init lvgl code

LVGL.Simulator/lvgl/.github/FUNDING.yml

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+open_collective: lvgl

LVGL.Simulator/lvgl/.github/ISSUE_TEMPLATE/bug-report.md

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+---
+name: Bug report
+about: Create a bug report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+IMPORTANT
+Issues that don't use this template will be ignored and closed.
+-->
+
+### Perform all steps below and tick them with [x]
+- [ ] Read the [FAQ](https://docs.lvgl.io/master/intro/index.html#faq)
+- [ ] Check the related part of the [Documentation](https://docs.lvgl.io/)
+- [ ] Update lvgl to the latest version
+- [ ] Reproduce the issue in a [Simulator](https://docs.lvgl.io/latest/en/html/get-started/pc-simulator.html)
+
+### Describe the bug
+<!--
+A clear and concise description of what the bug is.
+-->
+
+### To Reproduce
+<!--
+Provide a small, independent code sample that can be used to reproduce the issue.
+Ideally this should work in the PC simulator unless the problem is specific to a platform.
+Format the code like this:
+```c
+your code here
+```
+-->
+
+### Expected behavior
+<!--
+A clear and concise description of what you expected to happen.
+-->
+
+### Screenshots or video
+<!--
+If applicable, add screenshots to help explain your problem.
+-->

LVGL.Simulator/lvgl/.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Documentation
+    url: https://docs.lvgl.io
+    about: Be sure to read to documentation first
+  - name: Forum
+    url: https://forum.lvgl.io
+    about: For topics like How-to, Getting started, Feature request
+  - name: CONTIBUTING.md
+    url: https://github.com/lvgl/lvgl/blob/master/docs/CONTRIBUTING.md#faq-about-contributing
+    about: The basic rules of contributing
+  - name: CODING_STYLE.md
+    url: https://github.com/lvgl/lvgl/blob/master/docs/CODING_STYLE.md
+    about: Quick summary of LVGL's code style

LVGL.Simulator/lvgl/.github/ISSUE_TEMPLATE/dev-discussion.md

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+---
+name: Development discussion
+about: Discussion strictly related to the development of the LVGL.
+title: ''
+labels: ''
+assignees: ''
+
+---
+<!--
+IMPORTANT
+Issues that don't use this template will be ignored and closed.
+
+Normal Feature requests should go to the Forum: https://forum.lvgl.io/c/feature-request/9
+-->
+
+### Introduce the problem
+<!--
+A clear and concise description of the problem.
+-->
+
+### Examples and cases
+<!--
+Mention some examples and cases where the problem or the missing feature is relevant
+-->
+
+### Suggested solution
+<!--
+If you already have an idea about the solution share it here
+-->

LVGL.Simulator/lvgl/.github/auto-comment.yml

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+# Comment to a new issue.
+pullRequestOpened: |
+  Thank you for raising your pull request.
+
+  To ensure that all licensing criteria is met all repositories of the LVGL project apply a process called DCO (Developer's Certificate of Origin).
+
+  The text of DCO can be read here: https://developercertificate.org/
+  For a more detailed description see the [Documentation](https://docs.lvgl.io/latest/en/html/contributing/index.html#developer-certification-of-origin-dco) site.
+
+  By contributing to any repositories of the LVGL project you state that your contribution corresponds with the DCO.
+
+  No further action is required if your contribution fulfills the DCO. If you are not sure about it feel free to ask us in a comment.

LVGL.Simulator/lvgl/.github/pull_request_template.md

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+### Description of the feature or fix
+
+A clear and concise description of what the bug or new feature is.
+
+### Checkpoints
+- [ ] Follow the [styling guide](https://github.com/lvgl/lvgl/blob/master/docs/CODING_STYLE.md)
+- [ ] Run `code-format.py` from the `scripts` folder. [astyle](http://astyle.sourceforge.net/install.html) needs to be installed.
+- [ ] Update the documentation

LVGL.Simulator/lvgl/.github/workflows/arduino.yml

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+name: Arduino Lint
+on:
+  push:
+    branches: [ master, release/v8.* ]
+  pull_request:
+    branches: [ master, release/v8.* ]
+jobs:
+  lint:
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: arduino/arduino-lint-action@v1
+        with:
+          library-manager: update

