protected override object[] Refresh()
{
var paths = new List <string> ();
Guid hidGuid;
NativeMethods.HidD_GetHidGuid(out hidGuid);
NativeMethods.HDEVINFO devInfo = NativeMethods.SetupDiGetClassDevs(hidGuid, null, IntPtr.Zero,
/*NativeMethods.DIGCF.AllClasses |*/ NativeMethods.DIGCF.DeviceInterface | NativeMethods.DIGCF.Present);
if (devInfo.IsValid)
{
try {
NativeMethods.SP_DEVICE_INTERFACE_DATA did = new NativeMethods.SP_DEVICE_INTERFACE_DATA();
did.Size = Marshal.SizeOf(did);
for (int i = 0; NativeMethods.SetupDiEnumDeviceInterfaces(devInfo, IntPtr.Zero, hidGuid, i, ref did); i++)
{
NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA didetail = new NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA();
didetail.Size = IntPtr.Size == 8 ? 8 : (4 + Marshal.SystemDefaultCharSize);
if (NativeMethods.SetupDiGetDeviceInterfaceDetail(devInfo, ref did, ref didetail,
Marshal.SizeOf(didetail) - (int)Marshal.OffsetOf(didetail.GetType(), "DevicePath"),
IntPtr.Zero, IntPtr.Zero))
{
paths.Add(didetail.DevicePath);
}
}
} finally {
NativeMethods.SetupDiDestroyDeviceInfoList(devInfo);
}
}
return(paths.Cast <object> ().ToArray());
}
void GetDevicePaths(uint devInst, Guid guid, List <string> devicePaths)
{
string deviceID;
if (0 != NativeMethods.CM_Get_Device_ID(devInst, out deviceID))
{
return;
}
NativeMethods.HDEVINFO devInfo = NativeMethods.SetupDiGetClassDevs(
guid, deviceID, IntPtr.Zero,
NativeMethods.DIGCF.DeviceInterface | NativeMethods.DIGCF.Present
);
if (devInfo.IsValid)
{
try
{
NativeMethods.SP_DEVINFO_DATA dvi = new NativeMethods.SP_DEVINFO_DATA();
dvi.Size = Marshal.SizeOf(dvi);
for (int j = 0; NativeMethods.SetupDiEnumDeviceInfo(devInfo, j, ref dvi); j++)
{
NativeMethods.SP_DEVICE_INTERFACE_DATA did = new NativeMethods.SP_DEVICE_INTERFACE_DATA();
did.Size = Marshal.SizeOf(did);
for (int k = 0; NativeMethods.SetupDiEnumDeviceInterfaces(devInfo, ref dvi, guid, k, ref did); k++)
{
NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA didetail;
if (NativeMethods.SetupDiGetDeviceInterfaceDetail(devInfo, ref did, out didetail))
{
devicePaths.Add(didetail.DevicePath);
}
}
}
}
finally
{
NativeMethods.SetupDiDestroyDeviceInfoList(devInfo);
}
}
}
static void EnumerateDevices(Guid guid, EnumerateDevicesCallback callback)
{
NativeMethods.HDEVINFO devInfo = NativeMethods.SetupDiGetClassDevs(
guid, null, IntPtr.Zero,
NativeMethods.DIGCF.DeviceInterface | NativeMethods.DIGCF.Present
);
if (devInfo.IsValid)
{
try
{
NativeMethods.SP_DEVINFO_DATA dvi = new NativeMethods.SP_DEVINFO_DATA();
dvi.Size = Marshal.SizeOf(dvi);
for (int j = 0; NativeMethods.SetupDiEnumDeviceInfo(devInfo, j, ref dvi); j++)
{
string deviceID;
if (0 != NativeMethods.CM_Get_Device_ID(dvi.DevInst, out deviceID))
{
continue;
}
NativeMethods.SP_DEVICE_INTERFACE_DATA did = new NativeMethods.SP_DEVICE_INTERFACE_DATA();
did.Size = Marshal.SizeOf(did);
for (int i = 0; NativeMethods.SetupDiEnumDeviceInterfaces(devInfo, ref dvi, guid, i, ref did); i++)
{
NativeMethods.SP_DEVICE_INTERFACE_DETAIL_DATA didetail;
if (NativeMethods.SetupDiGetDeviceInterfaceDetail(devInfo, ref did, out didetail))
{
callback(devInfo, dvi, did, deviceID, didetail);
}
}
}
}
finally
{
NativeMethods.SetupDiDestroyDeviceInfoList(devInfo);
}
}
}
protected override string GetStreamPath(OpenConfiguration openConfig)
{
var service = GetService(openConfig);
if (service == null)
{
throw DeviceException.CreateIOException(this, "BLE service not specified.");
}
if (service.Device != this)
{
throw DeviceException.CreateIOException(this, "BLE service is on a different device.");
}
uint devInst;
if (0 == NativeMethods.CM_Locate_DevNode(out devInst, _id))
{
if (0 == NativeMethods.CM_Get_Child(out devInst, devInst))
{
do
{
string serviceDeviceID;
if (0 == NativeMethods.CM_Get_Device_ID(devInst, out serviceDeviceID))
{
NativeMethods.HDEVINFO devInfo = NativeMethods.SetupDiGetClassDevs(
service.Uuid, serviceDeviceID, IntPtr.Zero,
NativeMethods.DIGCF.DeviceInterface | NativeMethods.DIGCF.Present
);
if (devInfo.IsValid)
{
try
{
NativeMethods.SP_DEVINFO_DATA dvi = new NativeMethods.SP_DEVINFO_DATA();
dvi.Size = Marshal.SizeOf(dvi);
for (int j = 0; NativeMethods.SetupDiEnumDeviceInfo(devInfo, j, ref dvi); j++)
{
NativeMethods.SP_DEVICE_INTERFACE_DATA did = new NativeMethods.SP_DEVICE_INTERFACE_DATA();
did.Size = Marshal.SizeOf(did);
for (int k = 0; NativeMethods.SetupDiEnumDeviceInterfaces(devInfo, ref dvi, service.Uuid, k, ref did); k++)
{
string devicePath;
if (NativeMethods.SetupDiGetDeviceInterfaceDevicePath(devInfo, ref did, out devicePath))
{
// FIXME: Take the attribute handle into account as well.
// Right now, if there are multiple services with the same GUID, we do not distinguish between them.
return(devicePath);
}
}
}
}
finally
{
NativeMethods.SetupDiDestroyDeviceInfoList(devInfo);
}
}
}
}while (0 == NativeMethods.CM_Get_Sibling(out devInst, devInst));
}
}
throw DeviceException.CreateIOException(this, string.Format("BLE service {0} not found.", service.Uuid));
}
