Thank you, thats strange. i need to build a i2c slave device. for that i need to know was is a read or write, to which adress, etc. etc.
On STM32 i just use isrs to do this. But how to do it on esp-idf? i was not able to find any solution on the web,

Hello, i am new to ESP32, i am working on a i2c slave implementation right now. i want to use a isr which will be called when there are new data in the recieve buffer. in the documentation they wrote, that per default a isr handler is installed. but how do i work with them? I know from STM32 that yo...