Thank you very much. Changing the macro to the _DPORT_REG_CLR_BIT does not get stuck anymore. Unfortunately, the sending using I2C still does not work. I will have to debug this.

Hello, I try to work with I2C within a wake up stub on my esp32. To this end I wrote a function to initialize I2C and a function to send something. These functions only use macros and are placed in RTC fast memory. I tested these function with the main CPU (within the RTOS) and it works fine. When I...

Hi, I'm running Archlinux. I can create the file my self but I don't know what input is needed. Fortunately, I found a way to build the software. I downloaded the ESP IDF docker container and I'm able now to build and flash the firmware using this docker container. Thank you to everyone for their he...

Thank you for your response. No I did checkout the esp-idf using my user. To be sure I ran chown -R with my user and group on my whole home directory. Unfortunately, this did not fix the problem. What I also realized is: make[7]: cmake: Permission denied make[7]: *** [CMakeFiles/ulp_main.dir/build.m...

Hi, I would like to write a program for my ESP32s2 for the RISC-V ulp. I installed the ESP IDF following the documentation here: https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/get-started/index.html I also tried to compile the hello world example which works fine. Then I tried to comp...