RT-Thread-N32L40XCL-STB 开发板模块评测任务大挑战如何手工添加.pack包解决下载报错问题RT-Thread问答社区

N32L40XCL-STB 开发板模块评测任务大挑战如何手工添加.pack包解决下载报错问题

发布于 2023-04-19 15:25:53 浏览：386 订阅该版

[tocm]

在用rtthread studio创建工程后，编译不报错。在下载时报pyocd找不到包的的错误，具体如下：

```c
开始下载程序：2023-04-19 14:56:57
D:\RT-ThreadStudio>cd /d D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.6 
D:\RT-ThreadStudio\repo\Extract\Debugger_Support_Packages\RealThread\PyOCD\0.1.6>pyocd.exe flash --target=N32L406CB --erase=auto --frequency=1000000 D:\RT-ThreadStudio\workspace\N32L40_CAN\Debug\rtthread.bin 
0000672 W Overlapping memory regions in file ./packs/Keil.STM32L4xx_DFP.2.3.0-small.pack (STM32L412C8Tx); deleting outer region. Further warnings will be suppressed for this file. [cmsis_pack]
0000882 C Target type n32l406cb not recognized. Use 'pyocd list --targets' to see currently available target types. See <https://github.com/pyocd/pyOCD/blob/master/docs/target_support.md> for how to install additional target support. [__main__]
[2mTraceback (most recent call last):
  File "pyocd\board\board.py", line 100, in __init__
KeyError: 'n32l406cb'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "pyocd\__main__.py", line 161, in run
  File "pyocd\subcommands\load_cmd.py", line 92, in invoke
  File "pyocd\core\helpers.py", line 263, in session_with_chosen_probe
  File "pyocd\core\session.py", line 213, in __init__
  File "pyocd\board\board.py", line 106, in __init__
pyocd.core.exceptions.TargetSupportError: Target type n32l406cb not recognized. Use 'pyocd list --targets' to see currently available target types. See <https://github.com/pyocd/pyOCD/blob/master/docs/target_support.md> for how to install additional target support.[0m
执行完毕, 耗时：1510ms.
```
经查找查看报错信息，提示pyocd在下载时找不到.pack包。

# 解决方法
1、在国民技术的资料包的目录：H:\N32L40XCL\N32L40xxx_V2.1.0\6-软件开发套件(Software Development Kit)下面有.pack包：

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230419/3c80ef54029ab6f38d94e2548ef91cb8.png.webp)
2、找到pyocd目录下面，把包拷贝到指定目录，如下图：

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230419/046bd26de5bf5aa8b95ee9713e6e51ad.png.webp)
3、把包的信息添加到pyocd.yaml文件里面：

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230419/4a6a4ba2b77023077398948431003ddd.png.webp)

最后就可以顺利下载程序了

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230419/41419d951bc59ea86b45cc4670db1aa6.png.webp)
#【总结】
**rtthread在错误提示方面非常优秀，经查看错误日志，根据提示，很快就解决问题。**