The use of printf() in interrupt routines is something best avoided.
(since printf() may be a macro, a function, or something else that disables interrupts)

If you want to "printf()" something, then sprintf() to a (global) buffer first, and then printf the buffer somewhere outside of the ...

What problem are you trying to solve here? Why do you think you need a software interrupt? This feels like an X-Y problem to me, to be honest.

I didn't solve any problem. I am learning so I go through the technical manual and wanna try as much feature as I can

Hello, I am new to ESP32-C3 and try to find example using ESP-IDF to generate software interrupt in ESP32-C3 but I cant find anywhere. So I am trying to make a very simple example problem: Print "Hello" to screen using software interrupt (generated every second).
However, my code is not work. Can ...