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/lvgl-latest/docs/details/integration/os/
Dtorizon_os.rst1 .. _torizon-os-section:
6 Torizon OS is an open-source software platform that aims to simplify the
16 -------------
19 More information is available on the Toradex `website <https://www.toradex.com/computer-on-modules>…
31 -----------
34 Follow the official bring-up `guides <https://developer.toradex.com/quickstart/bringup/>`_.
44 -------------------------
46 …`VSCode extension <https://developer.toradex.com/torizon/application-development/ide-extension/>`_…
47 and automate the tasks needed to cross-compile applications and build Docker images.
59 .. code-block:: sh
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Dnuttx.rst6 --------------
8 `NuttX <https://nuttx.apache.org/>`__ is a mature and secure real-time
10 compliance and small size. It is scalable from 8-bit to 64-bit
13 Institute (ANSI) standards and with many Linux-like subsystems. The best
20 - **Small** - Fits and runs in microcontrollers as small as 32 kB Flash
22 - **Compliant** - Strives to be as compatible as possible with POSIX
24 - **Versatile** - Supports many architectures (ARM, ARM Thumb, AVR,
25 MIPS, OpenRISC, RISC-V 32-bit and 64-bit, RX65N, x86-64, Xtensa,
27 - **Modular** - Its modular design allows developers to select only
29 - **Popular** - NuttX is used by many companies around the world.
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/lvgl-latest/env_support/cmsis-pack/
Dgen_pack.sh3 # Date: 2022-01-11
6 # Pre-requisites:
7 # - bash shell (for Windows: install git for Windows)
8 # - 7z in path (zip archiving utility)
9 # e.g. Ubuntu: sudo apt-get install p7zip-full p7zip-rar)
10 # - PackChk in path with execute permission
11 # (see CMSIS-Pack: CMSIS/Utilities/<os>/PackChk)
12 # - xmllint in path (XML schema validation)
13 # e.g. Ubuntu: sudo apt-get install libxml2-utils
19 if [ `uname -s` = "Linux" ]
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/lvgl-latest/.github/workflows/
Dbuild_micropython.yml7 # https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurren…
10 group: ${{ github.ref }}-${{ github.workflow }}
11 cancel-in-progress: true
17 runs-on: ubuntu-22.04
18 continue-on-error: true
23 - uses: ammaraskar/gcc-problem-matcher@master
24 - name: Install Dependencies
26 …sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu `lsb_release -sc` main universe r…
27 sudo apt-get update -y -qq
28 …sudo apt-get install libsdl2-dev parallel libfreetype-dev librlottie-dev libavformat-dev libavcode…
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Dgen_json.yml6 # https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurren…
9 group: ${{ github.ref }}-${{ github.workflow }}
10 cancel-in-progress: true
15 runs-on: ubuntu-22.04
18 - uses: actions/checkout@v4
20 - name: Setup Python
21 uses: actions/setup-python@v5
23 python-version: '3.10'
25 - name: Install Doxygen and Latex dependencies
27 sudo apt-get update
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Dcompile_docs.yml5 - master
6 - 'release/*'
8 # https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurren…
11 group: ${{ github.ref }}-${{ github.workflow }}
12 cancel-in-progress: true
16 EM_CACHE_FOLDER: 'emsdk-cache'
18 build-and-deploy:
20 runs-on: ubuntu-22.04
21 concurrency: docs-build-and-deploy
23 - name: Checkout
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Dmakefile_uefi.yml9 # https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurren…
12 group: ${{ github.ref }}-${{ github.workflow }}
13 cancel-in-progress: true
18 runs-on: ubuntu-22.04
21 - uses: actions/checkout@v4
22 - uses: ammaraskar/gcc-problem-matcher@master
23 - name: Install prerequisites
24 run: scripts/install-prerequisites.sh
25 - name: Install clang
26 run: sudo apt-get install clang lld
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/lvgl-latest/docs/details/integration/driver/
DX11.rst6 --------
15 -------------
19 1. Install XLib: ``sudo apt-get install libx11-6`` (should be installed already)
20 2. Install XLib development package: ``sudo apt-get install libx11-dev``
24 --------------------
27 .. code-block:: c
32 - Direct Exit
33 .. code-block:: c
