Frameworks > Bluetooth Framework

Catastrophic failure while Pairing

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servel333:
While attempting to pair, we are getting the following error:

Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))
ErrorCode   -2147418113
StackTrace   
   at WCLX.wclBluetoothDevicexClass.Pair(wclBluetoothRadiox Radio, String PIN)
   at wclnet.wclBluetoothDevice.Pair(wclBluetoothRadio Radio, String PIN)

During testing, we have been pairing and unpairing over and over.  We are not pairing with a PDA or phone.

Also sometimes, after getting the previous error, I am also getting the following error while attempting to pair:

ErrorCode   -2147422205
Message     "Bluetooth API is not available"
StackTrace
   at WCLX.wclBluetoothDevicexClass.Pair(wclBluetoothRadiox Radio, String PIN)
   at wclnet.wclBluetoothDevice.Pair(wclBluetoothRadio Radio, String PIN)

Language: Visual Basic 2005
Stack: Microsoft
Driver: Microsoft
   Version: 5.1.2600.2180
   C:\WINDOWS\system32\bthprops.cpl
   C:\WINDOWS\system32\DRIVERS\bthport.sys
   C:\WINDOWS\system32\DRIVERS\BTHUSB.SYS
   C:\WINDOWS\system32\fsquirt.exe
Dongle:  Abe
   USB Version: 1.1
   USB PID: 0x0400
   USB VID: 0x080A
   Bluetooth Version:1.2
   Bluetooth Class: 2
   Chipset: National Semiconductor

When I posted this question before, you asked for sample code.  I will discuss this with my coworker and see what we can share.  Hopefully the information above will help you anyway.

Mike Petrichenko:
Thank you for report the question.

How do you do pairing? What is the Radio object you passed to the Pair method? How do you get the Radio object? Do you call API.Load before call pair?

I need only code part wich actually do pairing. Nothing more

servel333:
We've been very busy over the past few days.  Sorry about posting this and then not getting back to you.  I should be able to give more details over the next few days and figure out if I think it's something my code is doing.

I will pay more attention to the Radio object that is passed into WCL functions and see if it's invalid in some way.

To answer some of the questions:
 - I do call API.Load() and make sure the API is loaded before calling any other methods.
 - I get the Radio object by calling EnumRadios() and then caching one of the radios in the list for future use during our pairing.

servel333:
I've modified the code to generate log files with details about the radio and also further examined the radio object being passed into the WCL classes and they seem fine to me.

------------------------------------------------------------
BluetoothDevice.IsPaired failed.
radio : BluetoothRadio: Name 'ROMEO', Address '(00:15:83:BF:8B:B9)', BluetoothStack 'Microsoft', Connectable 'True', Discoverable 'False', ;
Exception Message: Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))

Stack Trace:
   at WCLX.wclBluetoothDevicexClass.get_Paired(wclBluetoothRadiox Radio)
   at wclnet.wclBluetoothDevice.Paired(wclBluetoothRadio Radio)
   at AgaMatrix.BluetoothDevice.IsPaired(BluetoothRadio radio, Boolean& value)

If this helps at all, I was able to examine the WCLX.wclBluetoothRadioxClass object and found the following values about it:
      __DoFree   False   Boolean
      __Radio   105072940   Integer

This error seems to come up frequently and inconsistently.

I've also switched Bluetooth dongles since my last post:
   AluraTek  ABD2020
   USB Version 2.0
   VID 0x0A12
   PID 0x0001
   Bluetooth Version 2.0
   Class 2

My computer is
   Dell Optiplex 745

servel333:
Another note: I only seem to get this error when calling the Paired method.  I have been using it to determine if a device is paired with a specified radio.

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