Unable to set any valid breakpoints for debugging

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Allen Lau
Hi,bro
My application will compile and go to debug mode but wherever I set a breakpoint it has the red dot with a question mark in it meaning invalid breakpoint and so they never work... 
 
As far as I can tell, my application is running fine on the hardware as I can communicate with it via serial, so it seems to just be debugging that is not working in this case.  I've tried cleaning the project, removing all breakpoints, re-loading, etc to no avail
 
I opened it with Keil routine, it can debug normally, and I can confirm that my STLink and hardware are OK.
It has been bothering me for three days.
 
Regards,
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    Michael Johnson

    Have you selected a "Debug" configuration for the build?

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    Allen Lau

    • Yes, I can't send screenshots in this. Can I contact you by email？

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    Michael Johnson

    Can you check that the "Debugging Level" property is set?

     

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    Allen Lau

    I checked, "Debugging Level" does not work at either None or Level1.

    I have two projects, the configuration information of "Properities" is exactly the same, one project can be properly debugging, the other is the problem I described above.

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    Michael Johnson

    It shouldn't work at None - try selecting Level 3. You should see -g3 in the compile command line - use "Export Build" to see the command line.

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    Allen Lau

    Now we're making progress. The.s file can breakpoints ,Everything works fine except main.c,But the flash program I wrote in main.c is working fine.

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    Michael Johnson

    Is main.c compiled with a -g option?

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    Allen Lau

    "Error Starting process-g3" is displayed after main.c is configured.

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    Michael Johnson

    I didn't ask you to change anything just report what the "export build" reports. What did you change?

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    Allen Lau

    The same is true for configuration -g "Error Starting process-g"

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    Allen Lau

    I added "-g3" to "External Build" -> "C Compile Command". After compiling, the debugging was still the same, and I changed it back again. At this time, I found that all the breakpoints except "main. C" can be brokenpoingts.  I don't know how to export the contents of the "export build" report.

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    Michael Johnson

    Please remove that.

    Right click on the project and select "Export Build"

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    Allen Lau

    • How should I send it to you? It's over 2M, and I can't send it

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    Michael Johnson

    I don't want  you to send anything - look at it - does the main.c have a -g3 command option.

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    Allen Lau

    I'm sorry, I don't know how to use it. How should I read main.c have a-g3 command option

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    Michael Johnson

    In the file that "Export Build" generates use the text editor to search for main.c and see if the compile command has a -g3 option.

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    Michael Johnson

    Indeed the -g0 option has turned off debugging.

    The project file will have a Debugging Level set to None.

    I use the "Project Explorer" | "Properties In Folder" to see what properties are set. I suggest you do similar.

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    Allen Lau

    Sorry, you said "the Project Explorer" | "Properties In the Folder" I didn't find it.

    How do I know how to use this.

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    Michael Johnson

    On the drop down in the Project Explorer window.

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    Allen Lau

    Hi, Michael 

    I checked all the Settings, main.c still can't breakpoint , other C files can,Istill can't find the problem.

    I still need you to help me with the setup.

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    Allen Lau
    • Edited

    Add another one

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    Allen Lau

    This problem solved, forget to tell the reason here, hope to see the people to help you.

    if  any breakpoints cannot be interrupted, set Debugging Level to Level3.

    Later, except for main.c can not, other can, right click main.c alone set to Level3.

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