Bluetooth

Obtaining PhoneBook from mobile phone

Ziklo6 — Fri, 13 Jan 2012 15:21:25 GMT

Hi everyone,

I'm really new to bluetooth technology (programming) and I'm getting too lost in creating my software. What I'm trying to do is create an application that is able to connect to a Windows Phone 7 and is able to get the contact list from it (no matter what information, with name and telephone number would be enough). Well, this is the first step of the project, I supose more functionality will be added in the future.

I've been able to create an application that discovers connected Bluetooth devices, but the problem comes when I try to connect to the phone with PhoneBook profile. I always get errors int this point. I've noticed that installedServices doesn't return anything.

I an working with a Windows 7 machine and programming in WPF with c#.

If you could please give me some advice about the architecture of the app and how to reach my goal I would be really happy.

Thanks for the time

Time it take to detect a connection loss

ramesh.shivakumar — Fri, 13 Jan 2012 06:40:44 GMT

Hi Alan,

if the device is switched off , but still application shows ISCONNECTED =True after some time it will shows

ISCONNECTED =false.i checked in form i dint got detailed info.

Please let me how to configure to reduse the time to detect the connection loss.

Regards

Ramesh.

Proper paring of mobile device to pc before transferring file

jose_ajith — Thu, 10 Nov 2011 05:39:59 GMT

This bluetooth server just accepts the incoming objects from mobile device. I'm looking for proper authorization of the incoming connection before any transfer occurs................. /*obex listener*/ //ObexListener lsnr = new ObexListener(ObexTransport.Bluetooth); //lsnr.Start(); //ObexListenerContext ctx = lsnr.GetContext(); //ObexListenerRequest req = ctx.Request; //string[ pathSplits = req.RawUrl.Split('/'); //string filename = pathSplits[pathSplits.Length - 1]; //Console.WriteLine(req.RemoteEndPoint + " is ready to accept the " + filename); //req.WriteFile(filename); //Console.WriteLine(filename + "Sent successfully"); //lsnr.Close(); ................ Can anyone suggest something how to include the security features to the server??

Disconnect when using Headset-Profile

Björn Ranft — Thu, 12 Jan 2012 02:20:22 GMT

Hi,

thanks for this great library and especially for the MS Stack Support.

I tried to turn on the Headset Profile with my Nokia n7500 and N78 mobile phone using default MS Stack.

Like this way:

InTheHand.Net.Bluetooth.BluetoothRadio radio = InTheHand.Net.Bluetooth.BluetoothRadio.PrimaryRadio;
InTheHand.Net.Sockets.BluetoothClient client = new BluetoothClient();
BluetoothDeviceInfo[ list = client.DiscoverDevices(10,true,true,true);
    for (int i = 0; i <= list.Length; i++)
    {
        //MessageBox.Show(list.DeviceName.ToString());
        
        if(some_adress == list.DeviceAdress.ToString())
        {
          endpoint_dev = new BluetoothEndPoint(list.DeviceAddress, Guid.NewGuid());
          endpoint_dev.Service = BluetoothService.Headset;
          client.SetPin("0110");
          client.Connect(endpoint_dev); 
        }

         break;
    }

The radio connects successfully to my mobile phone with headset profile.

When accepting a call hsp disconnects with my two mobiles.

Thanks for help and advantages.

Björn

Headset service and mult. SDK usage (c#)

william88 — Wed, 11 Jan 2012 18:11:57 GMT

Hi I'm currently using the Bluetopia stack. I'm using Motorola EMDK 2.5 c# which has been working fine but has no headset support. Is it possible to connect to a serial port using the EMDK and then set up a headset client afterwards using 32feet? (Using MC55 device) Also, even after closing my application, I'm unable to access BTExplorer. Thanks William

failure to transfer 1st file

Shay Katzir — Wed, 11 Jan 2012 02:12:50 GMT

when i try to transfer a file from my samsung galaxy s2 into pc / c# code / win-7 / asus bt dongle, the phone & the bt get paired but the file transfer failes. BUT if they are already paired, then the file transfer succedd.

so the problem is actually failure in transmitting the 1st file after pairing. does any1 have a clue, what seems to be the problem?

btw, im using .Confirm= true, in order to accept pairing & .GetContext in order to listen to imported files.

thanks

Bluetooth connection

winy57 — Mon, 09 Jan 2012 21:31:15 GMT

Hi, I'm a new french user of 32Feet library !
I've problems with connecting my mobile with a bluetooth device which provides a serial port. I'm working on vb.net 2008 and windows mobile 6.1.
When making a connection with BTExplorer on my Motorola MC55, my software works fine. But my client don't want to use BTExplorer and hopes my program could make the connection automatically.

