Client reconnect failed after light sleep about nimble-arduino HOT 5 OPEN

Is the device you are connecting to advertising when you attempt to connect? If not, then it will fail since it will not be listening for connections.

from nimble-arduino.

Yes, the server is advertising. The entirety of the server code for this scenario is

        NimBLEDevice::init("NimBLE_light_sleep");
        auto bleServer = NimBLEDevice::createServer();
        auto advertising = NimBLEDevice::getAdvertising();
        auto service = bleServer->createService("1111");
        auto c = service->createCharacteristic("2222");
        c->setValue("3333");

        service->start();
        advertising->start();

There is no change in server behaviour between the delay loops and the light sleep loops

from nimble-arduino.

I am sure this used to work, so I went back through every version of the espressif32 platform. The most recent version that works is 5.1.1, 5.2.0 and onwards do not work, it never reconnects after light sleep. 5.1.1 reconnects with much more reliability (although not 100%, I assume the failed connections are an impact of default connection parameters) after light sleep.

I have uploaded a better sample that uses the neopixel to show if the connection works
NimBLE_light_sleep.zip

from nimble-arduino.

Should I also open an issue in the espressif platform repo https://github.com/platformio/platform-espressif32 ?

from nimble-arduino.

Yes, I would assume that if the platform change is what affected the operation in this situation that is a bug there and not here.

from nimble-arduino.