From e9ef477e623a397c3cae8e1e2d676046069cbb01 Mon Sep 17 00:00:00 2001 From: unitexe Date: Fri, 6 Feb 2026 09:09:11 -0600 Subject: Boot to flutter app using ivi-homescreen embedder - Introduce meta-unit-graphics layer - Flutter app is run under the kiosk user - Added weston.ini specific to raspberrypi3-64 LCD screen - Move linger class to meta-unit-users layer so it can be used by meta-unit-graphics and meta-unit-core - Update svc and unitexe user UIDs so they dont clash with the weston user --- meta-unit-graphics/LICENSE | 21 ++++++++++++ .../classes/fix-kiosk-home-dir-ownership.bbclass | 5 +++ meta-unit-graphics/conf/layer.conf | 18 ++++++++++ .../recipes-core/systemd/systemd-flutter-kiosk.bb | 37 +++++++++++++++++++++ .../systemd/systemd-flutter-kiosk/kiosk.service | 15 +++++++++ .../flutter-apps/flutter-sample-no-material.bb | 17 ++++++++++ .../packagegroups/packagegroup-unit-kiosk.bb | 7 ++++ .../recipes-graphics/wayland/weston-init.bbappend | 1 + .../wayland/weston-init/raspberrypi3-64/weston.ini | 6 ++++ .../recipes-users/useradd/add-user-kiosk.bb | 38 ++++++++++++++++++++++ .../recipes-users/useradd/add-user-kiosk/.profile | 3 ++ 11 files changed, 168 insertions(+) create mode 100644 meta-unit-graphics/LICENSE create mode 100644 meta-unit-graphics/classes/fix-kiosk-home-dir-ownership.bbclass create mode 100644 meta-unit-graphics/conf/layer.conf create mode 100644 meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk.bb create mode 100644 meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk/kiosk.service create mode 100644 meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/flutter-apps/flutter-sample-no-material.bb create mode 100644 meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/packagegroups/packagegroup-unit-kiosk.bb create mode 100644 meta-unit-graphics/recipes-graphics/wayland/weston-init.bbappend create mode 100644 meta-unit-graphics/recipes-graphics/wayland/weston-init/raspberrypi3-64/weston.ini create mode 100644 meta-unit-graphics/recipes-users/useradd/add-user-kiosk.bb create mode 100644 meta-unit-graphics/recipes-users/useradd/add-user-kiosk/.profile (limited to 'meta-unit-graphics') diff --git a/meta-unit-graphics/LICENSE b/meta-unit-graphics/LICENSE new file mode 100644 index 0000000..52686ad --- /dev/null +++ b/meta-unit-graphics/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2025 Closed Circuit Consulting + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/meta-unit-graphics/classes/fix-kiosk-home-dir-ownership.bbclass b/meta-unit-graphics/classes/fix-kiosk-home-dir-ownership.bbclass new file mode 100644 index 0000000..f556b5c --- /dev/null +++ b/meta-unit-graphics/classes/fix-kiosk-home-dir-ownership.bbclass @@ -0,0 +1,5 @@ +ROOTFS_POSTPROCESS_COMMAND:append = " fix_kiosk_user_home_directory_ownership;" + +fix_kiosk_user_home_directory_ownership() { + chown -R kiosk:kiosk ${IMAGE_ROOTFS}/home/kiosk +} diff --git a/meta-unit-graphics/conf/layer.conf b/meta-unit-graphics/conf/layer.conf new file mode 100644 index 0000000..b87c882 --- /dev/null +++ b/meta-unit-graphics/conf/layer.conf @@ -0,0 +1,18 @@ +BBPATH .