Most of these look like they were used for print debugging and then kept in
when the print statements were removed or commented.
Some look like missing or incomplete functionality, these have been marked
with comments where possible.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
This tool implements a subset of the ESP32 ROM bootloader protocol, and
it's mainly intended for updating Nina WiFi firmware from MicroPython, but
can be used to flash any ESP32 chip.
Angus Gratton