This repository will no longer be updated. The DispmanX API is no longer supported in recent version of the Raspberry Pi OS.
Program to copy the Raspberry Pi display to a secondary framebuffer.
raspi2fb <options>
--daemon - start in the background as a daemon
--device <device> - framebuffer device (default /dev/fb1)
--display <number> - Raspberry Pi display number (default 0)
--fps <fps> - set desired frames per second (default 10 frames per second)
--copyrect - copy only a rectangle the same size as the dest framebuffer
--rectx <x> - copy rectangle from source fb at <x> in copyrect mode (default 0)
--recty <y> - copy rectangle from source fb at <y> in copyrect mode (default 0)
--pidfile <pidfile> - create and lock PID file (if being run as a daemon)
--once - copy only one time, then exit
--help - print usage and exit
You will need to install cmake
sudo apt-get install cmake
You will need to install libbsd-dev
sudo apt-get install libbsd-dev
mkdir build
cd build
cmake ..
make
sudo make install
sudo cp ../raspi2fb.init.d /etc/init.d/raspi2fb
sudo update-rc.d raspi2fb defaults
sudo service raspi2fb start
sudo make install
sudo cp ../[email protected] /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable [email protected]
sudo systemctl start raspi2fb@1
sudo service raspi2fb stop
sudo update-rc.d -f raspi2fb remove
sudo rm /usr/local/bin/raspi2fb
sudo rm /etc/init.d/raspi2fb
sudo systemctl stop raspi2fb@1
sudo systemctl disable [email protected]
sudo rm /etc/systemd/system/[email protected]
sudo rm /usr/local/bin/raspi2fb