LVGL.Simulator/lvgl/.github/workflows/build_micropython.yml

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+name: Micropython CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    name: Build ${{ matrix.port }} port
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        port: ['unix', 'esp32', 'stm32', 'rp2']
+    steps:
+    - uses: ammaraskar/gcc-problem-matcher@master
+    - name: Install Dependencies
+      run: |
+        sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe restricted multiverse"
+        sudo apt-get update -y -qq
+        sudo apt-get install libsdl2-dev parallel libfreetype-dev librlottie-dev
+    - name: Clone lv_micropython
+      run: |
+        git clone https://github.com/lvgl/lv_micropython.git .
+        git checkout master
+    - name: Initialize lv_bindings submodule
+      run: git submodule update --init --recursive lib/lv_bindings
+    - name: Update ${{ matrix.port }} port submodules
+      if: matrix.port != 'esp32'
+      # VARIANT needed for unix
+      run: make -C ports/${{ matrix.port }} VARIANT=dev DEBUG=1 USER_C_MODULES=../../lib/lv_bindings/bindings.cmake submodules 
+    - name: Checkout LVGL submodule
+      working-directory: ./lib/lv_bindings/lvgl
+      run: |
+        git fetch --force ${{ github.event.repository.html_url }} "+refs/heads/*:refs/remotes/origin/*"
+        git fetch --force ${{ github.event.repository.html_url }} "+refs/pull/*:refs/remotes/origin/pr/*"
+        git checkout ${{ github.sha }} || git checkout ${{ github.event.pull_request.head.sha }}
+        git submodule update --init --recursive
+    - name: Build mpy-cross
+      run: make -j $(nproc) -C mpy-cross
+
+    # ESP32 port
+    - name: Setup ESP-IDF
+      if: matrix.port == 'esp32'
+      run: |
+        source tools/ci.sh && ci_esp32_idf44_setup
+    - name: Build ESP32 port
+      if: matrix.port == 'esp32'
+      run: |
+        source tools/ci.sh && ci_esp32_build
+
+    # STM32 & RPi Pico port
+    - name: arm-none-eabi-gcc
+      if: matrix.port == 'stm32' || matrix.port == 'rp2'
+      uses: carlosperate/arm-none-eabi-gcc-action@v1.3.0
+      with:
+        release: '9-2019-q4' # The arm-none-eabi-gcc release to use.
+    - name: Build STM32 port
+      if: matrix.port == 'stm32'
+      run: make -j $(nproc) -C ports/stm32 BOARD=STM32F7DISC
+    - name: Build Raspberry Pi PICO port
+      if: matrix.port == 'rp2'
+      run: make -j $(nproc) -C ports/rp2 BOARD=PICO USER_C_MODULES=../../lib/lv_bindings/bindings.cmake
+    # Unix port
+    - name: Build Unix port
+      if: matrix.port == 'unix'
+      run: make -j $(nproc) -C ports/unix VARIANT=dev DEBUG=1
+    - name: Run tests
+      if: success() && matrix.port == 'unix'
+      run: |
+        export XDG_RUNTIME_DIR=/tmp
+        lib/lv_bindings/tests/run.sh
+        