I've tried this :

<code>
Dim BTMac As String = "00:18:B2:01:83:85"

        Dim BTAddress As BluetoothAddress
        Dim BTClient As New BluetoothClient
        Dim BTEndPoint As BluetoothEndPoint

        BTAddress = BluetoothAddress.Parse(BTMac)
        BTEndPoint = New BluetoothEndPoint(BTAddress, BluetoothService.SerialPort)
        Try
            BluetoothSecurity.PairRequest(BTAddress, "0000")
            Application.DoEvents()
            BTClient = New BluetoothClient
            BTClient.Connect(BTEndPoint)
            Return True
        Catch e As Exception
            Return False
        End Try
</code>

My remote device is added, but the serial port is not connected. I've seen the BluetoothSerialPort.CreateClient method, but I don't know if I have to use it.

Can anyone help me??

Thanks

Mickael

folder listing

Shay Katzir — Mon, 09 Jan 2012 10:12:59 GMT

is there any c# example of using brecham classes (or any other class that can do it) to list directory files on remote bluetooth devices?

can it be achieved without pairing first?

Windows 7 takes control

Shay Katzir — Fri, 06 Jan 2012 09:25:41 GMT

...

discovery while listening

Shay Katzir — Mon, 09 Jan 2012 10:01:45 GMT

when i try to .GetContext of ObexListenerContext and at the same time (in a different thread) to discover bluetooth devices, the .GetContext fail to recognize the incoming obex.

is there a solution to this problem?

recieve files without pairing

Shay Katzir — Mon, 09 Jan 2012 09:56:15 GMT

im trying to program a windows-7, using c# / 32feet.net, to recieve files from bluetooth devices without pairing. how can i accomplish that?

no luck with discovery...

edsut — Wed, 04 Jan 2012 14:58:45 GMT

Hi, I'm new to BlueTooth, and while I've searched the forum and haven't found an answer I start by apologizing if the answer is obvious. That being said, here's my problem: I'm trying to access bluetooth through C# (.NET 3.5), and as of now have not been able to even get discovery to work. I'm using 32feet.NET.2.3. I've tried both SelectBlueToothDeviceDialog() and BluetoothClient.DiscoverDevices. Both attempts come back empty. I then found code that suggested first checking BluetoothRadio.IsSupported, and sure enough, that comes back false. I am able to just right click on my bluetooth icon and have it successfully discover a few different devices, so I know my PC (IBM ThinkPad) is enabled for it. The driver is from Broadcom dated 4/20/2006, and I did run "Update Driver" prior to this.

Here are the two different code snippets (both of which I shamelessly grabbed from this forum and other google results)...

using InTheHand.Net.Sockets;

using InTheHand.Net.Bluetooth;

using InTheHand.Net;

using InTheHand.Windows.Forms;

private void bluetoothDiscover1()
{

try

{

if (!BluetoothRadio.IsSupported)
{

Trace("BluetoothRadio not supported");
return;

}

}

catch

{

Trace("BluetoothRadio not supported!");return;

}
if (BluetoothRadio.PrimaryRadio.Mode == RadioMode.PowerOff)
BluetoothRadio.PrimaryRadio.Mode = RadioMode.Connectable ;

Trace("BlueTooth radio name: " + BluetoothRadio.PrimaryRadio.Name.ToString());
Trace("BlueTooth radio mode: " + BluetoothRadio.PrimaryRadio.Mode.ToString());
BluetoothClient bc = new BluetoothClient();
BluetoothDeviceInfo[ devices = bc.DiscoverDevices();
Trace(tracelevel.NORMAL,"BTdevtot: " + devices.Length);
for (int i = 0; i < devices.Length; i++)
{

Trace(devices.DeviceName + ":" + devices.DeviceAddress);

}

}

Snippet #2:

private void bluetoothDiscover2()
{

SelectBluetoothDeviceDialog sbdd = new SelectBluetoothDeviceDialog();
sbdd.ShowUnknown = true;
sbdd.ShowRemembered = true;
sbdd.ShowAuthenticated = true;if (sbdd.ShowDialog() == DialogResult.OK)
{

}

}

For bluetoothDiscover1, BluetoothRadio.IsSupported is false.

For bluetoothDiscover2, the dialog box comes up, but there's never a discovery.

Any thoughts?

Thanks in advance.