= ":${LAYERDIR}" + +BBFILES += "${LAYERDIR}/recipes*/*/*.bb ${LAYERDIR}/recipes*/*/*.bbappend" + +BBFILE_COLLECTIONS += "unit-graphics-layer" +BBFILE_PATTERN_unit-graphics-layer := "^${LAYERDIR}/" +BBFILE_PRIORITY_unit-graphics-layer = "13" + +LAYERDEPENDS_unit-distro = "core yocto unit-users-layer" + +LAYERSERIES_COMPAT_unit-graphics-layer = "whinlatter" + +BBFILES_DYNAMIC += " \ + flutter-layer:${LAYERDIR}/dynamic-layers/flutter-layer/recipes-*/*/*.bb \ + flutter-layer:${LAYERDIR}/dynamic-layers/flutter-layer/recipes-*/*/*.bbappend \ +" + +UNIT_GRAPHICS_LAYERDIR = "${LAYERDIR}" diff --git a/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk.bb b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk.bb new file mode 100644 index 0000000..9aa8d71 --- /dev/null +++ b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk.bb @@ -0,0 +1,37 @@ +SUMMARY = "Systemd service for launching kiosk application" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${UNIT_GRAPHICS_LAYERDIR}/LICENSE;md5=a77c12e0c0e8a14cebb1494195720ccc" + +inherit systemd + +require conf/include/flutter-version.inc + +SRC_URI = "file://kiosk.service" + +RDEPENDS:${PN}:append = " flutter-sample-no-material" +RDEPENDS:${PN}:append = " ivi-homescreen" +RDEPENDS:${PN}:append = " weston" +RDEPENDS:${PN}:append = " weston-init" +RDEPENDS:${PN}:append = " add-user-kiosk" + +S = "${UNPACKDIR}" + +SYSTEMD_USER = "kiosk" +SYSTEMD_USER_UNITDIR = "/home/${SYSTEMD_USER}/.config/systemd/user" + +do_install() { + install -D -p -m0644 ${S}/kiosk.service ${D}${SYSTEMD_USER_UNITDIR}/kiosk.service + + # Variable substitution. + sed -i 's|@@FLUTTER_SDK_TAG@@|${FLUTTER_SDK_TAG}|g' ${D}${SYSTEMD_USER_UNITDIR}/kiosk.service + sed -i 's|@@KIOSK_APPLICATION_NAME@@|flutter_sample_no_material|g' ${D}${SYSTEMD_USER_UNITDIR}/kiosk.service + + # Auto-enable systemd unit by creating the appropriate symlink + install -d ${D}${SYSTEMD_USER_UNITDIR}/default.target.wants + ln -sf ${SYSTEMD_USER_UNITDIR}/kiosk.service ${D}${SYSTEMD_USER_UNITDIR}/default.target.wants/kiosk.service +} + +FILES:${PN} = "\ + ${SYSTEMD_USER_UNITDIR}/kiosk.service \ + ${SYSTEMD_USER_UNITDIR}/default.target.wants/kiosk.service \ +" diff --git a/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk/kiosk.service b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk/kiosk.service new file mode 100644 index 0000000..3534eed --- /dev/null +++ b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-core/systemd/systemd-flutter-kiosk/kiosk.service @@ -0,0 +1,15 @@ +[Unit] +Description=Kiosk Application + +[Service] +Type=simple +Environment="WAYLAND_DISPLAY=/run/wayland-0" +ExecStart=/usr/bin/homescreen --bundle /usr/share/flutter/@@KIOSK_APPLICATION_NAME@@/@@FLUTTER_SDK_TAG@@/release/ --fullscreen +Restart=on-failure +RestartSec=2s +RestartSteps=5 +RestartMaxDelaySec=10s +TimeoutStartSec=15min + +[Install] +WantedBy=graphical.target diff --git a/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/flutter-apps/flutter-sample-no-material.bb b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/flutter-apps/flutter-sample-no-material.bb new file mode 100644 index 0000000..403786b --- /dev/null +++ b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/flutter-apps/flutter-sample-no-material.bb @@ -0,0 +1,17 @@ +SUMMARY = "flutter_sample_no_material" +DESCRIPTION = "A sample that shows a Flutter app without material widgets." +AUTHOR = "unitexe" +HOMEPAGE = "https://github.com/unitexe/flutter_sample_no_material" +BUGTRACKER = "None" +SECTION = "graphics" + +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://LICENSE;md5=38bf13be5d6979b28bd8adddb2f2f9b3" + +SRCREV = "e34c7c4ca151d6ca5282176cdbbe8f9d1844c9ae" +SRC_URI = "git://git.closedcircuitconsulting.com/flutter_sample_no_material;branch=main;protocol=https" + +PUBSPEC_APPNAME = "flutter_sample_no_material" +PUBSPEC_IGNORE_LOCKFILE = "1" + +inherit flutter-app