ULINK2 USB电脑无法识别(连接电脑后，设备管理器显示未知设备)

佚名 6年前 (2019-04-24) 随笔 1309人围观抢沙发百度已收录

ULINK: No ULINK Device Found

Information in this knowledgebase article applies to:

MDK-ARM V4.70 and later versions
MDK-ARM V5 -- All versions

QUESTION

I just updated my MDK-ARM to V4.70 (or later version), and ULINK2 downloads and debugs OK using that version. But I also have an older version of MDK on my PC and now I can no longer download using ULINK2 with the older version. How can I correct this?

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ANSWER

You need to reconfigure your ULINK2 adapter. To do this:

Connect your ULINK2 to your PC. Do not connect it to a target board.
Open a DOS command window.
Assuming you installed MDK V470 (or later version) at C:\Keil, run the following case sensitive command:
```
C:\Keil\ARM\ULINK\Utilities\UL2_Configure.exe B0
```
If you installed V470 (or later version) in another location, replace C:\Keil with your installation path.
Note: The last two characters are "B[zero]" NOT "B[capital O]"

You should see:

Disconnecting from ULINK ...........
Connecting ULINK Loader....................................
Updating configuration ...
Configuration Updated!
Disconnecting ULINK Loader ..........

Now ULINK2 should work with V4.70 (and later versions) and your older version.