A home for the Omar hardware bring-up code. Initially this will consist of a menu of console commands for testing the various hardware components (based on the esp-idf SDK's console).
This version of Omar is built around the Espressif ESP32, and you can find everything you need to know about the ESP32 platform and the esp-idf SDK used to build code for it here: ESP-IDF Programming Guide.
The official esp-idf SDK github repo can be found here: Espressif IoT Development Framework.
Follow the instructions at What You Need to install the toolchain and the ESP-IDF, and set up your build environment.
The first time you check out the sources, you'll need to run make menuconfig to establish your configuration. The default configuration is fine, so just exit the Espressif IoT Development Framework Configuration menu UI by using the Right Arrow key to select and then press the < Exit > button at the bottom of the screen (and save if prompted).
Once you're past this initial configuration step, building is just the usual matter of invoking make and, once everything builds, saying make flash.
make flash needs to know what TTY you're using, so be sure to setup the ESPPORT shell variable (i.e., export ESPPORT=/dev/tty.usbserial). And the default download speed is pretty slow, so you'll also want to say export ESPBAUD=921600 to speed things up.
If you're using a dev board like the ESP32-PICO-KIT and are using the micro-USB serial cable, you're all ready to run make flash. If on the other hand you're using a standard USB/Serial cable connected directly to the Rx/Tx pins (as you will if you're talking to Omar hardware), you'll need to manually put the board into download mode in order to flash. The ESP32 has a couple of pins called EN and BOOT that manage this for you, the idea is that you set BOOT and then reset the board by toggling EN: this brings the board up into download mode. Once the download is complete, clear BOOT and toggle EN to reset the board again, this time into normal boot mode where it jumps to your application.