Bluetooth 3.0 version with windows 7

ramesh.shivakumar — Thu, 22 Dec 2011 14:07:20 GMT

Hi Alan,

i am facing problem in connecting the device for 2nd time.

initially i when the device is newly conncted it will connectes (Paring & Connect).

for the 2nd time when i try to connect the same device it will through an error

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

i am using inhand 3.3 vr .net 3.5 windows 7

'System.MissingMethodException' occurred in InTheHand.Net.Personal.dll

ASus — Mon, 19 Dec 2011 19:54:11 GMT

Hello all,

I am writing the program for Windows CE 5.0 device and deployng C# code from Visual Studio 2008. When I am trying to debug code via usb connection I am getting the error even if then I can connect to other device from my Windows CE 5.0 device:

32feet.NET: 'InTheHand.Net.Personal, Version=3.2.609.0, Culture=neutral'

versions: '3.2.609.0' and '3.2.0609.0'.

Calling BSC_Initialize with:HCI_DriverInformation__HCI_COMMDriverInformation COMM, 32, 6, 57600, UART_RTS_CTS, 500, 115200, 'BTS'.

A first chance exception of type 'System.MissingMethodException' occurred in InTheHand.Net.Personal.dll

If I am building release version and just deploy it to the device everything is OK, no error during building and deployment....

Do you know what is the problem? I am using InTheHead.Net.Personal.dll version 3.2.609.0 from the 32feet.NET 2.3 download....

And more:

when we are trying to load our application (which is using InTheHead.Net.Personal.dll version 3.2.609.0) on device with some stripped down version of Windows CE 5.0 (no shell is running, loading just our application + some other windows dlls, that was working previously with the different bluetooth device not using InTheHand) it's getting the error:

MissingMethodException File or Assembly name

‘InTheHand.Net.Personal’ Version=3.2.609.0, culture=neutral, publicKeyToken=EA38CAA273134499’,

or one of its dependencies was not found

So it seems like InTheHand.Net.Personal.dll is using some windows dlls we are not aware of - could somebody tell us what dependencies of this library is?

I found out that I have exception when trying to use BSC_Initialize() from SS1BTPS.dll.

I don't have this dll in my Windows CE 5.0 - so where can I find it?

Thanks a lot the the help.

MC70 issues

MikeGH — Thu, 15 Dec 2011 11:08:59 GMT

Has anyone successfully used InTheHand.B* to connect to a SPP using the Motorola/Symbol MC70.... From what I'm seeing, it correctly identifies the StoneStreetOne stack, I get it setting the API version to PreSsp... [it throws a SocketException "An operation was attemped on something this is not a socket" - in ASyncResultNoResult.EndInvoke] Mike

how to receive multi file from mobile with bluetooth inTheHand

rshnm — Thu, 22 Dec 2011 18:54:51 GMT

Hello

I am developer of an application that use inthehand for connecting with mobile and send file from mobile to computer via bluetooth.

I succeed to send one file from mobile to my pc and save it to Hard disk by the below code:

public windowBlueToothReciver(params object[ parameters)

{

InitializeComponent();

bluetoothListener = new ObexListener(ObexTransport.Bluetooth);

bluetoothListener.Start();

blutoothThread = new Thread(DealWithRequest);

blutoothThread.Start();

}

public void DealWithRequest()

{

while (bluetoothListener.IsListening)

{

try

{

ObexListenerContext olc = bluetoothListener.GetContext();

ObexListenerRequest olr = olc.Request;

string filePath = Uri.UnescapeDataString(olr.RawUrl.TrimStart(new char[ { '/' }));

olr.WriteFile(filePath);

}

catch (Exception ex)

{

break;

}

Now, some mobile users may select multi file and send them all together with bluetooth to my pc.

In this case the above code has error and not able to save all of files transfered to my pc.

Please help me to receive all of multi file that transfered by bluetooth.

Thank you all.

Is it possible to encrypt/decrypt for ObexListenerRequest and ObexWebRequest ?

bigb — Sat, 03 Dec 2011 13:13:54 GMT

Hi,

Is it possible to implement encrypt/decrypt to OBEX protocol over ObexListenerRequest and ObexWebRequest ?

Please show me some code.

BigB

Bluetooth Environment

preinold — Mon, 19 Dec 2011 11:26:59 GMT

on what place are the devices from the 'Bluetooth Environment' stored?

Widcomm - enable/disable services

matejdro — Sun, 11 Dec 2011 12:45:48 GMT

Hello!

I'm trying to make an application that will pair with wiimote. It works great on windows stack, but it will not work on WIDCOMM since SetServiceState and InstalledServices are not supported.

