Changeset 846 for trunk/tools/runonphone/serenum_unix.cpp

Timestamp:

May 5, 2011, 5:36:53 AM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• tools/runonphone/serenum_unix.cpp (modified) (2 diffs)

trunk/tools/runonphone/serenum_unix.cpp

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
@@ -47 +47 @@
 #include <QDir>
 
-QList<SerialPortId> enumerateSerialPorts()
+#include <usb.h>
+
+class InterfaceInfo
 {
+public:
+    InterfaceInfo(const QString &mf, const QString &pr, int mfid, int prid);
+    QString manufacturer;
+    QString product;
+    int manufacturerid;
+    int productid;
+};
+
+InterfaceInfo::InterfaceInfo(const QString &mf, const QString &pr, int mfid, int prid) :
+    manufacturer(mf),
+    product(pr),
+    manufacturerid(mfid),
+    productid(prid)
+{
+    if(mf.isEmpty())
+        manufacturer = QString("[%1]").arg(mfid, 4, 16, QChar('0'));
+    if(pr.isEmpty())
+        product = QString("[%1]").arg(prid, 4, 16, QChar('0'));
+}
+
+QList<SerialPortId> enumerateSerialPorts(int loglevel)
+{
+    QList<QString> eligibleInterfaces;
+    QList<InterfaceInfo> eligibleInterfacesInfo;
     QList<SerialPortId> list;
+
+    usb_init();
+    usb_find_busses();
+    usb_find_devices();
+
+    for (struct usb_bus *bus = usb_get_busses(); bus; bus = bus->next) {
+        for (struct usb_device *device = bus->devices; device; device = device->next) {
+            for (int n = 0; n < device->descriptor.bNumConfigurations && device->config; ++n) {
+                struct usb_config_descriptor &usbConfig =device->config[n];
+                QList<int> usableInterfaces;
+                for (int m = 0; m < usbConfig.bNumInterfaces; ++m) {
+                    for (int o = 0; o < usbConfig.interface[m].num_altsetting; ++o) {
+                        struct usb_interface_descriptor &descriptor = usbConfig.interface[m].altsetting[o];
+                        if (descriptor.bInterfaceClass != 2 // "Communication"
+                                || descriptor.bInterfaceSubClass != 2 // Abstract (modem)
+                                || descriptor.bInterfaceProtocol != 255) // Vendor Specific
+                            continue;
+
+                        unsigned char *buf = descriptor.extra;
+                        unsigned int size = descriptor.extralen;
+                        while (size >= 2 * sizeof(u_int8_t)) {
+                            // for Communication devices there is a slave interface for the actual
+                            // data transmission.
+                            // the extra info stores that as a index for the interface
+                            if (buf[0] >= 5 && buf[1] == 36 && buf[2] == 6) { // CDC Union
+                                for (int i = 4; i < buf[0]; i++)
+                                    usableInterfaces.append((int) buf[i]);
+                            }
+                            size -= buf[0];
+                            buf += buf[0];
+                        }
+                    }
+                }
+                
+                if (usableInterfaces.isEmpty())
+                    continue;
+                
+                QString manufacturerString;
+                QString productString;
+                
+                usb_dev_handle *devh = usb_open(device);
+                if (devh) {
+                    QByteArray buf;
+                    buf.resize(256);
+                    int err = usb_get_string_simple(devh, device->descriptor.iManufacturer, buf.data(), buf.size());
+                    if (err < 0) {
+                        if (loglevel > 1)
+                            qDebug() << "      can't read manufacturer name, error:" << err;
+                    } else {
+                        manufacturerString = QString::fromAscii(buf);
+                        if (loglevel > 1)
+                            qDebug() << "      manufacturer:" << manufacturerString;
+                    }
+
+                    buf.resize(256);
+                    err = usb_get_string_simple(devh, device->descriptor.iProduct, buf.data(), buf.size());
+                    if (err < 0) {
+                        if (loglevel > 1)
+                            qDebug() << "      can't read product name, error:" << err;
+                    } else {
+                        productString = QString::fromAscii(buf);
+                        if (loglevel > 1)
+                            qDebug() << "      product:" << productString;
+                    }
