Failed to start debugging with CMSIS-DAP@PyOCD on FRDM-KL25Z in Keil Studio

Hi everyone,

I have a simple blinky project that was originally developed in Keil µVision 5. I exported the project to Keil Studio and selected my board as FRDM-KL25Z.

When I connect the board and try to debug, I get the following error:

Failed to start debugging with configuration "CMSIS_DAP@PyOCD(launch)"

The project builds successfully, but debugging does not start.

Has anyone experienced this issue? Do I need to update the DAPLink firmware, or is there any specific configuration required in launch.json or Keil Studio settings for FRDM-KL25Z?

Any help would be appreciated. Thanks!

Top replies

Reinhard Keil 1 month ago +1

Are you already using the Arm CMSIS Solution extension v1.60.0? Where is the error shown? Do you get other messages before? Could you check using the CMSIS View ... menu command "Target Information" (or...

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0 Reinhard Keil 1 month ago

Are you already using the Arm CMSIS Solution extension v1.60.0?

Where is the error shown? Do you get other messages before?

Could you check using the CMSIS View ... menu command "Target Information" (or enter pyOCD list).
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0 Reinhard Keil 1 month ago

Are you already using the Arm CMSIS Solution extension v1.60.0?

Where is the error shown? Do you get other messages before?

Could you check using the CMSIS View ... menu command "Target Information" (or enter pyOCD list).
Cancel
Vote up +1 Vote down

Reply

Accept answer

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