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serialport.cpp
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/***************************************************************************//**
* @file
* Serial Port
*
* @version @n 1.0
* @date @n 4/3/2014
*
* @author @n Kwabena W. Agyeman
* @copyright @n (c) 2014 Kwabena W. Agyeman
* @n All rights reserved - Please see the end of the file for the terms of use
*
* @par Update History:
* @n v1.0 - Original release - 4/3/2014
*******************************************************************************/
#include "serialport.h"
const char *SerialPort::m_demoPortNameList[] =
{
DemoPort::staticMetaObject.className()
};
const int SerialPort::m_demoPortNameListSize =
sizeof(SerialPort::m_demoPortNameList) / sizeof(const char *);
SerialPort::SerialPort(QWidget *widget,
QSettings *settings, QObject *parent) : QObject(parent)
{
qRegisterMetaType< QPair<QString, QString> >
("QPair<QString, QString>");
qRegisterMetaType< QList< QPair<QString, QString> > >
("QList< QPair<QString, QString> >");
m_port = NULL;
m_widget = widget;
m_settings = settings;
m_demoPortList = availableDemoPorts();
m_serialPortList = availableSerialPorts();
// Demo Port List Scanner /////////////////////////////////////////////////
m_demoPortListTimer = new QTimer(this);
connect(m_demoPortListTimer, SIGNAL(timeout()),
this, SLOT(scanDemoPorts()));
m_demoPortListTimer->start(DEMO_PORT_LIST_SCAN_RATE);
// Serial Port List Scanner ///////////////////////////////////////////////
m_serialPortListTimer = new QTimer(this);
connect(m_serialPortListTimer, SIGNAL(timeout()),
this, SLOT(scanSerialPorts()));
m_serialPortListTimer->start(SERIAL_PORT_LIST_SCAN_RATE);
}
SerialPort::~SerialPort()
{
if(m_port)
{
m_port->close(); delete m_port;
}
}
void SerialPort::setPort(QIODevice *port)
{
if(m_port != port)
{
if(m_port)
{
m_port->close(); delete m_port;
}
if(port)
{
if(port->parent() != this)
{
port->setParent(this);
}
if(!getOverride(port))
{
attachOverride(port);
}
connect(port, SIGNAL(aboutToClose()),
port, SLOT(deleteLater()));
connect(port, SIGNAL(aboutToClose()),
this, SIGNAL(portAboutToClose()));
connect(port, SIGNAL(destroyed()),
this, SIGNAL(portDestroyedOrChanged()));
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.setValue(SERIAL_PORT_KEY_PORT_OPEN, getName(port));
m_port = port;
emit portDestroyedOrChanged();
}
}
QIODevice *SerialPort::getPort() const
{
return m_port;
}
QString SerialPort::getPortName() const
{
return getName(getPort());
}
QIODeviceSettingsOverride *SerialPort::getOverride() const
{
return getOverride(getPort());
}
bool SerialPort::isDemoPort() const
{
return isDemoPort(getPort());
}
bool SerialPort::isSerialPort() const
{
return isSerialPort(getPort());
}
QString SerialPort::getLastPort() const
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
return settings.value(SERIAL_PORT_KEY_PORT_OPEN).toString();
}
bool SerialPort::getLastPortWasSet() const
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
return settings.contains(SERIAL_PORT_KEY_PORT_OPEN);
}
void SerialPort::setLastPortWasSet()
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
return settings.setValue(SERIAL_PORT_KEY_PORT_OPEN, getLastPort());
}
void SerialPort::setWidget(QWidget *widget)
{
m_widget = widget;
}
QWidget *SerialPort::getWidget() const
{
return m_widget;
}
void SerialPort::setSettings(QSettings *settings)
