diff options
Diffstat (limited to 'src/serialport/qserialportinfo_unix.cpp')
| -rw-r--r-- | src/serialport/qserialportinfo_unix.cpp | 150 |
1 files changed, 67 insertions, 83 deletions
diff --git a/src/serialport/qserialportinfo_unix.cpp b/src/serialport/qserialportinfo_unix.cpp index 9b3bf94..4433a4e 100644 --- a/src/serialport/qserialportinfo_unix.cpp +++ b/src/serialport/qserialportinfo_unix.cpp @@ -47,29 +47,23 @@ #include <QtCore/qlockfile.h> #include <QtCore/qfile.h> +#include <QtCore/qdir.h> #ifndef Q_OS_MAC -#if defined(LINK_LIBUDEV) || defined(LOAD_LIBUDEV) #include "qtudev_p.h" -#else -#include <QtCore/qdir.h> -#include <QtCore/qstringlist.h> -#endif -#endif // Q_OS_MAC +#endif QT_BEGIN_NAMESPACE #ifndef Q_OS_MAC -#if !defined(LINK_LIBUDEV) && !defined(LOAD_LIBUDEV) - -static inline const QStringList& filtersOfDevices() +static QStringList filteredDeviceFilePaths() { static const QStringList deviceFileNameFilterList = QStringList() -# ifdef Q_OS_LINUX +#ifdef Q_OS_LINUX << QStringLiteral("ttyS*") // Standard UART 8250 and etc. << QStringLiteral("ttyO*") // OMAP UART 8250 and etc. << QStringLiteral("ttyUSB*") // Usb/serial converters PL2303 and etc. @@ -80,22 +74,17 @@ static inline const QStringList& filtersOfDevices() << QStringLiteral("ttyAMA*") // AMBA serial device for embedded platform on ARM (i.e. Raspberry Pi). << QStringLiteral("rfcomm*") // Bluetooth serial device. << QStringLiteral("ircomm*"); // IrDA serial device. -# elif defined (Q_OS_FREEBSD) +#elif defined (Q_OS_FREEBSD) << QStringLiteral("cu*"); -# else - ; // Here for other *nix OS. -# endif - - return deviceFileNameFilterList; -} +#else + ; +#endif -static QStringList filteredDeviceFilePaths() -{ QStringList result; QDir deviceDir(QStringLiteral("/dev")); if (deviceDir.exists()) { - deviceDir.setNameFilters(filtersOfDevices()); + deviceDir.setNameFilters(deviceFileNameFilterList); deviceDir.setFilter(QDir::Files | QDir::System | QDir::NoSymLinks); QStringList deviceFilePaths; foreach (const QFileInfo &deviceFileInfo, deviceDir.entryInfoList()) { @@ -110,13 +99,23 @@ static QStringList filteredDeviceFilePaths() return result; } -QList<QSerialPortInfo> QSerialPortInfo::availablePorts() +QList<QSerialPortInfo> availablePortsByFiltersOfDevices() { QList<QSerialPortInfo> serialPortInfoList; -#ifndef Q_OS_LINUX - static const bool sysfsEnabled = false; -#else + foreach (const QString &deviceFilePath, filteredDeviceFilePaths()) { + QSerialPortInfo serialPortInfo; + serialPortInfo.d_ptr->device = deviceFilePath; + serialPortInfo.d_ptr->portName = QSerialPortPrivate::portNameFromSystemLocation(deviceFilePath); + serialPortInfoList.append(serialPortInfo); + } + + return serialPortInfoList; +} + +QList<QSerialPortInfo> availablePortsBySysfs() +{ + QList<QSerialPortInfo> serialPortInfoList; QDir ttySysClassDir(QStringLiteral("/sys/class/tty")); const bool sysfsEnabled = ttySysClassDir.exists() && ttySysClassDir.isReadable(); @@ -131,16 +130,12 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() if (lastIndexOfSlash == -1) continue; - bool canAppendToList = true; QSerialPortInfo serialPortInfo; if (targetPath.contains(QStringLiteral("pnp"))) { - // TODO: Implement me. + // TODO: Obtain more information } else if (targetPath.contains(QStringLiteral("platform"))) { - // Platform 'pseudo' bus for legacy device. - // Skip this devices because this type of subsystem does - // not include a real physical serial device. - canAppendToList = false; + continue; } else if (targetPath.contains(QStringLiteral("usb"))) { QDir targetDir(targetPath); @@ -185,26 +180,14 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() } } while (targetDir.cdUp()); + } else if (targetPath.contains(QStringLiteral("pci"))) { + // TODO: Obtain more information about the device } else { - // unknown types of devices - canAppendToList = false; - } - - if (canAppendToList) { - serialPortInfo.d_ptr->portName = targetPath.mid(lastIndexOfSlash + 1); - serialPortInfo.d_ptr->device = QSerialPortPrivate::portNameToSystemLocation(serialPortInfo.d_ptr->portName); - serialPortInfoList.append(serialPortInfo); + continue; } - } - } -#endif - - if (!sysfsEnabled) { - foreach (const QString &deviceFilePath, filteredDeviceFilePaths()) { - QSerialPortInfo serialPortInfo; - serialPortInfo.d_ptr->device = deviceFilePath; - serialPortInfo.d_ptr->portName = QSerialPortPrivate::portNameFromSystemLocation(deviceFilePath); + serialPortInfo.d_ptr->portName = targetPath.mid(lastIndexOfSlash + 1); + serialPortInfo.d_ptr->device = QSerialPortPrivate::portNameToSystemLocation(serialPortInfo.d_ptr->portName); serialPortInfoList.append(serialPortInfo); } } @@ -212,18 +195,15 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() return serialPortInfoList; } -#else - -QList<QSerialPortInfo> QSerialPortInfo::availablePorts() +QList<QSerialPortInfo> availablePortsByUdev() { -#ifdef LOAD_LIBUDEV +#ifndef LINK_LIBUDEV static bool symbolsResolved = resolveSymbols(); if (!symbolsResolved) return QList<QSerialPortInfo>(); #endif QList<QSerialPortInfo> serialPortInfoList; - // White list for devices without a parent static const QString rfcommDeviceName(QStringLiteral("rfcomm")); struct ::udev *udev = ::udev_new(); @@ -256,15 +236,12 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() struct ::udev_device *parentdev = ::udev_device_get_parent(dev); - bool canAppendToList = true; - if (parentdev) { QString subsys = QString::fromLatin1(::udev_device_get_subsystem(parentdev)); if (subsys == QStringLiteral("usb-serial") - || subsys == QStringLiteral("usb")) { // USB bus type - // Append this devices and try get additional information about them. + || subsys == QStringLiteral("usb")) { serialPortInfo.d_ptr->description = QString::fromLatin1(::udev_device_get_property_value(dev, "ID_MODEL")).replace(QLatin1Char('_'), QLatin1Char(' ')); serialPortInfo.d_ptr->manufacturer = QString::fromLatin1(::udev_device_get_property_value(dev, @@ -278,39 +255,28 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() QString::fromLatin1(::udev_device_get_property_value(dev, "ID_MODEL_ID")).toInt(&serialPortInfo.d_ptr->hasProductIdentifier, 16); - } else if (subsys == QStringLiteral("pnp")) { // PNP bus type - // Append this device. - // FIXME: How to get additional information about serial devices - // with this subsystem? - } else if (subsys == QStringLiteral("platform")) { // Platform 'pseudo' bus for legacy device. - // Skip this devices because this type of subsystem does - // not include a real physical serial device. - canAppendToList = false; - } else { // Others types of subsystems. - // Append this devices because we believe that any other types of - // subsystems provide a real serial devices. For example, for devices - // such as ttyGSx, its driver provide an empty subsystem name, but it - // devices is a real physical serial devices. - // FIXME: How to get additional information about serial devices - // with this subsystems? + } else if (subsys == QStringLiteral("pnp")) { + // TODO: Obtain more information + } else if (subsys == QStringLiteral("platform")) { + continue; + } else if (subsys == QStringLiteral("pci")) { + // TODO: Obtain more information about the device + } else { + // FIXME: Obtain more information } - } else { // Devices without a parent - if (serialPortInfo.d_ptr->portName.startsWith(rfcommDeviceName)) { // Bluetooth device + } else { + if (serialPortInfo.d_ptr->portName.startsWith(rfcommDeviceName)) { bool ok; - // Check for an unsigned decimal integer at the end of the device name: "rfcomm0", "rfcomm15" - // devices with negative and invalid numbers in the name are rejected int portNumber = serialPortInfo.d_ptr->portName.mid(rfcommDeviceName.length()).toInt(&ok); - if (!ok || (portNumber < 0) || (portNumber > 255)) { - canAppendToList = false; - } + if (!ok || (portNumber < 0) || (portNumber > 255)) + continue; } else { - canAppendToList = false; + continue; } } - if (canAppendToList) - serialPortInfoList.append(serialPortInfo); + serialPortInfoList.append(serialPortInfo); ::udev_device_unref(dev); } @@ -326,11 +292,29 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() return serialPortInfoList; } +QList<QSerialPortInfo> QSerialPortInfo::availablePorts() +{ + QList<QSerialPortInfo> serialPortInfoList; + // TODO: Remove this condition once the udev runtime symbol resolution crash + // is fixed for Qt 4. +#if defined(LINK_LIBUDEV) || (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)) + serialPortInfoList = availablePortsByUdev(); #endif -#endif // Q_OS_MAC +#ifdef Q_OS_LINUX + if (serialPortInfoList.isEmpty()) + serialPortInfoList = availablePortsBySysfs(); + else + return serialPortInfoList; +#endif -// common part + if (serialPortInfoList.isEmpty()) + serialPortInfoList = availablePortsByFiltersOfDevices(); + + return serialPortInfoList; +} + +#endif QList<qint32> QSerialPortInfo::standardBaudRates() { |