OP-334: Make the USBMonitor a singleton and export its symbols in the RawHID plugin, so that other plugins can use its instance(). Also implement a way

to ask for devices in bootloader or running mode.



git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@3012 ebee16cc-31ac-478f-84a7-5cbb03baadba

ground/openpilotgcs/src/plugins/rawhid/rawhidplugin.cpp

@@ -85,12 +85,11 @@ QStringList RawHIDConnection::availableDevices()
 {
     QStringList devices;
 
-    QList<USBPortInfo> portsList = m_usbMonitor.availableDevices(USB_VID, -1, -1);
+    QList<USBPortInfo> portsList = m_usbMonitor.availableDevices(USB_VID, -1, -1,USBMonitor::Running);
     // We currently list devices by their serial number
     foreach(USBPortInfo prt, portsList) {
         devices.append(prt.serialNumber);
     }
-
     return devices;
 }
 

ground/openpilotgcs/src/plugins/rawhid/usbmonitor.h

@@ -28,7 +28,7 @@
 #ifndef USBMONITOR_H
 #define USBMONITOR_H
 
-//#include "rawhid_global.h"
+#include "rawhid_global.h"
 
 #include <QThread>
 
@@ -100,16 +100,23 @@ protected:
 /**
 *   A monitoring thread which will wait for device events.
 */
-class USBMonitor : public QThread
+
+class RAWHID_EXPORT USBMonitor : public QThread
 {
     Q_OBJECT
 
 public:
+    enum RunState {
+        Bootloader = 0x01,
+        Running = 0x02
+    };
+
+    static USBMonitor *instance();
+
     USBMonitor(QObject *parent = 0);
-//    USBMonitor(int vid, int pid);
     ~USBMonitor();
     QList<USBPortInfo> availableDevices();
-    QList<USBPortInfo> availableDevices(int vid, int pid, int bcdDevice);
+    QList<USBPortInfo> availableDevices(int vid, int pid, int boardModel, int runState);
     #if defined (Q_OS_WIN32)
     LRESULT onDeviceChangeWin( WPARAM wParam, LPARAM lParam );
     #endif
@@ -140,6 +147,9 @@ private slots:
 
 private:
 
+    Q_DISABLE_COPY(USBMonitor)
+    static USBMonitor *m_instance;
+
     // Depending on the OS, we'll need different things:
 #if defined( Q_OS_MAC)
 

ground/openpilotgcs/src/plugins/rawhid/usbmonitor_linux.cpp

@@ -59,11 +59,21 @@ void USBMonitor::deviceEventReceived() {
 
 }
 
+
+USBMonitor* USBMonitor::instance()
+{
+    return m_instance;
+}
+
+USBMonitor* USBMonitor::m_instance = 0;
+
 /**
   Initialize the udev monitor here
   */
 USBMonitor::USBMonitor(QObject *parent): QThread(parent) {
 
+    m_instance = this;
+
     this->context = udev_new();
 
     this->monitor = udev_monitor_new_from_netlink(this->context, "udev");
@@ -120,14 +130,17 @@ QList<USBPortInfo> USBMonitor::availableDevices()
 
 /**
   Be a bit more picky and ask only for a specific type of device:
+     On OpenPilot, the bcdDeviceLSB indicates the run state: bootloader or running.
+     bcdDeviceMSB indicates the board model.
   */
-QList<USBPortInfo> USBMonitor::availableDevices(int vid, int pid, int bcdDevice)
+QList<USBPortInfo> USBMonitor::availableDevices(int vid, int pid, int bcdDeviceMSB, int bcdDeviceLSB)
 {
     QList<USBPortInfo> allPorts = availableDevices();
     QList<USBPortInfo> thePortsWeWant;
 
