通过添加firefly的源对rk3399pro EVB板进行NPU-drv进行更新

手里的rk3399pro板子是EVB板，技术支持给出只能通过重新安装系统才能更新npu-driver的方案，由于板子上已经安装很多软件，不想重装系统啊啊啊，这个问题放置一周后，偶然得知可以通过添加firefly的源对rk3399pro EVB板进行NPU-drv进行更新，测试了一下，果然可以，感谢RKNN交流群里的大佬，下面记录一下更新步骤：

1、sudo apt-key add trusted.gpg
2、增加firefly的源http://wiki.t-firefly.com/firefly-rk3399-repo bionic main
3、apt update（etc/apt/source.list）
4、apt-get install firefly-3399pronpu-driver

如果step4出现下面信息,就说明安装成功

root@linaro-alip:/home# apt-get install firefly-3399pronpu-driver
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  firefly-3399pronpu-driver
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 38.7 MB of archives.
After this operation, 62.9 MB of additional disk space will be used.
Get:1 http://wiki.t-firefly.com/firefly-rk3399-repo bionic/main arm64 firefly-3399pronpu-driver arm64 1.6.0 [38.7 MB]
Fetched 38.7 MB in 2min 21s (275 kB/s)                                                  
Selecting previously unselected package firefly-3399pronpu-driver.
(Reading database ... 80014 files and directories currently installed.)
Preparing to unpack .../firefly-3399pronpu-driver_1.6.0_arm64.deb ...
Unpacking firefly-3399pronpu-driver (1.6.0) ...
Setting up firefly-3399pronpu-driver (1.6.0) ...
Created symlink /etc/systemd/system/local-fs.target.wants/npu-S11.service → /lib/systemd/system/npu-S11.service.

安装结束后，重启板子可以查看DRV的版本（成功更新至1.6版本）

最后

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