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st-link-nano's Introduction

ST-Link-Nano

自制超迷你的ST-Link模块。

跟我之前做的DAPLink基本一致，基于ST-Link V2版本硬件修改而成。没有什么特殊的功能，就是个人使用Clion做STM32开发时，OpenOCD对于ST-Link的支持比DAPLink要好（兼容的芯片型号、下载速度），所以额外又设计了一个下载器。

下载器芯片用的是STM32F103CBT6，带一个虚拟串口功能，可以同时作为ST-Link和USB转串口模块使用，同时带一个U盘下载固件功能。

使用方法

板子上有两个跳线焊盘，分别连接到STM32F103的SWD引脚，以及作为ST-Link时的SWD引脚。所以在焊好之后，先跳线选择到STM32F103的SWD引脚，给STM32下载仓库的Bootloader固件（用STLink-Utility等软件）；之后用ST-LinkUpgrade软件升级即可，可选择（stm32 debug + VCP + MSD）；然后再把跳线跳到另外一边，就可以正常当ST-Link用了。

跳线说明

  • 先按红色的连线跳线，用另一个J-Link或者ST-Link给本板子下载BootLoader
  • 然后跳到蓝色的跳线（保持本板子的USB和电脑的连接），用ST-LinkUpgrade软件升级固件
  • 重新上电即可正常使用（没装驱动的话可以装一下仓库提供的官方驱动），可以在设备管理器看到ST-Link设备和一个COM口

焊接好的实物照片，硬件功能已验证没有问题👇

Enjoy~记得给仓库点星星

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st-link-nano's Issues

Hex firmware

Hi zhihui, I can only use UART1 to download firmware but require firmware in ihex format.
Could you please upload it to this repo?

离线烧录器开源吗

微信图片_20220724230821
大佬关于这个集成了离线下载，can，电压表，逻辑分析仪的小工具，有什么开源的计划吗

[Help] 用CC线无法识别ST-Link,但是USBA-typeC可以正常使用

如题，CC1，CC2口无下拉电阻无法正常供电，添加5.1K下拉电阻后，可以正常供电，但是无法识别到stlink

在实际复刻过程中，为了方便焊接，更改了连接器母座型号，下图为16Pin Type-C母座原理图，其他部分电路与稚晖君的保持一致
image

跳线选择

焊接完同时选择下面两个跳线下载固件，软件更新后选择上面两个跳线使用。即先红后蓝
stlink

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