multiple connect disconvery lead to stuck

[strengthstrong]

I use sdk14.2 nrf52832 as the primary, connect two iphone peripherals, iphone is connected to broadcast, when I turn on both peripherals, sometimes everything is normal, sometimes the first time the service is found Just stuck, please help me

[strengthstrong]

If  just open a peripheral device, no problem

[Kenneth]

Hi,

I suggest that when you connect to a device, you have a delay until service discovery completes for the 1st device, before connecting to a 2nd device. I assume there is some race condition occurring here.

Best regards,
Kenneth

[strengthstrong]

But I just used a service. I was scanning. After I matched, I stopped scanning and started to connect. I started to discover the service after I connected. I discovered that the service was completed and then scanned. I don't know if there is any competition.

[strengthstrong]

in fact  i find  this situation is also happen only one device can be connect , so ,  my peripheral is iphone， it is  After the connection is still broadcast, but I filtered the mac, 

[Kenneth]

Hmm.. can you check out the following two links, if any issues may explain what you experience:

https://devzone.nordicsemi.com/f/nordic-q-a/16029/nrf52-ble_db_discovery-failed-to-initialize-correctly-when-repeats-the-service-discovery 

https://devzone.nordicsemi.com/f/nordic-q-a/29796/what-are-sdk-14-x-0-known-issues 

[strengthstrong]

hi ,This still did not help ，  thiis  

[strengthstrong]

Sometimes the service is found to be no problem, sometimes the situation shown in the figure above appears