As the tittle says, we get random disconnects with only an 'alive' topic updating every second.

The error is:
MQTT_CLIENT: Read error or end of stream

We are working with:
platform = espressif32@1.11.2
framework = arduino, espidf

We don't know how to look for the MQTT library version..

The ...

Hello boarchuz, we have though of this possibility but after testing we don't think this is the case because after adding 1 to the variable we wake up the main cores and print the value. How could we try it better? The ULP wakeup period is 20ms.

Thank you very much for your response it was really useful, altough we do not understand the reason why this happens..
In our case:
- First we put the main ESP32 cores to sleep
- The ULP coprocessor initializes a variable at 0
- A function inside the ULP adds 1 to this variable
- Wake up main ESP32 ...

Hello everyone,
We are a team developing a software for the ESP32 and we are using the ULP coprocessor. We have encountered a problem when inplementing a counter. The ULP code used is the following:
move r0, counter
ld r1, r0, 0
add r1, r1, 1
st r1, r0, 0

To print the variable in the main ESP32 ...