stick_vector: ensure we do not divide by zero #1247

	name: build
	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	targets:
	runs-on: ubuntu-latest
	outputs:
	targets: ${{ steps.set-targets.outputs.targets }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- id: set-targets
	run: echo "targets=[$(grep '\[env:' platformio.ini \| sed 's/.:$.$].*/"\1"/' \| grep -v simulator \| tr '\n' ',')]" >> $GITHUB_OUTPUT

	build:
	needs: targets
	runs-on: ubuntu-latest
	strategy:
	matrix:
	target: ${{fromJSON(needs.targets.outputs.targets)}}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: 'true'

	- name: Cache pip
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-${{ matrix.target }}-pip

	- name: Cache platformio
	uses: actions/cache@v4
	with:
	path: ~/.platformio
	key: ${{ runner.os }}-${{ matrix.target }}-platformio

	- name: Setup python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Install platformio
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade platformio

	- name: Build ${{ matrix.target }}
	run: \|
	pio run -e ${{ matrix.target }}
	cp .pio/build/${{ matrix.target }}/firmware.hex .pio/build/quicksilver.${{ matrix.target }}.hex

	- name: Upload artifacts
	uses: actions/upload-artifact@v4
	with:
	name: ${{ matrix.target }}
	path: .pio/build/quicksilver.${{ matrix.target }}.hex

	upload:
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Download artifacts
	uses: actions/download-artifact@v4
	with:
	path: output

	- name: Release
	uses: softprops/action-gh-release@v1
	if: startsWith(github.ref, 'refs/tags/')
	with:
	files: output//quicksilver.hex

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