menuActionList.append(m_modeSubMenu);
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// Menu items
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m_modeBasicEnabled = new KToggleAction(i18n("Basic"), KShortcut(), TQT_TQOBJECT(this), TQT_SLOT(switchToBasicMode()), ac, "mode_basic_enabled");
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m_modeSubMenu->insert(m_modeBasicEnabled);
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m_modeIntermediateEnabled = new KToggleAction(i18n("Intermediate"), KShortcut(), TQT_TQOBJECT(this), TQT_SLOT(switchToIntermediateMode()), ac, "mode_intermediate_enabled");
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m_modeSubMenu->insert(m_modeIntermediateEnabled);
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m_modeAdvancedEnabled = new KToggleAction(i18n("Advanced"), KShortcut(), TQT_TQOBJECT(this), TQT_SLOT(switchToAdvancedMode()), ac, "mode_advanced_enabled");
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m_modeSubMenu->insert(m_modeAdvancedEnabled);
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// Initialize widgets
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m_base->group4BitInputValueLabel->setFixedSize(LED_BASE_SIZE*2, LED_BASE_SIZE*2);
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m_base->group4BitOutputValueLabel->setFixedSize(LED_BASE_SIZE*2, LED_BASE_SIZE*2);
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m_base->group4BitInputValueText->setFixedSize(LED_BASE_SIZE*2, LED_BASE_SIZE*2);
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m_base->group4BitOutputValueText->setFixedSize(LED_BASE_SIZE*2, LED_BASE_SIZE*2);
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m_base->group4BitInputLED3->setFixedSize(LED_SIZE);
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m_base->group4BitInputLED2->setFixedSize(LED_SIZE);
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m_base->group4BitInputLED1->setFixedSize(LED_SIZE);
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m_base->group4BitInputLED0->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED7->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED6->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED5->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED4->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED3->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED2->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED1->setFixedSize(LED_SIZE);
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m_base->group8BitInputLED0->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED7->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED6->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED5->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED4->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED3->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED2->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED1->setFixedSize(LED_SIZE);
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m_base->group8BitOutputLED0->setFixedSize(LED_SIZE);
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m_base->group4BitInputLED3->setState(KLed::Off);
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m_base->group4BitInputLED2->setState(KLed::Off);
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m_base->group4BitInputLED1->setState(KLed::Off);
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m_base->group4BitInputLED0->setState(KLed::Off);
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m_base->group8BitInputLED7->setState(KLed::Off);
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m_base->group8BitInputLED6->setState(KLed::Off);
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m_base->group8BitInputLED5->setState(KLed::Off);
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m_base->group8BitInputLED4->setState(KLed::Off);
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m_base->group8BitInputLED3->setState(KLed::Off);
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m_base->group8BitInputLED2->setState(KLed::Off);
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m_base->group8BitInputLED1->setState(KLed::Off);
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m_base->group8BitInputLED0->setState(KLed::Off);
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m_base->group8BitOutputLED7->setState(KLed::Off);
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m_base->group8BitOutputLED6->setState(KLed::Off);
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m_base->group8BitOutputLED5->setState(KLed::Off);
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m_base->group8BitOutputLED4->setState(KLed::Off);
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m_base->group8BitOutputLED3->setState(KLed::Off);
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m_base->group8BitOutputLED2->setState(KLed::Off);
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m_base->group8BitOutputLED1->setState(KLed::Off);
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m_base->group8BitOutputLED0->setState(KLed::Off);
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m_base->group8BitOutputLED7->setClickable(false);
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m_base->group8BitOutputLED6->setClickable(false);
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m_base->group8BitOutputLED5->setClickable(false);
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m_base->group8BitOutputLED4->setClickable(false);
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m_base->group8BitOutputLED3->setClickable(false);
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m_base->group8BitOutputLED2->setClickable(false);
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m_base->group8BitOutputLED1->setClickable(false);
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m_base->group8BitOutputLED0->setClickable(false);
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connect(m_base->group4BitInputLED3, SIGNAL(changed()), this, SLOT(process4BitInputChanges()));
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connect(m_base->group4BitInputLED2, SIGNAL(changed()), this, SLOT(process4BitInputChanges()));
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connect(m_base->group4BitInputLED1, SIGNAL(changed()), this, SLOT(process4BitInputChanges()));
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connect(m_base->group4BitInputLED0, SIGNAL(changed()), this, SLOT(process4BitInputChanges()));
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connect(m_base->group8BitInputLED7, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED6, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED5, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED4, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED3, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED2, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED1, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group8BitInputLED0, SIGNAL(clicked()), this, SLOT(process8BitInputChanges()));
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connect(m_base->group16BitInputValue, SIGNAL(valueChanged(int)), this, SLOT(process16BitInputChanges()));
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processAllGraphicsUpdates();
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TQTimer::singleShot(0, this, TQT_SLOT(postInit()));
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}
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FPGAViewPart::~FPGAViewPart() {
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if (m_connectionMutex->locked()) {
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printf("[WARNING] Exiting when data transfer still in progress!\n\r"); fflush(stdout);
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}
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disconnectFromServer();
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delete m_connectionMutex;
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}
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void FPGAViewPart::processAllGraphicsUpdates() {
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// This is an expensive operation
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// Use it sparingly!