     foreach (USBPortInfo port, allPorts) {
-        if((port.vendorID==vid || vid==-1) && (port.productID==pid || pid==-1) && (port.bcdDevice==bcdDevice || bcdDevice==-1))
+        if((port.vendorID==vid || vid==-1) && (port.productID==pid || pid==-1) && ((port.bcdDevice>>8)==bcdDeviceMSB || bcdDeviceMSB==-1) &&
+                ( (port.bcdDevice&0x00ff) ==bcdDeviceLSB || bcdDeviceLSB==-1))
             thePortsWeWant.append(port);
     }
     return thePortsWeWant;

ground/openpilotgcs/src/plugins/rawhid/usbmonitor_mac.cpp

@@ -36,6 +36,15 @@ void USBMonitor::deviceEventReceived() {
     qDebug() << "Device event";
 }
 
+USBMonitor* USBMonitor::instance()
+{
+    return m_instance;
+}
+
+USBMonitor* USBMonitor::m_instance = 0;
+
+
+
 /**
   Initialize the USB monitor here
   */
@@ -64,14 +73,17 @@ QList<USBPortInfo> USBMonitor::availableDevices()
 
 /**
   Be a bit more picky and ask only for a specific type of device:
+     On OpenPilot, the bcdDeviceLSB indicates the run state: bootloader or running.
+     bcdDeviceMSB indicates the board model.
   */
-QList<USBPortInfo> USBMonitor::availableDevices(int vid, int pid, int bcdDevice)
+QList<USBPortInfo> USBMonitor::availableDevices(int vid, int pid, int bcdDeviceMSB, int bcdDeviceLSB)
 {
     QList<USBPortInfo> allPorts = availableDevices();
     QList<USBPortInfo> thePortsWeWant;
 
     foreach (USBPortInfo port, allPorts) {
-        if((port.vendorID==vid || vid==-1) && (port.productID==pid || pid==-1) && (port.bcdDevice==bcdDevice || bcdDevice==-1))
+        if((port.vendorID==vid || vid==-1) && (port.productID==pid || pid==-1) && ((port.bcdDevice>>8)==bcdDeviceMSB || bcdDeviceMSB==-1) &&
+                ( (port.bcdDevice&0x00ff) ==bcdDeviceLSB || bcdDeviceLSB==-1))
             thePortsWeWant.append(port);
     }
     return thePortsWeWant;

ground/openpilotgcs/src/plugins/rawhid/usbmonitor_win.cpp

@@ -41,6 +41,14 @@ void USBMonitor::deviceEventReceived() {
 
 }
 
+USBMonitor* USBMonitor::instance()
+{
+    return m_instance;
+}
+
+USBMonitor* USBMonitor::m_instance = 0;
+
+
 
 USBMonitor::USBMonitor(QObject *parent): QThread(parent) {
     HidD_GetHidGuid(&guid_hid);
@@ -63,14 +71,17 @@ USBMonitor::~USBMonitor()
 
 /**
   Be a bit more picky and ask only for a specific type of device:
+     On OpenPilot, the bcdDeviceLSB indicates the run state: bootloader or running.
+     bcdDeviceMSB indicates the board model.
   */
-QList<USBPortInfo> USBMonitor::availableDevices(int vid, int pid, int bcdDevice)
+QList<USBPortInfo> USBMonitor::availableDevices(int vid, int pid, int bcdDeviceMSB, int bcdDeviceLSB)
 {
     QList<USBPortInfo> allPorts = availableDevices();
     QList<USBPortInfo> thePortsWeWant;
 
     foreach (USBPortInfo port, allPorts) {
-        if((port.vendorID==vid || vid==-1) && (port.productID==pid || pid==-1) && (port.bcdDevice==bcdDevice || bcdDevice==-1))
+        if((port.vendorID==vid || vid==-1) && (port.productID==pid || pid==-1) && ((port.bcdDevice>>8)==bcdDeviceMSB || bcdDeviceMSB==-1) &&
+                ( (port.bcdDevice&0x00ff) ==bcdDeviceLSB || bcdDeviceLSB==-1))
             thePortsWeWant.append(port);
     }
     return thePortsWeWant;