LVGL.Simulator/lvgl/.github/workflows/ccpp.yml

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+name: C/C++ CI
+
+on:
+  push:
+    branches: [ master, release/v8.* ]
+  pull_request:
+    branches: [ master, release/v8.* ]
+
+jobs:
+  build:
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # A valid option parameter to the cmake file.
+        # See BUILD_OPTIONS in tests/CMakeLists.txt.
+        build_option: ['OPTIONS_MINIMAL_MONOCHROME',
+                       'OPTIONS_NORMAL_8BIT',
+                       'OPTIONS_16BIT',
+                       'OPTIONS_16BIT_SWAP',
+                       'OPTIONS_FULL_32BIT']
+    name: Build ${{ matrix.build_option }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ammaraskar/gcc-problem-matcher@master
+    - name: Install prerequisites
+      run: scripts/install-prerequisites.sh
+    - name: Building ${{ matrix.build_option }}
+      run: python tests/main.py --build-option=${{ matrix.build_option }} build
+
+  test-native:
+    runs-on: ubuntu-latest
+    name: amd64 Executable Tests
+    steps:
+    - uses: actions/checkout@v2
+    - uses: ammaraskar/gcc-problem-matcher@master
+    - name: Install prerequisites
+      run: scripts/install-prerequisites.sh
+    - name: Run tests
+      run: python tests/main.py --report test
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v2
+      if: github.event_name == 'push'
+      with:
+        fail_ci_if_error: true
+        verbose: true
+  test-cross:
+    # The host should always be linux
+    runs-on: ubuntu-latest
+    name: ${{ matrix.arch }} Executable Tests
+
+    # Run steps on a matrix of 3 arch/distro combinations
+    strategy:
+      matrix:
+        arch: [ 'aarch64', 'armv6', 'armv7' ]
+
+    steps:
+      - uses: actions/checkout@v2.1.0
+      - uses: ammaraskar/gcc-problem-matcher@master
+      - name: Setup cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.ccache
+          key: lvgl_ci_cross_test_ccache_${{ matrix.arch }}_${{ github.sha }}
+          restore-keys: |
+            lvgl_ci_cross_test_ccache_${{ matrix.arch }}
+      - uses: uraimo/run-on-arch-action@v2.1.1
+        name: Run tests
+        id: build
+        with:
+          arch: ${{ matrix.arch }}
+          distro: bullseye
+
+          # Not required, but speeds up builds
+          githubToken: ${{ github.token }}
+
+          # The shell to run commands with in the container
+          shell: /bin/bash
+          
+          # Create cached/volume directories on host
+          setup: |
+            mkdir -p ~/.ccache
+
+          # Mount cached directories in the container for faster builds
+          dockerRunArgs: |
+            --volume "${HOME}/.ccache:/root/.ccache"
+
+          install: |
+            apt-get update -y
+            apt-get install build-essential ccache python3 libpng-dev ruby-full gcovr cmake -q -y
+            /usr/sbin/update-ccache-symlinks
+            echo 'export PATH="/usr/lib/ccache:$PATH"' | tee -a ~/.bashrc
+
+          run: |
+            env PATH="/usr/lib/ccache:$PATH" ASAN_OPTIONS=detect_leaks=0 python3 tests/main.py test

LVGL.Simulator/lvgl/.github/workflows/check_conf.yml

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+name: Verify that lv_conf_internal.h matches repository state
+on:
+  push:
+  pull_request:
+
+jobs:
+  verify-conf-internal:
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Generate lv_conf_internal.h
+        run: python lv_conf_internal_gen.py
+        working-directory: scripts
+      - name: Check that repository is clean
+        run: git diff --exit-code >/dev/null 2>&1 || (echo "Please regenerate lv_conf_internal.h using scripts/lv_conf_internal_gen.py"; false)

LVGL.Simulator/lvgl/.github/workflows/check_style.yml

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+name: Verify code formatting
+on:
+  push:
+  pull_request:
+
+jobs:
+  verify-formatting:
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+      - name: Install astyle
+        run: |
+          sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe restricted multiverse"
+          sudo apt-get update -y -qq
+          sudo apt-get install astyle
+      - name: Format code
+        run: python code-format.py
+        working-directory: scripts
+      - name: Check that repository is clean
+        shell: bash
+        run: |
+          set -o pipefail
+          if ! (git diff --exit-code --color=always | tee /tmp/lvgl_diff.patch); then
+            echo "Please apply the preceding diff to your code or run scripts/code-format.py"
+            exit 1
+          fi

LVGL.Simulator/lvgl/.github/workflows/close_old_issues.yml

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+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+  workflow_dispatch:
+
+jobs:
+  stale:
+    if: github.repository == 'lvgl/lvgl'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v5
+        with:
+          repo-token: ${{ secrets.LVGL_BOT_TOKEN }}
+          stale-issue-message: 'This issue is stale because it has been open 14 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          stale-pr-message: 'This PR is stale because it has been open 14 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          close-issue-message: 'This issue was closed because it has been stalled for 7 days with no activity.'
+          days-before-stale: 14
+          days-before-close: 7
+          exempt-issue-labels: 'pinned'
+          exempt-pr-labels: 'pinned'

