AFTER SUBSCRIBE AN INDICATE SEVICES THE DATA POINTER IS NULL

[FurkanCELIK]

There is a BLE server that has a service is indicate and write. I am developing a BLE client. This client subscribes that service and writes 5 byte data. After the writing proccess done, service indicates 5 bytes responce. But after that immediatly idnicates 0 Length data. That means my device unsubscribed the service. After that client disconnect from server and the reason is timeout (0x08). When i try the same proccess on NRF CONNECT MOBILE everything is fine. What is the difference ?  

[Edvin]

Hello,

Have you tried to debug the peripheral? Does it actually send a notification with length = 0?

Best regards,

Edvin

[FurkanCELIK]

It does't send a notification with length=0

[Edvin]

Is it possible to replicate this on 2 x nRF52833 DKs? If so, can you zip and upload the peripheral (server) and central (client) application so that I can replicate it?

BR,
Edvin

[FurkanCELIK]

I don't have the server side source code. So all i can do, copy the same services to nrf52833. But it doesn't mean it is the same device. So all i want to know is that if it is possible to handle the reason of unsubscribe ?

[FurkanCELIK]

Also, there is an information is realy important. If i dont subscribe that service and send a 5 bytes data in like 5 seconds the server device disconnects from my device. I subscribe that service, and send the data. My data is correct. I can subscribe the service. But it still disconnects.

The service has indicate and write properties.

I do the same steps on NRFCONNECT mobile. The client doesn't disconnect from the server.

What might be the problem.