erro:DEV_NO_DEVICE

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Allen Lau

• November 21, 2022 01:24
• Edited

Everything was fine until this error, no configuration, no hardware change, and all of a sudden this.

Possible normal connection.


The erasure was fine, but an error was reported about 1/3 of the way through the download.

At this time, the ST LINK cannot be connected again unless you power it on again.

I've been wondering. I can't figure it out.

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  Michael Johnson

  • November 21, 2022 06:48

  Try setting the "Connect With Reset" target control project property.

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  Allen Lau

  • November 21, 2022 07:19

  The phenomenon is the same.

  I don't understand. Nothing is configured, and all of a sudden this happens.

  After I uninstalled and reinstalled it still didn't work.

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  Allen Lau

  • November 21, 2022 07:20

  And the project I backed up, it's not working anymore.

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  Allen Lau

  • November 21, 2022 07:29

  

  The error message in the lower left corner seems to be different.

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  Michael Johnson

  • November 21, 2022 08:00

  Can you show the project properties dialog that you set "Connect With Reset" with?

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  Michael Johnson

  • November 21, 2022 08:20

  Connect With Reset is set to No - set it to Yes.

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  Allen Lau

  • November 21, 2022 08:21

  

  Is this it?

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  Michael Johnson

  • November 21, 2022 08:22

  Yes

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  Allen Lau

  • November 21, 2022 08:22

  I just gave you the wrong picture, and I'll change it back to NO later, but it doesn't work to set YES at the beginning

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  Michael Johnson

  • November 21, 2022 08:38

  Is the reset line connected on your board?

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  Allen Lau

  • November 21, 2022 08:42

  

  The reset line is connected.

   

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  Michael Johnson

  • November 21, 2022 08:44

  I'm out of ideas - give the ST-Link software a try.

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  Allen Lau

  • November 21, 2022 08:53

  Ok, thanks for your help

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  Allen Lau

  • November 22, 2022 01:18

  Let me ask you one more question.

  

  Do I need to configure anything with Jlink?

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  Michael Johnson

  • November 22, 2022 07:16

  Shouldn't need to which Jlink dll version did you install?

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