LVGL.Simulator/lvgl/.github/workflows/compile_docs.yml

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+name: Build docs
+on:
+  push:
+    branches:
+    - master
+    - 'release/*'
+env:
+  EM_VERSION: 2.0.4
+  EM_CACHE_FOLDER: 'emsdk-cache'
+jobs:
+  build-and-deploy:
+    if: github.repository == 'lvgl/lvgl'
+    runs-on: ubuntu-latest
+    concurrency: docs-build-and-deploy
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Cache Python packages
+        uses: actions/cache@v2
+        with:
+          # Cache the Python package environment, excluding pip and setuptools installed by setup-python
+          path: |
+            ~/.cache/pip
+            ${{ env.pythonLocation }}/bin/*
+            ${{ env.pythonLocation }}/include
+            ${{ env.pythonLocation }}/lib/python*/site-packages/*
+            !${{ env.pythonLocation }}/bin/pip*
+            !${{ env.pythonLocation }}/lib/python*/site-packages/pip*
+            !${{ env.pythonLocation }}/lib/python*/site-packages/setuptools*
+          key: ${{ env.pythonLocation }}-${{ hashFiles('docs/requirements.txt') }}
+      - name: Install Doxygen and Latex dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install doxygen texlive-xetex texlive-binaries texlive-lang-english latexmk fonts-freefont-otf
+      - name: Install requirements
+        run: |
+          pip install -r docs/requirements.txt
+      - name: Setup Emscripten cache
+        id: cache-system-libraries
+        uses: actions/cache@v2
+        with:
+          path: ${{env.EM_CACHE_FOLDER}}
+          key: ${{env.EM_VERSION}}-${{ runner.os }}
+      - uses: mymindstorm/setup-emsdk@v9
+        with:
+          version: ${{env.EM_VERSION}}
+          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}
+      - name: ccache
+        uses: hendrikmuhs/ccache-action@v1
+      - name: Build examples (with cache)
+        run: scripts/build_html_examples.sh
+      - name: Build docs
+        run: docs/build.py
+      - name: Remove .doctrees
+        run: rm -rf out_html/.doctrees
+      - name: Retrieve version
+        run: |
+          echo "::set-output name=VERSION_NAME::$(scripts/find_version.sh)"
+        id: version
+      - name: Deploy to subfolder
+        uses: JamesIves/github-pages-deploy-action@3.7.1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ACCESS_TOKEN: ${{ secrets.LVGL_BOT_TOKEN }}
+          REPOSITORY_NAME: lvgl/docs
+          BRANCH: gh-pages # The branch the action should deploy to.
+          FOLDER: out_html  # The folder the action should deploy.
+          TARGET_FOLDER: ${{ steps.version.outputs.VERSION_NAME }}
+          GIT_CONFIG_NAME: lvgl-bot
+          GIT_CONFIG_EMAIL: lvgl-bot@users.noreply.github.com
+          PRESERVE: true
+          SINGLE_COMMIT: true
+      - name: Deploy to master
+        if: github.ref == 'refs/heads/master'
+        uses: JamesIves/github-pages-deploy-action@3.7.1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ACCESS_TOKEN: ${{ secrets.LVGL_BOT_TOKEN }}
+          REPOSITORY_NAME: lvgl/docs
+          BRANCH: gh-pages # The branch the action should deploy to.
+          FOLDER: out_html  # The folder the action should deploy.
+          TARGET_FOLDER: master
+          GIT_CONFIG_NAME: lvgl-bot
+          GIT_CONFIG_EMAIL: lvgl-bot@users.noreply.github.com
+          PRESERVE: true
+          SINGLE_COMMIT: true

LVGL.Simulator/lvgl/.github/workflows/esp_upload_component.yml

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+name: Push LVGL release to Espressif Component Service
+
+# If the commit is tagged, it will be uploaded. Other scenario silently fail.
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  upload_components:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+        with:
+          submodules: "recursive"
+
+      - name: Upload component to component registry
+        uses: espressif/github-actions/upload_components@master
+        with:
+          name: "lvgl"
+          version: "git"
+          namespace: "lvgl"
+          api_token: ${{ secrets.ESP_IDF_COMPONENT_API_TOKEN }}

LVGL.Simulator/lvgl/.github/workflows/main.yml

@@ -0,0 +1,16 @@
+on:
+  issues:
+    types: [opened, edited]
+
+jobs:
+  auto_close_issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Automatically close issues that don't follow the issue template
+        uses: lucasbento/auto-close-issues@v1.0.2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          issue-close-message: "@${issue.user.login}: hello! :wave:\n\nThis issue is being automatically closed because it does not follow the issue template." # optional property
+          closed-issues-label: "not-template"

LVGL.Simulator/lvgl/.github/workflows/release.yml

@@ -0,0 +1,27 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+" # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Create Release
+
+jobs:
+  build:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: |
+            See the [CHANGELOG](https://github.com/lvgl/lvgl/blob/master/docs/CHANGELOG.md)
+          draft: false
+          prerelease: false