+                    usb_close(devh);
+                } else if (loglevel > 0) {
+                    qDebug() << "      can't open usb device";
+                }
+
+                // second loop to find the actual data interface.
+                foreach (int i, usableInterfaces) {
+                    for (int m = 0; m < usbConfig.bNumInterfaces; ++m) {
+                        for (int o = 0; o < usbConfig.interface[m].num_altsetting; ++o) {
+                            struct usb_interface_descriptor &descriptor = usbConfig.interface[m].altsetting[o];
+                            if (descriptor.bInterfaceNumber != i)
+                                continue;
+                            if (descriptor.bInterfaceClass == 10) { // "CDC Data"
+                                if (loglevel > 1) {
+                                    qDebug() << "      found the data port"
+                                             << "bus:" << bus->dirname
+                                             << "device" << device->filename
+                                             << "interface" << descriptor.bInterfaceNumber;
+                                }
+#ifdef Q_OS_MAC
+                                eligibleInterfaces << QString("^cu\\.usbmodem.*%1$")
+                                                      .arg(QString("%1").arg(descriptor.bInterfaceNumber, 1, 16).toUpper()); 
+#else
+                                // ### manufacturer and product strings are only readable as root :(
+                                if (!manufacturerString.isEmpty() && !productString.isEmpty()) {
+                                    eligibleInterfaces << QString("usb-%1_%2-if%3")
+                                                          .arg(manufacturerString.replace(QChar(' '), QChar('_')))
+                                                          .arg(productString.replace(QChar(' '), QChar('_')))
+                                                          .arg(i, 2, 16, QChar('0'));
+                                } else {
+                                    eligibleInterfaces << QString("if%1").arg(i, 2, 16, QChar('0')); // fix!
+                                }
+#endif
+                                eligibleInterfacesInfo << InterfaceInfo(manufacturerString, productString, device->descriptor.idVendor, device->descriptor.idProduct);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    
+    if (loglevel > 1)
+        qDebug() << "      searching for interfaces:" << eligibleInterfaces;
+
+#ifdef Q_OS_MAC
+    QDir dir("/dev/");
+    bool allowAny = false;
+#else
     QDir dir("/dev/serial/by-id/");
-    QFileInfoList ports(dir.entryInfoList());
-    foreach (const QFileInfo &info, ports) {
+    bool allowAny = eligibleInterfaces.isEmpty();
+#endif
+    foreach (const QFileInfo &info, dir.entryInfoList(QDir::System)) {
         if (!info.isDir()) {
+            bool usable = allowAny;
+            QString friendlyName = info.fileName();
+            foreach (const QString &iface, eligibleInterfaces) {
+                if (info.fileName().contains(QRegExp(iface))) {
+                    if (loglevel > 1)
+                        qDebug() << "      found device file:" << info.fileName() << endl;
+#ifdef Q_OS_MAC
+                    friendlyName = eligibleInterfacesInfo[eligibleInterfaces.indexOf(iface)].product;
+#endif
+                    usable = true;
+                    break;
+                }
+            }
+            if (!usable)
+                continue;
+
             SerialPortId id;
-            id.friendlyName = info.fileName();
+            id.friendlyName = friendlyName;
             id.portName = info.canonicalFilePath();
             list << id;
         }
     }
+
+    if (list.isEmpty() && !eligibleInterfacesInfo.isEmpty() && loglevel > 0) {
+        qDebug() << "Possible USB devices found, but without serial drivers:";
+        foreach(const InterfaceInfo &iface, eligibleInterfacesInfo) {
+            qDebug() << "    Manufacturer:"
+                     << iface.manufacturer
+                     << "Product:"
+                     << iface.product
+#ifdef Q_OS_LINUX
+                     << endl
+                     << "    Load generic driver using:"
+                     << QString("sudo modprobe usbserial vendor=0x%1 product=0x%2")
+                        .arg(iface.manufacturerid, 4, 16, QChar('0'))
+                        .arg(iface.productid, 4, 16, QChar('0'));
+#else
+                     ;
+#endif
+        }
+    }
     return list;
 }