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author | Olivier Goffart <olivier.goffart@nokia.com> | 2011-04-18 16:31:19 (GMT) |
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committer | Olivier Goffart <olivier.goffart@nokia.com> | 2011-04-18 16:31:19 (GMT) |
commit | fda9cc1d8a0e49817d1c6192c52d18dffcecf327 (patch) | |
tree | aa9a3209339af6882eb496ab827f5ac297452d66 /src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp | |
parent | 6814998ab4d9c6b0990b0bf01119ace69363ce3e (diff) | |
parent | c8aafe9a63b13a4af3049c43fcd5e8cce27db829 (diff) | |
download | Qt-fda9cc1d8a0e49817d1c6192c52d18dffcecf327.zip Qt-fda9cc1d8a0e49817d1c6192c52d18dffcecf327.tar.gz Qt-fda9cc1d8a0e49817d1c6192c52d18dffcecf327.tar.bz2 |
Merge remote-tracking branch 'origin/4.7' into qt-master-from-4.7
Conflicts:
qmake/generators/makefile.cpp
qmake/generators/win32/msbuild_objectmodel.cpp
qmake/generators/win32/msvc_vcxproj.cpp
src/corelib/global/qnamespace.h
src/gui/text/qtextcontrol.cpp
Diffstat (limited to 'src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp')
-rw-r--r-- | src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp b/src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp new file mode 100644 index 0000000..21b0169 --- /dev/null +++ b/src/plugins/qmltooling/qmldbg_ost/qostdevice.cpp @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qostdevice.h" +#include <e32base.h> + +#include "usbostcomm.h" + +class QOstDevicePrivate : public CActive +{ + QOstDevice* q_ptr; + Q_DECLARE_PUBLIC(QOstDevice) + +public: + QOstDevicePrivate() : CActive(CActive::EPriorityStandard) { + CActiveScheduler::Add(this); + } + ~QOstDevicePrivate() { + Cancel(); + } + +private: + void RunL(); + void DoCancel(); + +private: + RUsbOstComm ost; + TBuf8<4096> readBuf; + QByteArray dataBuf; +}; + +QOstDevice::QOstDevice(QObject *parent) : + QIODevice(parent), d_ptr(new QOstDevicePrivate) +{ + d_ptr->q_ptr = this; +} + +QOstDevice::~QOstDevice() +{ + close(); + delete d_ptr; +} + +bool QOstDevice::open(int ostProtocolId) +{ + if (isOpen()) + return false; + + Q_D(QOstDevice); + TInt err = d->ost.Connect(); + if (!err) err = d->ost.Open(); + const TVersion KRequiredVersion(1,1,0); + TVersion version = d->ost.Version(); + if (version.iMajor < KRequiredVersion.iMajor || + (version.iMajor == KRequiredVersion.iMajor && version.iMinor < KRequiredVersion.iMinor)) { + setErrorString("CODA version too old. At least version 4.0.18 (without TRK) is required."); + return false; + } + + if (!err) err = d->ost.RegisterProtocolID((TOstProtIds)ostProtocolId, EFalse); + if (!err) { + d->ost.ReadMessage(d->iStatus, d->readBuf); + d->SetActive(); + return QIODevice::open(ReadWrite | Unbuffered); + } + return false; +} + +void QOstDevicePrivate::RunL() +{ + Q_Q(QOstDevice); + //qDebug("QOstDevice received %d bytes q=%x", readBuf.Size(), q); + if (iStatus == KErrNone) { + QByteArray data = QByteArray::fromRawData((const char*)readBuf.Ptr(), readBuf.Size()); + dataBuf.append(data); + + readBuf.Zero(); + ost.ReadMessage(iStatus, readBuf); + SetActive(); + + emit q->readyRead(); + } else { + q->setErrorString(QString("Error %1 from RUsbOstComm::ReadMessage()").arg(iStatus.Int())); + } + //qDebug("-QOstDevicePrivate RunL"); +} + +void QOstDevicePrivate::DoCancel() +{ + ost.ReadCancel(); +} + +void QOstDevice::close() +{ + Q_D(QOstDevice); + QIODevice::close(); + d->Cancel(); + // RDbgTrcComm::Close isn't safe to call when not open, sigh + if (d->ost.Handle()) { + d->ost.Close(); + } +} + +qint64 QOstDevice::readData(char *data, qint64 maxSize) +{ + Q_D(QOstDevice); + if (d->dataBuf.length() == 0 && !d->IsActive()) + return -1; + qint64 available = qMin(maxSize, (qint64)d->dataBuf.length()); + memcpy(data, d->dataBuf.constData(), available); + d->dataBuf.remove(0, available); + return available; +} + +static const TInt KMaxOstPacketLen = 4096; + +qint64 QOstDevice::writeData(const char *data, qint64 maxSize) +{ + Q_D(QOstDevice); + TPtrC8 ptr((const TUint8*)data, (TInt)maxSize); + while (ptr.Length()) { + TPtrC8 fragment = ptr.Left(qMin(ptr.Length(), KMaxOstPacketLen)); + //qDebug("QOstDevice writing %d bytes", fragment.Length()); + TRequestStatus stat; + d->ost.WriteMessage(stat, fragment); + User::WaitForRequest(stat); + if (stat.Int() != KErrNone) { + setErrorString(QString("Error %1 from RUsbOstComm::WriteMessage()").arg(stat.Int())); + return -1; + } + ptr.Set(ptr.Mid(fragment.Length())); + } + emit bytesWritten(maxSize); //TODO does it matter this is emitted synchronously? + //qDebug("QOstDevice wrote %d bytes", ptr.Size()); + return maxSize; +} + +qint64 QOstDevice::bytesAvailable() const +{ + Q_D(const QOstDevice); + return d->dataBuf.length(); +} |