Add esp32 build + twister #52

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	workflow_dispatch:

	jobs:
	build:
	# Project setup dominates vs. actual per-configuration build times, so
	# just run twister for all boards instead of splitting into separate jobs.
	# strategy:
	# matrix:
	# board:
	# [
	# esp_wrover_kit/esp32/procpu,
	# esp32s3_devkitm/esp32s3/procpu,
	# esp32s3_devkitc/esp32s3/procpu,
	# esp32c3_devkitm,
	# ]
	runs-on: ubuntu-latest
	steps:
	- name: ☑️ Checkout
	uses: actions/checkout@v4
	with:
	path: zephyr-esp32-example

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.11

	- name: ♻️ Setup Zephyr project
	uses: zephyrproject-rtos/action-zephyr-setup@v1
	with:
	app-path: zephyr-esp32-example
	toolchains: xtensa-espressif_esp32s3_zephyr-elf riscv64-zephyr-elf

	- name: 💾 Cache ~/.cache/ccache
	uses: actions/cache@v3
	with:
	path: ~/.cache/ccache
	key: ccache-v1-${{ runner.os }}-${{ hashFiles('zephyr-workspace/zephyr-esp32-example/west.yml') }}
	restore-keys: \|
	ccache-v1-${{ runner.os }}-

	- name: 🌪️ Run twister
	run: \|
	# not part of action-zephyr-setup
	west blobs fetch hal_espressif

	zephyr/scripts/twister
	--testsuite-root zephyr-esp32-example

	ccache -sv

	- name: 🎨 Upload artifacts
	uses: actions/upload-artifact@v4
	if: ${{ always() }}
	with:
	name: twister-artifacts
	path: \|
	twister-out/*/.log

Provide feedback