{
m_settings = settings;
}
QSettings *SerialPort::getSettings() const
{
return m_settings;
}
void SerialPort::setSerialMake(SerialMake *instance)
{
if(m_serialMake != instance)
{
if(m_serialMake)
{
SerialMake *serialMake = m_serialMake; m_serialMake = NULL;
serialMake->setSerialPort(NULL);
}
if(instance)
{
m_serialMake = instance;
m_serialMake->setSerialPort(this);
}
}
}
SerialMake *SerialPort::getSerialMake() const
{
return m_serialMake;
}
void SerialPort::setDemoPortList(const QList< QPair<QString, QString> >
&portList)
{
if(portList != m_demoPortList)
{
bool added = portList.size() > m_demoPortList.size();
bool removed = portList.size() < m_demoPortList.size();
m_demoPortList = portList;
QList<SerialDevice *> list = findChildren<SerialDevice *>();
foreach(SerialDevice *port, list)
{
if(!portInDemoPortList(getName(port)))
{
port->close(); delete port;
}
}
emit demoPortListChanged();
if(added)
{
emit demoPortAdded();
}
else if(removed)
{
emit demoPortRemoved();
}
}
}
QList< QPair<QString, QString> > SerialPort::getDemoPortList() const
{
return m_demoPortList;
}
bool SerialPort::portInDemoPortList(const QString &portName) const
{
bool found = false;
QList< QPair<QString, QString> >::const_iterator i =
m_demoPortList.constBegin();
QList< QPair<QString, QString> >::const_iterator j =
m_demoPortList.constEnd();
for(; i != j; i++)
{
if(portName == i->second)
{
found = true; break;
}
}
return found;
}
void SerialPort::setSerialPortList(const QList< QPair<QString, QString> >
&portList)
{
if(portList != m_serialPortList)
{
bool added = portList.size() > m_serialPortList.size();
bool removed = portList.size() < m_serialPortList.size();
m_serialPortList = portList;
QList<QSerialPort *> list = findChildren<QSerialPort *>();
foreach(QSerialPort *port, list)
{
if(!portInSerialPortList(getName(port)))
{
port->close(); delete port;
}
}
emit serialPortListChanged();
if(added)
{
emit serialPortAdded();
}
else if(removed)
{
emit serialPortRemoved();
}
}
}
QList< QPair<QString, QString> > SerialPort::getSerialPortList() const
{
return m_serialPortList;
}
bool SerialPort::portInSerialPortList(const QString &portName) const
{
bool found = false;
QList< QPair<QString, QString> >::const_iterator i =
m_serialPortList.constBegin();
QList< QPair<QString, QString> >::const_iterator j =
m_serialPortList.constEnd();
for(; i != j; i++)
{
if(portName == i->second)
{
found = true; break;
}
}
return found;
}
QList< QPair<QString, QString> > SerialPort::availableDemoPorts()
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
QMap<QString, QPair<QString, QString> > list;
for(int i = 0; i < m_demoPortNameListSize; i++)
{
QString portName = m_demoPortNameList[i];
QString prettyName;
// Can't use getPrettyName() as it requires the port to exist first.
settings.beginGroup(portName);
prettyName = settings.value(SERIAL_PORT_KEY_PRETTY_NAME,
prettyDemoPortName(portName)).toString();
settings.endGroup();
list.insertMulti(prettyName,
QPair<QString, QString>(prettyName, portName));
}
return list.values();
}
QList< QPair<QString, QString> > SerialPort::availableSerialPorts()
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
QMap<QString, QPair<QString, QString> > list;
foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
{
QString portName = info.portName();
QString prettyName;
// Can't use getPrettyName() as it requires the port to exist first.
