mirror of https://github.com/OpenIPC/wiki.git
Create FPV-orange-pi-5-groundstation.md
A guide on setting up a minimal ubuntu server groundstation on an Orange Pi 5 Plus.pull/324/head
JohnDGodwin
GitHub
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Download Ubuntu Server ISO and flash to device -- https://github.com/Joshua-Riek/ubuntu-rockchip
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sudo apt update
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sudo apt upgrade
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Go ahead and pull some packages we will need, too.
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sudo apt install dkms python3-all-dev fakeroot network-manager
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-------------------------------------------------------------------------------------------
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Gsteamer setup with MPP
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Download and install gstreamer
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sudo apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5
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Download and install rockchip mpp, rga, and gstreamer plugin from an included custom PPA, for hardware accelerated decoding.
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sudo apt install gstreamer1.0-rockchip1 librga-dev librga2 librockchip-mpp-dev librockchip-mpp1 librockchip-vpu0 libv4l-rkmpp rockchip-multimedia-config libgl4es libgl4es-dev libdri2to3
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test with:
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gst-inspect-1.0 | grep 265
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gst-inspect-1.0 | grep mpp
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-----------------------------------------------------------------------
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rtl8812au drivers installation
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enter the following line-by-line
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sudo bash -c "cat > /etc/modprobe.d/wfb.conf <<EOF
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# blacklist stock module
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blacklist 88XXau
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blacklist 8812au
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blacklist rtl8812au
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blacklist rtl88x2bs
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EOF"
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git clone -b v5.2.20 https://github.com/svpcom/rtl8812au.git
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cd rtl8812au/
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sudo ./dkms-install.sh
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---------------------------------------------------------------------
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reboot device
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TODO: or figure out how to load the driver without a full reboot
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----------------------------------------------------------------------
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WFB-ng installation
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find wifi device name using iwconfig and substitute it for $WLAN in the script install
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git clone -b stable https://github.com/svpcom/wfb-ng.git
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cd wfb-ng
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sudo ./scripts/install_gs.sh $WLAN
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after install:
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sudo systemctl enable wifibroadcast
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then
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sudo nano /etc/wifibroadcast.cfg
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change the channel to match the vtx
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change the region from 'BO' to '00'
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Copy drone.key from the wfb-ng directory to the vtx's /etc directory
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example using scp, replace x.x.x.x with the camera's ip address
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scp drone.key root@x.x.x.x:/etc
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Make sure gs.key was automatically put in /etc on the VRX side
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ls /etc/gs.key
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---------------------------------------------------------------------
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reboot device again
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----------------------------------------------------------------------
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test the connection:
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on the groundstation run
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sudo systemctl enable wifibroadcast@gs
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sudo systemctl start wifibroadcast@gs
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wfb-cli gs
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Plug in the camera and watch the packets come in, xlost should stay near zero while xrecv should go up
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-----------------------------------------------------------------
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graphical environment for gstreamer playback
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sudo apt install xorg
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sudo apt install --no-install-recommends lightdm-gtk-greeter
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sudo apt install --no-install-recommends lightdm
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sudo apt install --no-install-recommends openbox
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sudo nano /etc/lightdm/lightdm.conf
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insert:
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[Seat:*]
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autologin-user=ubuntu
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xserver-command = X -nocursor
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------------------------------------------------------------------------------------------------------------------------------------
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TODO:
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At this point, reboot and you will have to login with a keyboard at least once, but after it will auto login the ubuntu user to an openbox session with no cursor
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-----------------------------------------------------------------------------------------------------------------------------------
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let's set the desktop wallpaper and write some startup scripts
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sudo apt install libimlib2-dev libx11-dev libxinerama-dev pkg-config make
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git clone https://github.com/himdel/hsetroot.git
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cd hsetroot
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make
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sudo make install
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Save your desired background image to /home/ubuntu/desktop.png
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a script to set the display resolution to 1280x720
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sudo nano /home/ubuntu/setdisplay.sh
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insert:
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#/bin/bash
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export DISPLAY=:0
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if [[ $(xrandr | awk '/HDMI-1/ {print $2}') == "connected" ]]; then
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xrandr --output HDMI-1 --mode 1280x720
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fi
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if [[ $(xrandr | awk '/HDMI-2/ {print $2}') == "connected" ]]; then
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xrandr --output HDMI-2 --mode 1280x720
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fi
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exit 0
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a script to start/stop the video stream and save DVR to the ~/Videos directory
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note: This script relies on a push button connected between pin 5 and GND. You will have to install one for this to work.
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sudo nano /home/ubuntu/dvr.sh
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insert:
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#!/bin/bash
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export DISPLAY=:0
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xset s off -dpms
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GPIO_PIN=5
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RUNNING=0
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gpio mode $GPIO_PIN up
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cd /home/ubuntu/Videos
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while true; do
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if [ $(gpio read $GPIO_PIN) -eq 0 ]; then
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if [ $RUNNING -eq 0 ]; then
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current_date=$(date +'%m-%d-%Y_%H-%M-%S')
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gst-launch-1.0 -e udpsrc port=5600 caps='application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H265' ! rtph265depay ! h265parse ! tee name=t ! queue ! mppvideodec ! videoconvert ! autovideosink sync=false>
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RUNNING=$!
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else
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kill $RUNNING
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RUNNING=0
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fi
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sleep 0.2
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fi
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sleep 0.1
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done
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Finally:
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sudo nano /etc/xdg/openbox/autostart
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add:
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bash /home/ubuntu/setdisplay.sh
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hsetroot -cover /home/ubuntu/desktop.png &
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sudo /home/ubuntu/dvr.sh &
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