Is there any workaround to enabling/disabling services via WIDCOMM?

widcomm - strange error

MikeGH — Fri, 16 Dec 2011 10:51:56 GMT

Hi, [Sorry for two queries within a day] On another device we've got (an HP iPAQ 2210 - widcomm version 1.4.1.58), it says: IBtIf using WidcommStBtIf. Dependency DLL '32feetWidcomm' status: LoadLibraryAccessible. Dependency DLL 'BtSdkCe30' status: ModuleLoaded. Exception creating factory 'InTheHand.Net.Bluetooth.Widcomm.WidcommBluetoothFactory, ex: System.Reflection.TargetInvocationException: Can't find PInvoke DLL '32feetWidcomm'. ---> System.PlatformNotSupportedException: Can't find PInvoke DLL '32feetWidcomm'. ---> System.MissingMethodException: Can't find PInvoke DLL '32feetWidcomm'. at InTheHand.Net.Bluetooth.Widcomm.WidcommBtIf.Create() It looks like it finds the 32feetWidcomm DLL correctly, I can see BtSDKCe30.dll in \windows. Is the BT stack on this device just TOO old to work with anything useful? Mike

Turn on/off bluetooth on windows xp/laptop c# code

rose — Thu, 17 Nov 2011 00:09:13 GMT

can i use inthehand reference to turn on or off the bluetooth in my laptop by using c# programming language? if can, can anyone tell me how to do it and show the sample for me to understand and learn from it. i'm new on it!!

Read data from bluetooth device

farahbenji — Wed, 07 Dec 2011 08:56:00 GMT

Hi, I would like to read data from a bluetooth device on VS 2008, however, I'm not sure on how to use the in the hand tools. I paired my bluetooth device with my laptop, and com9 is created under the standard serial over bluetooth link under my device manager. Please kindly assist me on how do i get started connecting to the ports so as to collect the data on the bluetooth device. Thanks.

BluetoothRadio.IsSupported displays console errors when BT dongle unplugged in WinCE 6.0

robhougen — Fri, 02 Dec 2011 01:08:19 GMT

I'm using Wince 6.0 R3 and added InTheHand.Net.Personal.dll version 3.2.609.0 to use with a removable USB Bluetooth dongle. I check for the radio with

if(! BluetoothRadio.IsSupported ) return false;

Everything works great except when the app is launched without the BT dongle plugged and a console screen comes up with the following.

System.MissingMethodException: Can't find PInvoke DLL 'SS1BTPS.dll'

System.PlatformNotSupportedException: Microsoft Bluetooth Stack not supported (radio)

System.PlatformNotSupportedException: Broadcom Bluetooth Stack not supported (radio)

How do I turn off these console output? Or is there another way to detect if the dongle is connected before using IsSupported?

Thanks

BluetoothWin32Authentication & its call back function

mravi — Wed, 07 Dec 2011 20:34:56 GMT

I am a beginner.

I am trying to use BluetoothWin32Authentication and the call back event handler on windows7 and vista for pairing.

I read in the 32feet.net website regarding it but could not produce code which could work.Could you please help me??

I could pair the devices with Bluetoothsecurity.PairRequest() function.But i would like to use the BluetoothWin32Authentication and its callback function.

Kindly do the needful.

Thanks,

Ravi M

Repeatedly accepting connections by one bluetooth device

zerone — Sun, 04 Dec 2011 10:49:42 GMT

Hi Alan this is my code. I have a server side listner with a While loop which is designed to accept connections repeatedly one after the other.

Client Side.

BluetoothClient client = new BluetoothClient();
            BluetoothDeviceInfo[ discoverableDevices = client.DiscoverDevices();
            Guid serviceGuid = BluetoothService.SerialPort;
            foreach (BluetoothDeviceInfo bdi in discoverableDevices)
            {
                BluetoothAddress address = bdi.DeviceAddress;
                BluetoothEndPoint ep = new BluetoothEndPoint(address, serviceGuid);
                client.Connect(ep);
                Stream myStream = client.GetStream();
                byte[ buffer = new byte[1024];
                string message = "I am connected";
                buffer = Encoding.ASCII.GetBytes(message);
                myStream.Write(buffer, 0, buffer.Length);
            }

Server Side

while (true)
            {
                BluetoothClient client = new BluetoothClient();
                Guid serviceGuid = BluetoothService.SerialPort;
                BluetoothListener listner = new BluetoothListener(serviceGuid);
                listner.Start();
                client = listner.AcceptBluetoothClient();
                byte[ buffer = new byte[1024];
                Stream myStream = client.GetStream();
                int length = myStream.Read(buffer, 0, buffer.Length);
                string message = Encoding.ASCII.GetString(buffer, 0, length);
            }

* the foreach loop only run once - and the message is succefully sent for once. While leaveing the server as it is, I stop the client again and run, but then it doesn't work. Where have I gone wrong. I tried both client and stream close() and dispose() on the server at the end of loop but tesult is the same. Please help.

Thank you very much.