settings.beginGroup(portName);
prettyName = settings.value(SERIAL_PORT_KEY_PRETTY_NAME,
prettySerialPortName(portName)).toString();
settings.endGroup();
list.insertMulti(prettyName,
QPair<QString, QString>(prettyName, portName));
}
return list.values();
}
QIODevice *SerialPort::openPort(const QString &portName, bool silent)
{
if(portName.isEmpty())
{
setPort(NULL); return NULL;
}
// Check Demo Ports
for(int i = 0; i < m_demoPortNameListSize; i++)
{
if(portName == m_demoPortNameList[i])
{
SerialDevice *port;
if(portName == DemoPort::staticMetaObject.className())
{
attachOverride(port = new DemoPort(this));
}
else
{
if(!silent) { QMessageBox::critical(m_widget, tr("Open Port"),
tr("Demo port not found")); } setPort(NULL); return NULL;
}
if(port->open(QIODevice::ReadWrite))
{
setPort(port); return port;
}
QString errorString = port->errorString(); port->close();
if(!silent) { QMessageBox::critical(m_widget, tr("Open Port"),
errorString); } delete port; setPort(NULL); return NULL;
}
}
// Check Serial Ports
foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
{
if(portName == info.portName())
{
QSerialPort *port;
attachOverride(port = new QSerialPort(portName, this));
if(!silent)
{
askSetPrettyNameWithDialog(portName);
askSetMakeFileWithDialog(portName);
}
if(setBaudRate(port, DEF_BAUD_RATE)
&& port->setDataBits(QSerialPort::Data8)
&& port->setParity(QSerialPort::NoParity)
&& port->setStopBits(QSerialPort::OneStop)
&& port->setFlowControl(QSerialPort::NoFlowControl)
&& port->setDataTerminalReady(true)
&& port->setRequestToSend(true)
&& port->open(QIODevice::ReadWrite)
&& port->setBreakEnabled(true))
{
QThread::msleep(SERIAL_PORT_OPEN_RESET_WAIT);
if((!port->setBreakEnabled(false))
|| (!port->setRequestToSend(false))
|| (!port->setDataTerminalReady(false)))
{
QString errorString = port->errorString(); port->close();
if(!silent){QMessageBox::critical(m_widget,tr("Open Port"),
errorString); } delete port; setPort(NULL); return NULL;
}
QThread::msleep(SERIAL_PORT_OPEN_CLEAR_WAIT);
if((!port->flush())
|| (!port->clear()))
{
QString errorString = port->errorString(); port->close();
if(!silent){QMessageBox::critical(m_widget,tr("Open Port"),
errorString); } delete port; setPort(NULL); return NULL;
}
setPort(port); return port;
}
QString errorString = port->errorString(); port->close();
if(!silent) { QMessageBox::critical(m_widget, tr("Open Port"),
errorString); } delete port; setPort(NULL); return NULL;
}
}
if(!silent) { QMessageBox::critical(m_widget, tr("Open Port"),
tr("Serial port not found")); } setPort(NULL); return NULL;
}
void SerialPort::askSetPrettyNameWithDialog(const QString &portName)
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
if(!settings.contains(SERIAL_PORT_KEY_PRETTY_NAME))
{
QMessageBox mb(QMessageBox::Question, tr("Change Name"),
tr("Would you like to change this port's name?"),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
m_widget);
mb.setDefaultButton(QMessageBox::Yes);
mb.setEscapeButton(QMessageBox::Cancel);
QIODevice *port = getPort(portName);
if(port)
{
connect(port, SIGNAL(aboutToClose()), &mb, SLOT(reject()));
}
int result = mb.exec();
if(result == QMessageBox::Yes)
{
setPrettyNameWithDialog(portName);
}
else if(result == QMessageBox::No)
{
// Don't ask again...
settings.setValue(SERIAL_PORT_KEY_PRETTY_NAME,
getPrettyName(portName));
}
}
}
void SerialPort::askSetMakeFileWithDialog(const QString &portName)
{
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
if(!settings.contains(SERIAL_PORT_KEY_MAKE_FILE))
{
QMessageBox mb(QMessageBox::Question, tr("Change Type"),
tr("Would you like to change this port's type?"),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
m_widget);
mb.setDefaultButton(QMessageBox::Yes);
mb.setEscapeButton(QMessageBox::Cancel);
QIODevice *port = getPort(portName);
if(port)
{
connect(port, SIGNAL(aboutToClose()), &mb, SLOT(reject()));
}
int result = mb.exec();
if(result == QMessageBox::Yes)
{
setMakeFileWithDialog(portName);
}
else if(result == QMessageBox::No)
{
// Don't ask again...
