Exemplo n.º 1
0
        public USBDeviceList(byte DeviceMask, App_PnP_Callback fnCallBack)
        {
            Items             = new ArrayList();
            hDevNotifications = new ArrayList();
            USBDriverGuids    = new ArrayList();

            EventCallBack = new App_PnP_Callback(PnP_Event_Handler);

            MsgWin.AppCallback = EventCallBack;
            AppCallBack        = fnCallBack;

            // Get the HID GUID
            PInvoke.HidD_GetHidGuid(ref HidGuid);

            // Create list of driver GUIDs for this instance
            FillDriverGuids(DeviceMask);

            USBDevice tmpDev, tmp;
            int       devs = 0;

            foreach (Guid guid in USBDriverGuids)
            {
                // tmpDev is just used for the DeviceCount functionality
                if (guid.Equals(CyConst.StorGuid))
                {
                    tmpDev = new CyUSBStorDevice(guid);
                }
                else if (guid.Equals(HidGuid))
                {
                    tmpDev = new CyHidDevice(HidGuid);
                }
                else
                {
                    tmpDev = new CyFX2Device(guid);
                }

                // DeviceCount is IO intensive. Don't use it as for loop limit
                devs = tmpDev.DeviceCount;

                for (int d = 0; d < devs; d++)
                {
                    // Create the new USBDevice objects of the correct type, based on guid
                    if (guid.Equals(CyConst.StorGuid))
                    {
                        tmp = new CyUSBStorDevice(guid);
                    }
                    else if (guid.Equals(HidGuid))
                    {
                        tmp = new CyHidDevice(HidGuid);
                    }
                    else
                    {
                        tmp = new CyFX2Device(guid);
                        if (tmp.Open((byte)d))
                        {// open handle to check device type
                            CyUSBDevice t = tmp as CyUSBDevice;
                            if (!t.CheckDeviceTypeFX3FX2())
                            {//FX3
                                tmp.Close();
                                tmp = new CyFX3Device(guid);
                            }
                            else
                            {
                                tmp.Close();
                            }
                        }
                    }

                    if (tmp.Open((byte)d))
                    {
                        Items.Add(tmp); // This creates new reference to tmp in Items
                        tmp.RegisterForPnPEvents(MsgWin.Handle);
                    }
                }

                if (guid.Equals(CyConst.StorGuid))   // We're not sure which drivers were identified, so setup PnP with both
                {
                    RegisterForPnpEvents(MsgWin.Handle, CyConst.DiskGuid);
                    RegisterForPnpEvents(MsgWin.Handle, CyConst.CdGuid);
                }
                else
                {
                    RegisterForPnpEvents(MsgWin.Handle, guid);
                }
            } // foreach guid
        }
Exemplo n.º 2
0
        public USBDevice Add()
        {
            if (_alreadyDisposed)
            {
                throw new ObjectDisposedException("");
            }

            USBDevice tmp, tmpDev;

            foreach (Guid guid in USBDriverGuids)
            {
                // tmpDev is just used for the DeviceCount functionality
                if (guid.Equals(CyConst.StorGuid))
                {
                    tmpDev = new CyUSBStorDevice(guid);
                }
                else if (guid.Equals(HidGuid))
                {
                    tmpDev = new CyHidDevice(guid);
                }
                else
                {
                    tmpDev = new CyFX2Device(guid);
                }

                // The number of devices now connected to this GUID
                int connectedDevs = tmpDev.DeviceCount;
                tmpDev.Dispose();

                // Find out how many items have this guid
                int listedDevs = 0;
                foreach (USBDevice dev in Items)
                {
                    if (guid.Equals(CyConst.StorGuid) && (dev._drvGuid.Equals(CyConst.CdGuid) || dev._drvGuid.Equals(CyConst.DiskGuid)))
                    {
                        listedDevs++;
                    }
                    else if (dev._drvGuid.Equals(guid))
                    {
                        listedDevs++;
                    }
                }

                // If greater, add
                if (connectedDevs > listedDevs)
                {
                    for (byte d = 0; d < connectedDevs; d++)
                    {
                        // Create the new USBDevice object of the correct type, based on guid
                        if (guid.Equals(CyConst.StorGuid))
                        {
                            tmp = new CyUSBStorDevice(guid);
                        }
                        else if (guid.Equals(HidGuid))
                        {
                            tmp = new CyHidDevice(guid);
                        }
                        else
                        {
                            tmp = new CyFX2Device(guid);
                            if (tmp.Open((byte)d))
                            {// open handle to check device type
                                CyUSBDevice t = tmp as CyUSBDevice;
                                if (!t.CheckDeviceTypeFX3FX2())
                                {//FX3
                                    tmp.Close();
                                    tmp = new CyFX3Device(guid);
                                }
                                else
                                {
                                    tmp.Close();
                                }
                            }
                        }


                        // If this device not already in the list
                        if (tmp.Open(d) && (DeviceIndex(tmp) == 0xFF))
                        {
                            Items.Add(tmp);
                            tmp.RegisterForPnPEvents(MsgWin.Handle);
                            return(tmp);
                        }
                        else
                        {
                            tmp.Dispose();
                        }
                    }
                }
            }

            return(null);
        }