realsense升级固件（多次实测有效）

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参考文档：

https://www.intel.com/content/dam/support/us/en/documents/emerging-technologies/intel-realsense-technology/RealSense-D400-Series-Spec-Update.pdf

https://www.intel.com/content/dam/support/us/en/documents/emerging-technologies/intel-realsense-technology/Linux-RealSense-D400-DFU-Guide.pdf

下载更新文件：

https://downloadcenter.intel.com/download/28377/Latest-Firmware-for-Intel-RealSense-D400-Product-Family

1、echo 'deb http://realsense-hw-public.s3.amazonaws.com/Debian/apt-repo xenial main' | sudo tee /etc/apt/sources.list.d/realsense-public.list.save

2、sudo apt-key adv --keyserver keys.gnupg.net --recv-key 6F3EFCDE

3、sudo apt-get update

4、sudo apt-get install intel-realsense-dfu*

5、此处下载上面的更新文件，解压找到bin文件

https://downloadcenter.intel.com/download/28377/Latest-Firmware-for-Intel-RealSense-D400-Product-Family

6、lsusb查看usb信息

Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 003 Device 002: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 003 Device 014: ID 8086:0ad6 Intel Corp.
Bus 003 Device 011: ID 2019:ed17 PLANEX GW-USValue-EZ 802.11n Wireless Adapter [Realtek RTL8188CUS]
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

7、intel-realsense-dfu -b 003 -d 014 -f -i /home/suns/Workspace/zz/Signed_Image_UVC_5_10_13_0.bin

-b -d后接的是对应的Bus和Device号，每个人都不一样，不会看的话，最笨的方法就是都试一遍