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process4BitInputChanges();
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process4BitOutputChanges();
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process8BitInputChanges();
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process8BitOutputChanges();
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process16BitInputChanges();
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process16BitOutputChanges();
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processLCDOutputChanges();
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processLockouts();
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}
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void FPGAViewPart::process4BitInputChanges() {
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// Read LED status into m_4bitInputValue
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m_4bitInputValue = 0;
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if (m_base->group4BitInputLED3->state() == KLed::On) m_4bitInputValue |= 0x08;
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if (m_base->group4BitInputLED2->state() == KLed::On) m_4bitInputValue |= 0x04;
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if (m_base->group4BitInputLED1->state() == KLed::On) m_4bitInputValue |= 0x02;
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if (m_base->group4BitInputLED0->state() == KLed::On) m_4bitInputValue |= 0x01;
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m_base->group4BitInputValueText->setText(TQString("0x%1").arg(m_4bitInputValue, 0, 16));
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}
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void FPGAViewPart::process4BitOutputChanges() {
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// Write m_4bitOutputValue to label
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m_base->group4BitOutputValueText->setText(TQString("0x%1").arg(m_16bitOutputValue, 0, 16));
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}
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void FPGAViewPart::process8BitInputChanges() {
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// Read LED status into m_8bitInputValue
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m_8bitInputValue = 0;
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if (m_base->group8BitInputLED7->state() == KLed::On) m_8bitInputValue |= 0x80;
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if (m_base->group8BitInputLED6->state() == KLed::On) m_8bitInputValue |= 0x40;
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if (m_base->group8BitInputLED5->state() == KLed::On) m_8bitInputValue |= 0x20;
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if (m_base->group8BitInputLED4->state() == KLed::On) m_8bitInputValue |= 0x10;
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if (m_base->group8BitInputLED3->state() == KLed::On) m_8bitInputValue |= 0x08;
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if (m_base->group8BitInputLED2->state() == KLed::On) m_8bitInputValue |= 0x04;
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if (m_base->group8BitInputLED1->state() == KLed::On) m_8bitInputValue |= 0x02;
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if (m_base->group8BitInputLED0->state() == KLed::On) m_8bitInputValue |= 0x01;
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m_base->group8BitInputValueText->setText(TQString("0x%1").arg(m_8bitInputValue, 0, 16));
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if (remoteInputModeEnabled) {
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m_base->group8BitInput->setTitle(i18n("8-Bit Input Values") + " [" + i18n("Remote Input Mode") + "]");
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}
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else {
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m_base->group8BitInput->setTitle(i18n("8-Bit Input Values") + " [" + i18n("Local Input Mode") + "]");
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}
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}
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void FPGAViewPart::process8BitOutputChanges() {
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// Write m_8bitOutputValue to LEDs
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m_base->group8BitOutputLED7->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED6->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED5->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED4->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED3->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED2->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED1->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputLED0->setState((m_8bitInputValue & 0x80)?KLed::On:KLed::Off);
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m_base->group8BitOutputValueText->setText(TQString("0x%1").arg(m_8bitOutputValue, 0, 16));
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}
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void FPGAViewPart::process16BitInputChanges() {
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// Read input into m_16bitInputValue
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m_16bitInputValue = m_base->group16BitInputValue->value();
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}
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void FPGAViewPart::process16BitOutputChanges() {
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// Write m_16bitOutputValue to label
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m_base->group16BitOutputValue->setText(TQString("0x%1").arg(m_16bitOutputValue, 0, 16));
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}
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void FPGAViewPart::processLCDOutputChanges() {
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// Write m_LCDOutputValue to label
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TQString topLine = m_LCDOutputValue;
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TQString bottomLine = m_LCDOutputValue;
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topLine.truncate(16);
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bottomLine.remove(0,8);
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m_base->LCDOutputLabel->setText(topLine + "\n" + bottomLine);
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}
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void FPGAViewPart::processLockouts() {
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TQWidget* mainWidget = widget();
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if (mainWidget) {
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if ((m_socket) && (m_socket->state() == TQSocket::Connected) && (connToServerState > 0) && (connToServerConnecting == false)) {
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mainWidget->setEnabled(true);
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}
