用户您好，请详细描述您所遇到的问题。
1.硬件获取渠道：金脉J5
2.当前系统镜像版本：rel-j5-cs-v1.0-LNX5.10_REL_CS_PL3.0_2022081004
3.当前天工开物版本：horizon_j5_open_explorer_v1.1.40-py38_20230210
4.问题定位：
5.开发的demo/案例：unittest/bpu_test
6.需要提供的解决方案：
我想问问bsp中有与bpu相关的文档嘛，包括hbdk，hobot？bsp中关于bpu的api与天工开物中bpu的api各有什么用处？区别是什么。谢谢
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