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x-linux-ai: recipes-samples: add face-recognition example 

Make the minimal changes needed to adapt the original X-LINUX-AI example and
integrate it into the Digi custom launcher.

Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
This commit is contained in:
Arturo Buzarra 2026-05-12 14:59:39 +02:00
parent cb70c15394
commit 3a3d6c699f
3 changed files with 92 additions and 1 deletions
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10
meta-digi-dey/dynamic-layers/x-linux-ai/recipes-samples/common/scripts/launch_npu_demo.sh
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@ -57,5 +57,13 @@ DEMO_DIR="/usr/local/x-linux-ai/${DEMO_FOLDER_NAME}"
# Verify that the demo directory exists.
[ -d "${DEMO_DIR}" ] || { echo "Error: Demo ${DEMO} does not exist"; exit 1; }
# Verify demo type
DEMO_TYPE="python"
case "$DEMO" in
face_recognition)
DEMO_TYPE="bin"
;;
esac
# Execute the demo.
"${DEMO_DIR}/launch_python_${DEMO}.sh"
"${DEMO_DIR}/launch_${DEMO_TYPE}_${DEMO}.sh"

58
meta-digi-dey/dynamic-layers/x-linux-ai/recipes-samples/face-recognition/files/patches/0001-face-recognition-remove-weston-user-check-from-launc.patch Normal file
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@ -0,0 +1,58 @@
From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Tue, 12 May 2026 13:58:31 +0200
Subject: [PATCH] face-recognition: remove weston user check from launch
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
stai-mpu/launch_bin_face_recognition.sh | 8 +-------
stai-mpu/launch_bin_face_recognition_testdata.sh | 8 +-------
2 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/stai-mpu/launch_bin_face_recognition.sh b/stai-mpu/launch_bin_face_recognition.sh
index d7c9238..44e954c 100755
--- a/stai-mpu/launch_bin_face_recognition.sh
+++ b/stai-mpu/launch_bin_face_recognition.sh
@@ -5,17 +5,11 @@
#
# This software is licensed under terms that can be found in the LICENSE file
# in the root directory of this software component.
# If no LICENSE file comes with this software, it is provided AS-IS.
-weston_user=$(ps aux | grep '/usr/bin/weston '|grep -v 'grep'|awk '{print $1}')
FRAMEWORK=$1
echo "stai wrapper used : "$FRAMEWORK
source /usr/local/x-linux-ai/resources/config_board_npu.sh
cmd="/usr/local/x-linux-ai/face-recognition/stai_mpu_face_recognition -m /usr/local/x-linux-ai/face-recognition/models/$FACE_DETECTION_MODEL -f /usr/local/x-linux-ai/face-recognition/models/$FACE_RECO_MODEL -d /usr/local/x-linux-ai/face-recognition/$FACE_DATABASE --framerate $DFPS --frame_width $DWIDTH --frame_height $DHEIGHT --camera_src $CAMERA_SRC"
-if [ "$weston_user" != "root" ]; then
- echo "user : "$weston_user
- script -qc "su -l $weston_user -c '$cmd'"
-else
- $cmd
-fi
+$cmd
diff --git a/stai-mpu/launch_bin_face_recognition_testdata.sh b/stai-mpu/launch_bin_face_recognition_testdata.sh
index 026e9c2..7fcce7d 100755
--- a/stai-mpu/launch_bin_face_recognition_testdata.sh
+++ b/stai-mpu/launch_bin_face_recognition_testdata.sh
@@ -5,17 +5,11 @@
#
# This software is licensed under terms that can be found in the LICENSE file
# in the root directory of this software component.
# If no LICENSE file comes with this software, it is provided AS-IS.
-weston_user=$(ps aux | grep '/usr/bin/weston '|grep -v 'grep'|awk '{print $1}')
FRAMEWORK=$1
echo "stai wrapper used : "$FRAMEWORK
source /usr/local/x-linux-ai/resources/config_board_npu.sh
cmd="/usr/local/x-linux-ai/face-recognition/stai_mpu_face_recognition -m /usr/local/x-linux-ai/face-recognition/models/$FACE_DETECTION_MODEL -i /usr/local/x-linux-ai/face-recognition/models/$FACE_RECO_DATA -f /usr/local/x-linux-ai/face-recognition/models/$FACE_RECO_MODEL -d /usr/local/x-linux-ai/face-recognition/$FACE_DATABASE"
-if [ "$weston_user" != "root" ]; then
- echo "user : "$weston_user
- script -qc "su -l $weston_user -c '$cmd'"
-else
- $cmd
-fi
+$cmd
--
2.34.1

25
meta-digi-dey/dynamic-layers/x-linux-ai/recipes-samples/face-recognition/stai-mpu-face-recognition-cpp_6.%.bbappend Normal file
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@ -0,0 +1,25 @@
# Copyright (C) 2026, Digi International Inc.
FILESEXTRAPATHS:prepend := "${THISDIR}/../common:${THISDIR}/files:"
SRC_URI += " \
file://scripts/launch_npu_demo.sh \
file://patches/0001-face-recognition-remove-weston-user-check-from-launc.patch \
"
do_install:append () {
# Install the generic launch script.
install -d ${D}${sysconfdir}/demos/scripts
install -m 755 ${WORKDIR}/scripts/launch_npu_demo.sh ${D}${sysconfdir}/demos/scripts/
# Create launch symlink for the demo.
ln -sf launch_npu_demo.sh ${D}${sysconfdir}/demos/scripts/launch_npu_demo_face_recognition.sh
}
RDEPENDS:${PN} += " \
libdrm-tests \
dcmipp-isp-ctrl \
"
FILES:${PN} += " \
${systemd_unitdir}/demos/scripts/* \
"