internal USBDevice(Guid g)
{
_drvGuid = g;
// Find-out the HID GUID
PInvoke.HidD_GetHidGuid(ref _hidGuid);
}
bool RegisterForPnpEvents(IntPtr h)
{
PInvoke.HidD_GetHidGuid(ref HidGuid);
DEV_BROADCAST_DEVICEINTERFACE dFilter = new DEV_BROADCAST_DEVICEINTERFACE();
dFilter.dbcc_size = Marshal.SizeOf(dFilter);
dFilter.dbcc_devicetype = gc.DBT_DEVTYP_DEVICEINTERFACE;
dFilter.dbcc_classguid = HidGuid;
hDevNotification = PInvoke.RegisterDeviceNotification(h, dFilter, gc.DEVICE_NOTIFY_WINDOW_HANDLE);
if (hDevNotification == IntPtr.Zero)
{
return(false);
}
return(true);
}
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
}