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else {
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mainWidget->setEnabled(false);
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}
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}
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if (m_interfaceMode == BasicInterfaceMode) {
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m_modeBasicEnabled->setChecked(true);
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m_modeIntermediateEnabled->setChecked(false);
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m_modeAdvancedEnabled->setChecked(false);
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}
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if (m_interfaceMode == IntermediateInterfaceMode) {
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m_modeBasicEnabled->setChecked(false);
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m_modeIntermediateEnabled->setChecked(true);
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m_modeAdvancedEnabled->setChecked(false);
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}
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if (m_interfaceMode == AdvancedInterfaceMode) {
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m_modeBasicEnabled->setChecked(false);
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m_modeIntermediateEnabled->setChecked(false);
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m_modeAdvancedEnabled->setChecked(true);
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}
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}
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void FPGAViewPart::switchToBasicMode() {
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m_interfaceMode = BasicInterfaceMode;
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processLockouts();
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}
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void FPGAViewPart::switchToIntermediateMode() {
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m_interfaceMode = IntermediateInterfaceMode;
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processLockouts();
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}
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void FPGAViewPart::switchToAdvancedMode() {
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m_interfaceMode = AdvancedInterfaceMode;
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processLockouts();
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}
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void FPGAViewPart::connectionClosed() {
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closeURL();
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}
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void FPGAViewPart::postInit() {
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connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateDisplay()));
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}
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bool FPGAViewPart::openURL(const KURL &url) {
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int ret;
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ret = connectToServer(url.url());
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processLockouts();
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return (ret != 0);
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}
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bool FPGAViewPart::closeURL() {
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disconnectFromServer();
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m_url = KURL();
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return true;
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}
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void FPGAViewPart::disconnectFromServer() {
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if (m_socket) {
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m_socket->clearPendingData();
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m_socket->close();
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delete m_socket;
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m_socket = NULL;
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}
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processLockouts();
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}
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void FPGAViewPart::finishConnectingToServer() {
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if (!m_socket) {
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connToServerState = -1;
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connToServerConnecting = false;
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processLockouts();
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return;
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}
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if (connToServerConnecting) {
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switch(connToServerState) {
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case 0:
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if (!connToServerTimeoutTimer) {
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connToServerTimeoutTimer = new TQTimer;
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connToServerTimeoutTimer->start(SERVER_TIMEOUT_MS, TRUE);
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}
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if ((m_socket->state() == TQSocket::Connecting) || (m_socket->state() == TQSocket::HostLookup)) {
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if (!connToServerTimeoutTimer->isActive()) {
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connToServerState = -3;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>Unable to establish connection to remote server</qt>"), i18n("Connection Failed"));
|
|
}
|
|
}
|
|
else {
|
|
if (m_socket->state() == TQSocket::Connected) {
|
|
printf("[DEBUG] Initial connection established...\n\r"); fflush(stdout);
|
|
m_socket->setDataTimeout(SERVER_TIMEOUT_MS);
|
|
m_socket->setUsingKerberos(true);
|
|
connToServerState = 1;
|
|
}
|
|
else {
|
|
connToServerState = -1;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>Unable to establish connection to remote server</qt>"), i18n("Connection Failed"));
|
|
}
|
|
}
|
|
break;
|
|
case 1:
|
|
if (m_socket->kerberosStatus() == TDEKerberosClientSocket::KerberosInitializing) {
|
|
// Do nothing
|
|
}
|
|
else {
|
|
if (m_socket->kerberosStatus() != TDEKerberosClientSocket::KerberosInUse) {
|
|
connToServerState = -1;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>Unable to establish Kerberos protocol with remote server<p>Please verify that you currently hold a valid Kerberos ticket</qt>"), i18n("Connection Failed"));
|
|
}
|
|
else {
|
|
connToServerState = 2;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
// Connection established!
