I would like to use esp32 for data collection, posting .cbor data via http-client POST. Esp-idf recommends creating components, I would like to have a .cbor creation component.
Running make with the xtensa-esp32-elf- toolset seems to make all the .o files but I am not sure how to prevent it from creating a standalone binary. at the end get
/cpu_start.c:583: undefined reference to app_main’`
Has anyone done this. What would my makefile look like? Has anyone seen a cmake version?
Am I better off using Google’s IoT Core Embedded C SDK?