cd /opt
wget https://github.com/FreeRTOS/FreeRTOS/releases/download/202212.01/FreeRTOSv202212.01.zip
unzip FreeRTOSv202212.01.zip

cd /opt
wget https://github.com/FreeRTOS/FreeRTOS-LTS/releases/download/202210.01-LTS/FreeRTOSv202210.01-LTS.zip
unzip FreeRTOSv202210.01-LTS.zip

cd /opt
git clone --recurse-submodules https://github.com/FreeRTOS/FreeRTOS

cd /opt
git clone --recurse-submodules https://github.com/FreeRTOS/FreeRTOS-Kernel

cd /opt
git clone --recurse-submodules https://github.com/raspberrypi/FreeRTOS-Kernel FreeRTOS-Kernel.rpi

git pull --recurse-submodules

Documentation

STM32 LPTIM Tickless Idle