notes/RK3568/移远/系统环境配置(NPU).md

### 系统环境配置(NPU)

NPU 文件包含了如下文件：

| 文件                                                          | 描述                                                         |
| ------------------------------------------------------------ | ------------------------------------------------------------ | 
| librknnrt.so                                                 | 运行时库                                                      |
| rknn_api.h                                                   | 头文件                                                     

#### 拷贝文件 librknnrt.so 到 /usr/lib 目录下
```
sudo cp librknnrt.so /usr/lib/
sudo chmod 777 /usr/lib/librknnrt.so
```

#### 创建软链接

``` 
ln -s /usr/lib/librknnrt.so librknn_api.so
```

#### 验证

```
root@rockchip-rk3568-evb:~/works/test# cd libraries/rkapi/
root@rockchip-rk3568-evb:~/works/test/libraries/rkapi# ls
rknn_api.h
root@rockchip-rk3568-evb:~/works/test/libraries/rkapi# ln -s /usr/lib/librknnrt.so librknn_api.so
root@rockchip-rk3568-evb:~/works/test/libraries/rkapi# ll
total 40
drwxr-xr-x 2 root root  4096 Sep 28 05:56 ./
drwxr-xr-x 4 root root  4096 Sep 28 03:03 ../
lrwxrwxrwx 1 root root    21 Sep 28 05:56 librknn_api.so -> /usr/lib/librknnrt.so*
-rw-r--r-- 1 root root 30381 Sep 28 05:11 rknn_api.h
```