Flexible USB Configuration and optimize `sam3u2c_if` #17

	name: Build DAPLink PR (Linux)
	on:
	pull_request:
	branches:
	- main
	- develop
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	gcc: ['10.3-2021.10']

	steps:
	- name: Install Arm GNU Toolchain (arm-none-eabi-gcc)
	uses: carlosperate/arm-none-eabi-gcc-action@v1
	with:
	release: ${{ matrix.gcc }}
	path-env-var: ARM_NONE_EABI_GCC_PATH

	- name: Cache Python modules
	id: cache-python
	uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Checkout source files
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Install Python module
	run: \|
	pip3 install --user -r requirements.txt

	- name: Install dependencies
	run: \|
	sudo apt install -y ccache ninja-build
	arm-none-eabi-gcc -v \| tee log.txt
	(git status; git log -1)>> log.txt

	- name: Cache CCache
	id: ccache
	uses: actions/cache@v3
	with:
	path: .ccache
	key: ${{ runner.os }}-gcc-${{ matrix.gcc }}-${{ hashFiles('log.txt') }}
	restore-keys: \|
	${{ runner.os }}-gcc-${{ matrix.gcc }}-

	- name: Configure CCache
	run: \|
	ccache --set-config=cache_dir="$GITHUB_WORKSPACE/.ccache"
	ccache --set-config=max_size=2Gi
	ccache -s -z

	- name: Compile
	run: \|
	export PATH="/usr/lib/ccache:$ARM_NONE_EABI_GCC_PATH:/home/runner/.local/bin:$PATH"
	progen generate -t cmake_gcc_arm global_workspace
	cmake -DCMAKE_C_COMPILER_LAUNCHER=ccache -GNinja -S projectfiles/cmake_gcc_arm -B projectfiles/cmake_gcc_arm
	ninja -C projectfiles/cmake_gcc_arm
	ccache -s

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