diff --git a/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/packagegroups/packagegroup-unit-kiosk.bb b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/packagegroups/packagegroup-unit-kiosk.bb new file mode 100644 index 0000000..cbacc24 --- /dev/null +++ b/meta-unit-graphics/dynamic-layers/flutter-layer/recipes-graphics/packagegroups/packagegroup-unit-kiosk.bb @@ -0,0 +1,7 @@ +SUMMARY = "Unit kiosk" + +PACKAGE_ARCH = "${MACHINE_ARCH}" + +inherit packagegroup + +RDEPENDS:${PN}:append = " systemd-flutter-kiosk" diff --git a/meta-unit-graphics/recipes-graphics/wayland/weston-init.bbappend b/meta-unit-graphics/recipes-graphics/wayland/weston-init.bbappend new file mode 100644 index 0000000..4fc41d0 --- /dev/null +++ b/meta-unit-graphics/recipes-graphics/wayland/weston-init.bbappend @@ -0,0 +1 @@ +FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:" diff --git a/meta-unit-graphics/recipes-graphics/wayland/weston-init/raspberrypi3-64/weston.ini b/meta-unit-graphics/recipes-graphics/wayland/weston-init/raspberrypi3-64/weston.ini new file mode 100644 index 0000000..6866595 --- /dev/null +++ b/meta-unit-graphics/recipes-graphics/wayland/weston-init/raspberrypi3-64/weston.ini @@ -0,0 +1,6 @@ +[core] +require-input=false + +[output] +name=DSI-1 +mode=current diff --git a/meta-unit-graphics/recipes-users/useradd/add-user-kiosk.bb b/meta-unit-graphics/recipes-users/useradd/add-user-kiosk.bb new file mode 100644 index 0000000..b18f9ce --- /dev/null +++ b/meta-unit-graphics/recipes-users/useradd/add-user-kiosk.bb @@ -0,0 +1,38 @@ +SUMMARY = "Add kiosk user" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${UNIT_GRAPHICS_LAYERDIR}/LICENSE;md5=a77c12e0c0e8a14cebb1494195720ccc" + +EXCLUDE_FROM_WORLD = "1" + +inherit useradd +inherit extrausers +inherit enable-linger + +RDEPENDS:${PN}:append = " systemd" +RDEPENDS:${PN}:append = " weston-init" + +SRC_URI = "file://.profile" + +USERADD_PACKAGES = "${PN}" +USER_TO_ADD_NAME ?= "kiosk" +USER_TO_ADD_UID ?= "50557" +USER_TO_ADD_PASSWORD_HASHED ?= "\$6\$oD8hxDdrL3h.n..p\$j2LvVlUqokdmPQGDQLKgy3oA5qg.l7Sy4cV4m6zrMu8A8Yc8WJD8Kn9BgYC.Y5iZiAEbMdpUyiuFCCo7Whvgq0" +COMMA_SEPARATED_LIST_OF_GROUPS_TO_ADD_USER_TO ?= "systemd-journal,video,input,render,seat,wayland" + +USERADD_PARAM:${PN} = "-u ${USER_TO_ADD_UID} -U -d /home/${USER_TO_ADD_NAME} -s ${base_bindir}/sh -G ${COMMA_SEPARATED_LIST_OF_GROUPS_TO_ADD_USER_TO} -p '${USER_TO_ADD_PASSWORD_HASHED}' ${USER_TO_ADD_NAME}" + +INHIBIT_PACKAGE_DEBUG_SPLIT = "1" + +S = "${UNPACKDIR}" + +do_install() { + install -D -m 0644 ${S}/.profile ${D}/home/${USER_TO_ADD_NAME}/.profile +} + +# Prior to useradd being performed on the sysroot a couple things must happen: +# 1. Need the systemd recipe to create the systemd-journal group +# 2. Need busybox shell present +# 3. Need the weston-init recipe to create the video,input,render and seat groups +do_prepare_recipe_sysroot[depends] += "systemd:do_populate_sysroot busybox:do_populate_sysroot weston-init:do_populate_sysroot" + +FILES:${PN} = "/home/${USER_TO_ADD_NAME}/.profile" diff --git a/meta-unit-graphics/recipes-users/useradd/add-user-kiosk/.profile b/meta-unit-graphics/recipes-users/useradd/add-user-kiosk/.profile new file mode 100644 index 0000000..8957ce2 --- /dev/null +++ b/meta-unit-graphics/recipes-users/useradd/add-user-kiosk/.profile @@ -0,0 +1,3 @@ +# User is not part of sudo group and therefore doesn't +# have sbin in path, add it for access to common commands. +export PATH="${sbindir}:/sbin:$PATH" -- cgit v1.2.3