Read data via bluetooth using c#

Question

I am using Lecia Disto e7100i which basically measures distance and area using laser. This device has bluetooth and can be paired with windows. I am trying to develop an wpf app that reads the mesaured data using c#

There is no sdk that comes along with the device. I have tried to use 32feet.Net but since there is no proper documentation I don't know where to start.

Is there any way that I can do to solve my problem?

Answer 1

This is not a full response, instead its more of a guideline on how to resolve your issue:

1. Pair the device with your Computer
2. Run the included software that displays the data somehow
3. Use WireShark to analyze the traffic
4. see if it is a standard protocol type or something custom
5. understand the protocol and reimplement it using c# and BluetoothSockets

Answer 2

To get started, you can try:

var client = new BluetoothClient();
// Select the bluetooth device
var dlg = new SelectBluetoothDeviceDialog();
DialogResult result = dlg.ShowDialog(this);
if (result != DialogResult.OK)
{
    return;
}
BluetoothDeviceInfo device = dlg.SelectedDevice;
BluetoothAddress addr = device.DeviceAddress;
Console.WriteLine(device.DeviceName);
BluetoothSecurity.PairRequest(addr, "PIN"); // set the pin here or take user input
device.SetServiceState(BluetoothService.HumanInterfaceDevice, true);
Thread.Sleep(100); // Precautionary
if (device.InstalledServices.Length == 0)
{
    // handle appropriately
}
client.Connect(addr, BluetoothService.HumanInterfaceDevice);

Also make sure that

• Device appears in "Bluetooth devices" in the "Control panel".
• Device is HID or change code accordingly.

Hope it helps. Cheers!

Answer 3

Try this demo project, and the following articles after that one.

Try to follow this tutorial

Here you can see a direct answer by the mantainer of 32feet, with which you can get in touch

Check also this answer