|
|
// Read magic number and proto version from server
|
|
TQDataStream ds(m_socket);
|
|
TQ_UINT32 magicnum;
|
|
TQ_UINT32 protover;
|
|
ds >> magicnum;
|
|
ds >> protover;
|
|
printf("[DEBUG] Got magic number %d and protocol version %d\n\r", magicnum, protover); fflush(stdout);
|
|
|
|
// Request connection to backend server
|
|
TQString response;
|
|
ds << TQString("SERV");
|
|
ds << TQString(CLIENT_LIBRARY);
|
|
ds >> response;
|
|
printf("[RAJA DEBUG 400.0] Got '%s' from the server\n\r", response.ascii()); fflush(stdout);
|
|
if (response == "OK") {
|
|
connToServerState = 3;
|
|
connToServerConnecting = false;
|
|
processLockouts();
|
|
return;
|
|
}
|
|
else if (response == "ERRNOCONN") {
|
|
connToServerState = -1;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>Unable to establish connection with backend server<p>Please verify that you are currently connected to a workspace</qt>"), i18n("Connection Failed"));
|
|
close();
|
|
return;
|
|
}
|
|
else if (response == "ERRNOTAVL") {
|
|
connToServerState = -1;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>The backend server is not available at this time<p>Please try a different workspace, or try again later</qt>"), i18n("Connection Failed"));
|
|
close();
|
|
return;
|
|
}
|
|
else if (response == "ERRNOSERV") {
|
|
connToServerState = -1;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>The active laboratory workspace does not support the requested service</qt>"), i18n("Service Unavailable"));
|
|
close();
|
|
return;
|
|
}
|
|
else {
|
|
connToServerState = -1;
|
|
connToServerConnecting = false;
|
|
disconnectFromServer();
|
|
KMessageBox::error(0, i18n("<qt>Unable to establish connection with remote server</qt>"), i18n("Connection Failed"));
|
|
close();
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
TQTimer::singleShot(0, this, SLOT(finishConnectingToServer()));
|
|
}
|
|
}
|
|
|
|
int FPGAViewPart::connectToServer(TQString server) {
|
|
if (m_socket) {
|
|
return -1;
|
|
}
|
|
if (!m_socket) {
|
|
m_socket = new TDEKerberosClientSocket(this);
|
|
connect(m_socket, TQT_SIGNAL(statusMessageUpdated(const TQString&)), this, TQT_SLOT(setStatusMessage(const TQString&) ));
|
|
}
|
|
m_socket->setServiceName("remotefpga");
|
|
m_socket->setServerFQDN(server);
|
|
m_socket->connectToHost(server, 4004);
|
|
|
|
// Finish connecting when appropriate
|
|
connToServerState = 0;
|
|
connToServerConnecting = true;
|
|
TQTimer::singleShot(0, this, SLOT(finishConnectingToServer()));
|
|
|
|
return 0;
|
|
}
|
|
|
|
TQPtrList<KAction> FPGAViewPart::menuActionList() {
|
|
return m_menuActionList;
|
|
}
|
|
|
|
void FPGAViewPart::updateDisplay() {
|
|
// RAJA FIXME
|
|
// setStatusMessage(i18n("Debug interface timeout, still waiting for data. Please verify that the FPGA is properly configured.")); // or setStatusMessage(i18n("Running")+"... \|/-"
|
|
}
|
|
|
|
KAboutData* FPGAViewPart::createAboutData() {
|
|
return new KAboutData( APP_NAME, I18N_NOOP( APP_PRETTYNAME ), APP_VERSION );
|
|
}
|
|
|
|
} //namespace RemoteLab
|
|
|
|
#include "part.moc"
|