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System setup » History » Revision 3

Revision 2 (Alex Seferidis, 07/17/2025 01:00 PM) → Revision 3/4 (Alex Seferidis, 07/21/2025 09:28 AM) 

# System setup 

 We must create created three services on the device 

 ## init_system service 

 Create file /etc/systemd/system/init_system.service 
 ``` 
 [Unit] 
 Description=Init python script 
 After=network.target 

 [Service] 
 WorkingDirectory=/data/firmware/htdocs/python 
 ExecStart=/usr/bin/python3 /data/firmware/htdocs/python/init.py 

 [Install] 
 WantedBy=multi-user.target 
 ``` 

 ## lemcoplayer service 

 Create file /etc/systemd/system/lemcoplayer.service 
 ``` 
 [Unit] 
 Description=Application startup script 
 After=network.target 

 StartLimitIntervalSec=60 
 StartLimitBurst=5 

 [Service] 
 Type=simple 
 Restart=always 
 RestartSec=7 
 ExecStartPre=/bin/sleep 1 
 ExecStartPre=systemctl stop externalplayer 
 ExecStartPre=/bin/sleep 1 
 ExecStartPre=-modetest -M rockchip -w 57:zpos:1 
 ExecStartPre=-modetest -M rockchip -w 73:zpos:0 
 ExecStartPre=echo 0 >/sys/class/graphics/fb0/blank 
 ExecStartPre=-/data/firmware/htdocs/python/init.sh 
 #ExecStartPre=echo 0 > /sys/bus/usb/devices/3-1/authorized 
 #ExecStartPre=echo 1 > /sys/bus/usb/devices/3-1/authorized 
 Environment="GST_MPP_DEC_DEFAULT_IGNORE_ERROR=0" 
 Environment="QT_QPA_PLATFORM=eglfs" 
 Environment="QT_QPA_EGLFS_KMS_CONFIG=/home/root/eglfs.conf" 
 #Environment="QTWEBENGINE_REMOTE_DEBUGGING=192.168.1.215:2345" 
 Environment="QML_XHR_ALLOW_FILE_READ=1" 
 Environment="GST_VIDEO_FLIP_USE_RGA=1" 
 Environment="GST_VIDEO_CONVERT_USE_RGA=1" 
 Environment="QT_QPA_EVDEV_KEYBOARD_PARAMETERS=keymap=/home/root/extra.qmap" 
 ExecStart=/data/firmware/lemcoplayer --no-sandbox --enable-gpu-rasterization --ignore-gpu-blocklist --enable-accelerated-video-decode --disable-web-security --autoplay-policy=no-user-gesture-required --allow-running-insecure-content 


 [Install] 
 WantedBy=multi-user.target 
 ``` 

 ## externalplayer service 
 ``` 
 [Unit] 
 Description=Application external player script 
 After=network.target 

 StartLimitIntervalSec=60 
 StartLimitBurst=0 

 [Service] 
 Type=simple 
 Restart=always 
 RestartSec=7 
 Environment="GST_MPP_DEC_DEFAULT_IGNORE_ERROR=0" 
 Environment="GST_VIDEO_FLIP_USE_RGA=1" 
 Environment="GST_VIDEO_CONVERT_USE_RGA=1" 
 ExecStart=/data/firmware/externalplayer 

 [Install] 
 WantedBy=multi-user.target 
 ``` 

 Then execute: 
 ``` 
 systemctl daemon-reload 
 systemctl enable init_system 
 systemctl enable lemcoplayer 
 systemctl enable externalplayer 

 ```