35 …#define LV_X11_DIRECT_EXIT 1 /* preferred default - ends the application automatically if last wi…
40 - Double buffering
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Dopengles.rst8 --------
16 -------------
20 1. Install GLEW and GLFW: ``sudo apt-get install libglew-dev libglfw3-dev``
23 -----------------------
25 1. Required linked libraries: -lGL -lGLEW -lglfw
27 .. code-block:: c
32 -----------
34 .. code-block:: c
59 /* get the mouse indev of the window texture */
81 --------------
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Dwayland.rst8 --------
16 ------------
24 sudo apt-get install libwayland-dev libxkbcommon-dev libwayland-bin wayland-protocols
30 sudo dnf install wayland-devel libxkbcommon-devel wayland-utils wayland-protocols-devel
34 ------------------------------
44 - Enable window decorations, only required on GNOME because out of all the available wayland compos…
51 - Enable support for the deprecated 'wl_shell', Only useful when the BSP on the target has weston `…
58 -------
63 -----
127 ---------------------------
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/lvgl-latest/src/draw/nxp/vglite/
Dlv_draw_vglite_arc.c7 * Copyright 2021-2024 NXP
9 * SPDX-License-Identifier: MIT
53 int32_t quarter; /* 0-3 counter-clockwise */
104 if(dsc->opa <= (lv_opa_t)LV_OPA_MIN) in lv_draw_vglite_arc()
106 if(dsc->width == 0) in lv_draw_vglite_arc()
108 if(dsc->start_angle == dsc->end_angle) in lv_draw_vglite_arc()
111 lv_layer_t * layer = draw_unit->target_layer; in lv_draw_vglite_arc()
112 lv_point_t center = {dsc->center.x - layer->buf_area.x1, dsc->center.y - layer->buf_area.y1}; in lv_draw_vglite_arc()
115 lv_area_copy(&clip_area, draw_unit->clip_area); in lv_draw_vglite_arc()
116 lv_area_move(&clip_area, -layer->buf_area.x1, -layer->buf_area.y1); in lv_draw_vglite_arc()
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/lvgl-latest/docs/details/integration/os/buildroot/
Dimage_generation.rst18 .. code-block::
31 Get Buildroot
38 .. code-block:: bash
40 sudo apt install sed make binutils gcc g++ bash patch gzip bzip2 perl tar \
41 cpio python3 unzip rsync wget libncurses-dev
46 .. code-block:: bash
48 git clone --branch 2024.08 --depth 1 https://github.com/buildroot/buildroot.git
55 .. code-block:: bash
58 make list-defconfigs | grep rasp
69 .. code-block:: bash
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/lvgl-latest/docs/details/main-components/
Dfont.rst20 .. code-block:: c
28 :Legacy simple: 1, 2, 4 or 8-bpp (aligned or unaligned) and image format, and
34 - the font is stored as an array of bitmaps, one bitmap per glyph;
35 - the value stored for each pixel determines the pixel's opacity, enabling edges
36 to be smoother --- higher bpp values result in smoother edges.
49 LVGL supports **UTF-8** encoded Unicode characters. Your editor needs to
50 be configured to save your code/text as UTF-8 (usually this the default)
56 .. code-block:: c
71 The standard Latin-based languages (e.g., English, Spanish, German)
76 Languages like Arabic, Persian, and Hebrew, which use Right-to-Left
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/lvgl-latest/docs/details/integration/os/yocto/
Dlvgl_recipe.rst9 (64-bit), it can be applied to any board in a similar way.
16 .. code-block::
18 sudo apt install gawk wget git diffstat unzip texinfo gcc build-essential \
19 chrpath socat cpio python3 python3-pip python3-pexpect xz-utils \
20 debianutils iputils-ping python3-git python3-jinja2 python3-subunit zstd \
21 liblz4-tool file locales libacl1
27 ref-manual/system-requirements.html#required-packages-for-the-build-host>`_
36 .. code-block:: none
45 ├── meta-openembedded
46 ├── meta-raspberrypi
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/lvgl-latest/scripts/
DLVGLImage.py22 def uint8_t(val) -> bytes:
26 def uint16_t(val) -> bytes:
30 def uint24_t(val) -> bytes:
34 def uint32_t(val) -> bytes:
46 return ((r * a + (255 - a) * br) >> 8, (g * a + (255 - a) * bg) >> 8,
47 (b * a + (255 - a) * bb) >> 8, a)
74 def __init__(self, ncolors=256, dither=True, exec_path="") -> None:
76 self.cmd = (f"{executable} {'--nofs' if not dither else ''} "
77 f"{ncolors} --force - < ")
79 def convert(self, filename) -> bytes:
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