# rknn-toolkit2

`RKNN-Toolkit2` is a development kit that provides users with Rockchip NPU model conversion, inference and performance evaluation on PC platform  

```eval_rst
.. hint:: Please download the source code before reading this section. 
```

The directory structure as follow:

```shell
edge/external/rknn/rknn-toolkit2$ tree -L 1
.
├── doc
├── examples
├── LICENSE
├── packages
└── rknn-toolkit-lite2
```

The development documents in `external/rknn/rknn-toolkit2/doc` directory.

```shell
edge/external/rknn/rknn-toolkit2/doc$ tree -L 1
.
├── changelog-1.2.0.txt
├── requirements_cp36-1.2.0.txt
├── RKNNToolKit2_OP_Support-1.2.0.md
├── Rockchip_Quick_Start_RKNN_SDK_CN-1.2.0.pdf
├── Rockchip_Quick_Start_RKNN_Toolkit2_CN-1.2.0.pdf
├── Rockchip_Quick_Start_RKNN_Toolkit2_EN-1.2.0.pdf
├── Rockchip_User_Guide_RKNN_Toolkit2_CN-1.2.0.pdf
├── Rockchip_User_Guide_RKNN_Toolkit2_EN-1.2.0.pdf
└── RRKNNToolKit2_API_Difference_With_Toolkit1-1.2.0.md
```

```eval_rst
.. attention:: Please read the document under doc directory first! and related examples refer to the examples source code.
```

# rknn-toolkit-lite2

`RKNN Toolkit Lite2` provides a python programming interface for Rockchip NPU platform to help users deploy and use RKNN models exported from `RKNN-Toolkit2`.  

```eval_rst
.. hint:: Please download the source code before reading this section.
```
`RKNN Toolkit Lite2` development documents saved in `external/rknn/rknn-toolkit2/rknn-toolkit-lite2/doc` directory.

```shell
edge/external/rknn/rknn-toolkit2/rknn-toolkit-lite2/doc$ tree -L 1
.
├── change_log.txt
├── Rockchip_User_Guide_RKNN_Toolkit_Lite2_V1.2.0_CN.pdf
└── Rockchip_User_Guide_RKNN_Toolkit_Lite2_V1.2.0_EN.pdf
```

The whl package of `RKNN Toolkit Lite2` has been pre-installed in Toybrick Debian11 system.

Execute the following command as a normal user `toybrick` to upgrade to the latest version.

```sh
pip3 install --user --upgrade rknn-toolkit-lite2
```

# rknpu2

`rknpu2` provides C programming interface for chip platform with Rockchip NPU, and helps users deploy the RKNN models export from  `RKNN-Toolkit2` .

```eval_rst
.. hint:: Please download the source code before reading this section.
```
The directory structure as follow:

```shell
edge/external/rknn/rknpu2$ tree -L 1
.
├── doc
├── examples
├── LICENSE
├── README.md
├── rknn_server_proxy.md
├── rknpu.mk
└── runtime
```

`rknpu2`  development documents saved in  `external/rknn/rknpu2/doc` directory.

```shell
edge/external/rknn/rknpu2/doc$ tree -L 1
.
├── Rockchip_Quick_Start_RKNN_SDK_V1.2.0_CN.pdf
├── Rockchip_RKNPU_User_Guide_RKNN_API_V1.2.0_CN.pdf
└── Rockchip_RKNPU_User_Guide_RKNN_API_V1.2.0_EN.pdf
```
```eval_rst
.. attention:: Please read the document under doc directory first! and related examples refer to the examples source code.
```
`rknpu2` development package has been pre-installed in Toybrick Debian 11 system.

Execute the following command to upgrade to the latest version.

```shell
sudo apt update
sudo apt -y upgrade
```