settings.setValue(SERIAL_PORT_KEY_MAKE_FILE,
getMakeFile(portName));
}
}
}
void SerialPort::setPrettyNameWithDialog(const QString &portName)
{
if(portName.isEmpty())
{
QMessageBox::critical(m_widget, tr("Change Name"),
tr("Invalid Port")); return;
}
QInputDialog id(m_widget, Qt::MSWindowsFixedSizeDialogHint |
Qt::WindowTitleHint | Qt::WindowSystemMenuHint |
Qt::WindowCloseButtonHint);
id.setWindowTitle(tr("Change Name"));
id.setInputMode(QInputDialog::TextInput);
id.setLabelText(tr("Please enter a new name"));
id.setTextEchoMode(QLineEdit::Normal);
id.setTextValue(getPrettyName(portName));
QIODevice *port = getPort(portName);
if(port)
{
connect(port, SIGNAL(aboutToClose()), &id, SLOT(reject()));
}
if(id.exec() == QDialog::Accepted)
{
if(!id.textValue().isEmpty())
{
setPrettyName(portName, id.textValue());
}
else
{
QMessageBox::critical(m_widget, tr("Change Name"),
tr("Name cannot be empty")); return;
}
}
}
void SerialPort::setMakeFileWithDialog(const QString &portName)
{
if(portName.isEmpty())
{
QMessageBox::critical(m_widget, tr("Change Type"),
tr("Invalid Port")); return;
}
// Begin SerialMake Override //////////////////////////////////////////////
if(m_serialMake)
{
m_serialMake->setMakeFileWithDialogWithPort(portName, this); return;
}
// End SerialMake Override ////////////////////////////////////////////////
QInputDialog id(m_widget, Qt::MSWindowsFixedSizeDialogHint |
Qt::WindowTitleHint | Qt::WindowSystemMenuHint |
Qt::WindowCloseButtonHint);
id.setWindowTitle(tr("Change Type"));
id.setInputMode(QInputDialog::TextInput);
id.setLabelText(tr("Please enter a new type"));
id.setTextEchoMode(QLineEdit::Normal);
id.setTextValue(getMakeFile(portName));
QIODevice *port = getPort(portName);
if(port)
{
connect(port, SIGNAL(aboutToClose()), &id, SLOT(reject()));
}
if(id.exec() == QDialog::Accepted)
{
if(!id.textValue().isEmpty())
{
setMakeFile(portName, id.textValue());
}
else
{
QMessageBox::critical(m_widget, tr("Change Type"),
tr("Type cannot be empty")); return;
}
}
}
void SerialPort::setPrettyName(const QString &portName,
const QString &prettyName)
{
if(portName.isEmpty())
{
return;
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
settings.setValue(SERIAL_PORT_KEY_PRETTY_NAME, prettyName);
scanDemoPorts();
scanSerialPorts();
if(portName == getPortName())
{
emit portDestroyedOrChanged();
}
}
QString SerialPort::getPrettyName(const QString &portName) const
{
if(portName.isEmpty())
{
return QString();
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
QString result = settings.value(SERIAL_PORT_KEY_PRETTY_NAME).toString();
if(!settings.contains(SERIAL_PORT_KEY_PRETTY_NAME))
{
if(qobject_cast<SerialDevice *>(getPort(portName)))
{
result = prettyDemoPortName(portName);
}
else if(qobject_cast<QSerialPort *>(getPort(portName)))
{
result = prettySerialPortName(portName);
}
}
return result;
}
void SerialPort::setMakeFile(const QString &portName,
const QString &makeFile)
{
if(portName.isEmpty())
{
return;
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
settings.setValue(SERIAL_PORT_KEY_MAKE_FILE,
QDir::fromNativeSeparators(QDir::cleanPath(makeFile)));
if(portName == getPortName())
{
emit portDestroyedOrChanged();
}
}
QString SerialPort::getMakeFile(const QString &portName) const
{
if(portName.isEmpty())
{
return QString();
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
QString result = QDir::fromNativeSeparators(QDir::cleanPath(
settings.value(SERIAL_PORT_KEY_MAKE_FILE).toString()));
if(!settings.contains(SERIAL_PORT_KEY_MAKE_FILE))
{
if(qobject_cast<SerialDevice *>(getPort(portName)))
{
result = result; // UNUSED //
}
else if(qobject_cast<QSerialPort *>(getPort(portName)))
{
result = result; // UNUSED //
}
}
return result;
}
void SerialPort::setOverrideBaudRate(const QString &portName,
const QString &baudRate)
{
if(portName.isEmpty())
{
return;
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
settings.setValue(SERIAL_PORT_KEY_BAUD_RATE, baudRate);
