I'm still interested in any information that is available on this subject.

I am trying to write my own GPIO ISR handler for use with gpio_isr_register() and I have run into something interesting. It looks like the ISR that is installed if you run gpio_install_isr_service() uses gpio_hal_get_intr_status() which ultimately resolves down to a read of either GPIO_ACPU_INT_REG ...

I am trying to build a component for ESP-IDF v4.1, that uses code generation to generate .cpp and .h files. There is a section in the build system documentation titled "Source Code Generation" that I am trying to use as a reference. The application is not open source, so I will post a minimal dummy ...