void ReadVersionInfo(WindowsRadioHandle handle,
ref LmpVersion lmpV, ref int lmpSubv, ref HciVersion hciV, ref int hciRev, ref LmpFeatures lmpFeatures)
{
// Windows 7 IOCTL
var buf = new byte[300];
int bytesReturned;
var success = NativeMethods.DeviceIoControl(handle,
NativeMethods.MsftWin32BthIOCTL.IOCTL_BTH_GET_LOCAL_INFO,
IntPtr.Zero, 0,
buf, buf.Length, out bytesReturned, IntPtr.Zero);
if (!success)
{
int gle = Marshal.GetLastWin32Error();
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture,
"INFO: IOCTL_BTH_GET_LOCAL_INFO failure: {0} = 0x{0:X}.", gle));
}
else
{
const int OffsetOf_flags = 272;
const int OffsetOf_hciRevision = OffsetOf_flags + 4;
const int OffsetOf_hciVersion = OffsetOf_hciRevision + 2;
const int OffsetOf_radioInfo = OffsetOf_hciVersion + 1; //????? pad??
const int OffsetOf_lmpFeatures = OffsetOf_radioInfo;
const int OffsetOf_mfg = OffsetOf_radioInfo + 8;
const int OffsetOf_lmpSubversion = OffsetOf_mfg + 2;
const int OffsetOf_lmpVersion = OffsetOf_lmpSubversion + 2;
const int OffsetOf_END = OffsetOf_lmpVersion + 1;
const int ExpectedSize = 292;
Debug.Assert(OffsetOf_END == ExpectedSize,
"OffsetOf_END: " + OffsetOf_END + ", ExpectedSize: " + ExpectedSize);
hciRev = BitConverter.ToUInt16(buf, OffsetOf_hciRevision);
hciV = (HciVersion)buf[OffsetOf_hciVersion];
lmpSubv = BitConverter.ToUInt16(buf, OffsetOf_lmpSubversion);
lmpV = (LmpVersion)buf[OffsetOf_lmpVersion];
var dbg_mfg = BitConverter.ToUInt16(buf, OffsetOf_mfg);
Debug.Assert(lmpSubv == radio.lmpSubversion,
"_lmpSubv: " + lmpSubv + ", radio.lmpSubversion: " + radio.lmpSubversion);
Debug.Assert(dbg_mfg == unchecked ((ushort)radio.manufacturer),
"dbg_mfg: " + dbg_mfg + ", radio.manufacturer: " + radio.manufacturer);
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture,
"hciSubvers: {0}, hciVersion: {1}, lmpSubversion : {2}, lmpVersion: {3}",
hciRev, hciV, lmpSubv, lmpV));
var flags = (LOCAL_FLAGS)BitConverter.ToUInt32(buf, OffsetOf_flags);
lmpFeatures = (LmpFeatures)BitConverter.ToInt64(buf, OffsetOf_lmpFeatures);
#if DEBUG
var msgFl = "IOCTL_BTH_GET_LOCAL_INFO flags: '"
+ flags + "' 0x" + flags.ToString("X");
//Debug.WriteLine(msgFl);
//Console.WriteLine(msgFl);
//
var msgFe = "IOCTL_BTH_GET_LOCAL_INFO lmpFeatures: '"
+ lmpFeatures + "' 0x" + lmpFeatures.ToString("X");
Debug.WriteLine(msgFe);
//Console.WriteLine(msgFe);
LmpFeaturesUtils.FindUndefinedValues(lmpFeatures);
//LmpFeaturesUtils.FindUnsetValues(lmpFeatures);
#endif
}
}
internal static extern bool DeviceIoControl(
WindowsRadioHandle hDevice,
uint dwIoControlCode,
IntPtr InBuffer,
int nInBufferSize,
byte[] OutBuffer,
int nOutBufferSize,
out int pBytesReturned,
IntPtr lpOverlapped);
internal WindowsBluetoothRadio(WindowsRadioHandle handleW)
{
this._handle = handleW;
Debug.WriteLine("WindowsBluetoothRadio..ctor h=" + Handle.ToString("X"));
radio = new BLUETOOTH_RADIO_INFO();
radio.dwSize = 520;
System.Diagnostics.Debug.Assert(System.Runtime.InteropServices.Marshal.SizeOf(radio) == radio.dwSize, "BLUETOOTH_RADIO_INFO SizeOf == dwSize");
int hresult = NativeMethods.BluetoothGetRadioInfo(_handle, ref radio);
if (hresult != 0)
{
throw new System.ComponentModel.Win32Exception(hresult, "Error retrieving Radio information.");
}
ReadVersionInfo(_handle, ref _lmpV, ref _lmpSubv, ref _hciV, ref _hciRev, ref _lmpFeatures);
}
/*struct _BTH_LOCAL_RADIO_INFO
* {
* BTH_DEVICE_INFO localInfo;
* UInt32 flags;
* UInt16 hciRevision;
* Byte hciVersion;
* BTH_RADIO_INFO radioInfo;
* }
*
* struct BTH_RADIO_INFO
* {
* UInt64 lmpSupportedFeatures;
* UInt16 mfg;
* UInt16 lmpSubversion;
* Byte lmpVersion;
* }*/
#endregion
#region Primary Radio
internal static IBluetoothRadio GetPrimaryRadio()
{
//get a single radio
IntPtr handle = IntPtr.Zero;
IntPtr findhandle = IntPtr.Zero;
BLUETOOTH_FIND_RADIO_PARAMS bfrp;
bfrp.dwSize = 4;
System.Diagnostics.Debug.Assert(System.Runtime.InteropServices.Marshal.SizeOf(bfrp) == bfrp.dwSize, "BLUETOOTH_FIND_RADIO_PARAMS SizeOf == dwSize");
findhandle = NativeMethods.BluetoothFindFirstRadio(ref bfrp, out handle);
if (findhandle != IntPtr.Zero)
{
NativeMethods.BluetoothFindRadioClose(findhandle);
}
if (handle != IntPtr.Zero)
{
var hw = new WindowsRadioHandle(handle);
return(new WindowsBluetoothRadio(hw));
}
throw new PlatformNotSupportedException("No Radio.");
}
internal static extern bool BluetoothIsDiscoverable(WindowsRadioHandle hRadio);
internal static extern bool BluetoothIsConnectable(WindowsRadioHandle hRadio);
internal static extern int BluetoothGetRadioInfo(WindowsRadioHandle hRadio, ref BLUETOOTH_RADIO_INFO pRadioInfo);
internal static extern bool BluetoothEnableIncomingConnections(WindowsRadioHandle hRadio, bool fEnabled);
internal static extern bool BluetoothEnableDiscovery(WindowsRadioHandle hRadio, bool fEnabled);
