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sensors:rgbdcamera [2025/08/28 11:31] clohr |
sensors:rgbdcamera [2025/08/28 13:44] (current) clohr [SR300] |
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| - The "native" backend is a Linux kernel driver. It is therefore very dependent on the kernel to run (the latest one (I wrote this in Sept. 2025) is for Linux 6.8.0, the one for legacy Realsense devices is for Linux 4.4) | - The "native" backend is a Linux kernel driver. It is therefore very dependent on the kernel to run (the latest one (I wrote this in Sept. 2025) is for Linux 6.8.0, the one for legacy Realsense devices is for Linux 4.4) | ||
| - | - The "libuvc" backend uses the standard uvc+hit kernel drivers and do the job in userland via the standard libuvc library. It is probably less efficient (latency), but it is much more flexible and mostly independent of Linux kernel version. | + | - The "libuvc" backend uses the standard uvc+hid kernel drivers and does the job in userland via the standard libuvc library. It is possibly less efficient (latency), but it is much more flexible and mostly independent of Linux kernel version. |
| So, the idea is to compile librealsense v2.50.0 with the libuvc backend. The following is freely adapted from libuvc_installation.sh (https://github.com/IntelRealSense/librealsense/blob/master/scripts/libuvc_installation.sh#L35-L39) | So, the idea is to compile librealsense v2.50.0 with the libuvc backend. The following is freely adapted from libuvc_installation.sh (https://github.com/IntelRealSense/librealsense/blob/master/scripts/libuvc_installation.sh#L35-L39) | ||
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| * Compile & Install | * Compile & Install | ||
| - | wget https://github.com/IntelRealSense/librealsense/archive/refs/tags/v2.54.2.tar.gz | + | wget https://github.com/IntelRealSense/librealsense/archive/refs/tags/v2.50.0.tar.gz |
| - | tar xvf v2.54.2.tar.gz | + | tar xvf v2.50.0.tar.gz |
| cd ./librealsense-2.50.0 | cd ./librealsense-2.50.0 | ||
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| sudo udevadm control --reload-rules && sudo udevadm trigger | sudo udevadm control --reload-rules && sudo udevadm trigger | ||
| + | sudo apt-get install -y git cmake libssl-dev freeglut3-dev libusb-1.0-0-dev pkg-config libgtk-3-dev | ||
| mkdir build && cd build | mkdir build && cd build | ||
| cmake ../ -DFORCE_LIBUVC=true -DCMAKE_BUILD_TYPE=release | cmake ../ -DFORCE_LIBUVC=true -DCMAKE_BUILD_TYPE=release | ||
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| - | * Test | + | * Test |
| rs-enumerate-devices | rs-enumerate-devices | ||
| realsense-viewer | realsense-viewer | ||
| - | + | * Tips: In case compilation fails on some non-essential SDK functionnalities, try to add one or several of the following compilation options on the cmake command line: `-DCHECK_FOR_UPDATES=OFF` `-DBUILD_EXAMPLES=OFF` `-DBUILD_TOOLS=OFF` | |
| - | + | ||
| - | + | ||