QIODeviceSettingsOverride *override = getOverride(portName);
if(override)
{
override->m_baudRateOverride = baudRate;
}
QIODevice *port = getPort(override);
setBaudRate(port, getBaudRate(port));
if(portName == getPortName())
{
emit portDestroyedOrChanged();
}
}
QString SerialPort::getOverrideBaudRate(const QString &portName) const
{
if(portName.isEmpty())
{
return QString();
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
return settings.value(SERIAL_PORT_KEY_BAUD_RATE).toString();
}
void SerialPort::setOverrideLatencyTimer(const QString &portName,
const QString &latencyTimer)
{
if(portName.isEmpty())
{
return;
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
settings.setValue(SERIAL_PORT_KEY_LATENCY_TIMER, latencyTimer);
QIODeviceSettingsOverride *override = getOverride(portName);
if(override)
{
override->m_latencyTimerOverride = latencyTimer;
}
QIODevice *port = getPort(override);
setLatencyTimer(port, getLatencyTimer(port));
if(portName == getPortName())
{
emit portDestroyedOrChanged();
}
}
QString SerialPort::getOverrideLatencyTimer(const QString &portName) const
{
if(portName.isEmpty())
{
return QString();
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
return settings.value(SERIAL_PORT_KEY_LATENCY_TIMER).toString();
}
void SerialPort::setOverrideTransferTime(const QString &portName,
const QString &readTime,
const QString &writeTime)
{
if(portName.isEmpty())
{
return;
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
settings.setValue(SERIAL_PORT_KEY_READ_TRANSFER_TIME, readTime);
settings.setValue(SERIAL_PORT_KEY_WRITE_TRANSFER_TIME, writeTime);
QIODeviceSettingsOverride *override = getOverride(portName);
if(override)
{
override->m_readTransferTimeOverride = readTime;
override->m_writeTransferTimeOverride = writeTime;
}
QIODevice *port = getPort(override);
QPair<int, int> time = getTransferTime(port);
setTransferTime(port, time.first, time.second);
if(portName == getPortName())
{
emit portDestroyedOrChanged();
}
}
QPair<QString, QString> SerialPort::getOverrideTransferTime(const QString
&portName) const
{
if(portName.isEmpty())
{
return QPair<QString, QString>(QString(), QString());
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
QPair<QString, QString> pair;
pair.first=settings.value(SERIAL_PORT_KEY_READ_TRANSFER_TIME).toString();
pair.second=settings.value(SERIAL_PORT_KEY_WRITE_TRANSFER_TIME).toString();
return pair;
}
void SerialPort::setOverrideTransferSize(const QString &portName,
const QString &readSize,
const QString &writeSize)
{
if(portName.isEmpty())
{
return;
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
settings.setValue(SERIAL_PORT_KEY_READ_TRANSFER_SIZE, readSize);
settings.setValue(SERIAL_PORT_KEY_WRITE_TRANSFER_SIZE, writeSize);
QIODeviceSettingsOverride *override = getOverride(portName);
if(override)
{
override->m_readTransferSizeOverride = readSize;
override->m_writeTransferSizeOverride = writeSize;
}
QIODevice *port = getPort(override);
QPair<int, int> size = getTransferSize(port);
setTransferSize(port, size.first, size.second);
if(portName == getPortName())
{
emit portDestroyedOrChanged();
}
}
QPair<QString, QString> SerialPort::getOverrideTransferSize(const QString
&portName) const
{
if(portName.isEmpty())
{
return QPair<QString, QString>(QString(), QString());
}
QSettings settings(m_settings ? m_settings->fileName() : QString(),
m_settings ? m_settings->format() : QSettings::Format());
settings.beginGroup(SERIAL_PORT_KEY_GROUP);
settings.beginGroup(SERIAL_PORT_KEY_PORT_LIST);
settings.beginGroup(portName);
QPair<QString, QString> pair;
pair.first=settings.value(SERIAL_PORT_KEY_READ_TRANSFER_SIZE).toString();
pair.second=settings.value(SERIAL_PORT_KEY_WRITE_TRANSFER_SIZE).toString();
return pair;
}
bool SerialPort::clearAll(QIODevice *port)
{
if(qobject_cast<QSerialPort *>(port))
{
return static_cast<QSerialPort *>(port)->clear();
}
return port;
}
bool SerialPort::flushAll(QIODevice *port)