Hey @jcolebaker

Thanks for reporting the issue. We have added a fix for the BLE connection issue in the `release/v4.2` branch of ESP-IDF. Can you please pull the latest code on that branch, update the submodules (git submodule update --init --recursive) and give it a try. It should work fine.

@davdav

It is working without any change in v4.2 release, no leak. So, ideally, there are no changes required at your side in the SDK.

In my first reply, where I confirmed it was an issue, I had tested it with IDF master (which has a different esp-nimble branch: nimble-1.3.0-idf). So, the issue is ...

The same works fine on v4.2 release as well (ESP-IDF Github head: c40f2590bf759ff60ef122afa79b4ec04e7633d2 esp-nimble head: 95bd8644abf4a410dd3fb914468d3a23ac9bbec2 nimble-1.2.0-idf branch) Logs:


I (30) boot: ESP-IDF v4.2 2nd stage bootloader
I (30) boot: compile time 22:39:39
I (30) boot: chip ...

@davdav

Sorry for missing this in the first place. I just tried it with latest `release/v4.2` branch (ESP-IDF Github with NimBLE submodule head ba72e37ac40c13b66ad49c3178c0dbc9588add61 from `nimble-1.2.0-idf` branch ) and I am not able to see any issue with your code. Below is a snapshot of the ...

@davdav

You don't need to file an issue. It is now tracked internally.

Quick fix: Can you please add the following line (in green) below ble_npl_callout_stop in the file esp-idf/components/bt/host/nimble/nimble/nimble/host/src/ble_hs_stop.c:

ble_npl_callout_stop(&ble_hs_stop_terminate_tmo);
ble ...

@davdav

Thank you for reporting the issue and for providing a simplistic code to recreate the same. Yes, this looks like a problem.
Just to give you some background, the NimBLE upstream does not yet have the stop/deinit support integrated. We have added this functionality to our port (esp-nimble ...

Hi,

Unfortunately, no. There are no plans to support BLE provisioning with NimBLE in v3.3. Although, now that v4.0-rc has been released a couple of days back (and v4.0 should be out in the next few days), you can considering moving to it. This way, you would be able to use NimBLE in unified BLE ...

Hi @IanWhitehead,

Persistent bonding is supported in ESP-IDF for NimBLE host. Can you please enable bonding in the example configuration options `make menuconfig -> Example Configuration -> Use Bonding` which is disabled by default. Please give it a try and let us know if it helps. I just tested ...

These commands need to be entered on ESP32 console. You can flash the dialogflow firmware and boot-up the board.
After that on the console, you can enter these NVS commands followed by the Wi-Fi commands.

ESP-IDF now supports Apache Mynewt NimBLE host stack which is specifically ported for ESP32 platform and FreeRTOS. NimBLE is an open-source Bluetooth Low Energy (BLE) or Bluetooth Smart stack (both host and controller) fully compliant with Bluetooth 5 specifications and with support for BLE Mesh ...