BUILD.md

How to build the UFO firmware yourself.

Please be warned that we cannot provide any support or warranty as soon as you upload non-officially released firmware.

get the build environment

• https://esp-idf.readthedocs.io

• https://docs.espressif.com/projects/esp-idf/en/latest/get-started/windows-setup.html

getting the latest version

Tested with ESP-IDF version 3.0:

git clone --recursive --branch release/v3.0 https://github.com/espressif/esp-idf.git
git submodule update 

build settings

make menuconfig

• Serial flasher config --> (COMx) Default serial port e.g. COM4 on Windows (you find on Windows COM port in device manager), or /dev/ttyUSB0 on Linux (look at /dev/tty*); you can use speeds up to 921600bps
• Component config --> ESP32-specific --> (10) Task watchdog timeout (seconds)
• Component config --> ESP32-specific --> Core dump destination --> Flash
• Partition table --> Custom parition table --> partitions.csv

useful build commands

• make erase_flash to erase all partitions of the flash
• make clean to force a fresh build from scratch
• make -j flash monitor build all, flash to UFO, and start monitoring over serial interface