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''unknown device'' error in ST Link Utility

manuel239955_stm1_st
Associate II
Posted on November 27, 2015 at 10:52

When I try to target->connect in ST Link Utility I have an error ''unknown device'' with disco L4, disco F7 and nucleo L4.

With nucleo L0, the connection is good, but I have the message ''Device family : unknown device''.

With disco F0, disco F3 and disco F4 it's OK.

The PC is Windows7 64 bits, the USB driver is up to date, and AC6 SW is installed.

On PC Vista 32 bits without AC6, all is OK.

Any idea?
6 REPLIES 6
Nesrine M_O
Lead II
Posted on November 27, 2015 at 11:43

Hi deschamps.manuel.001,

It seems that you are using an old version of the STM32 ST-LINK Utility.

So I suggest you to download the latest version of the software available under this

http://www.st.com/web/en/catalog/tools/FM147/SC1887/PF258168?s_searchtype=keyword

-Syrine-

Posted on November 27, 2015 at 12:08

Or that your application is still using OLD/STALE .DLL files, copy in new STLinkUSBDriver.DLL to replace whatever the app is currently using.

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manuel239955_stm1_st
Associate II
Posted on November 27, 2015 at 12:13

Exact.

Thanks a lot, Syrine.

mikael239955_stm1_st
Associate III
Posted on November 27, 2015 at 17:57

is it rev 3.8 or 3.7 that's the question.

Posted on November 27, 2015 at 22:33

is it rev 3.8 or 3.7 that's the question.

Indeed things speak of 3.8 but 3.7 is offered for download, I really wish ST would get their act together on this, we've forked to 3 different ST-LINK versions at this time, with other resources on mbed pages. I would strongly recommend putting ALL the driver, firmware and utilities on a SINGLE resource page.

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Thanks, it is working now.