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MSP430G2955: Expressions window - Continuous Refresh - does this mean...?

Neil Peers
Prodigy 60 points
Part Number: MSP430G2955


Tool/software:

I am relatively new to using CCS (v. 12.5.0.0007) for a MSP430 project.

In Debug mode I can pause the run and see values of the variables I want to see in the Expressions Window.

There is an option for Continuous Refresh Interval.

I took that to mean that by setting this value the variables I want to keep track off would update  automatically wihtoug my having to pause the debug run but it doesn't do that, or indeed anything.

Is my assumption correct about what it is supposed to do? If not, what does it mean?

If my assumption is correct, how do I get it to do what it supposed to do, or if not is there a way to get to see the variables in "real time" ?

Many thanks

  • 0
    TI__Mastermind 29105 points

    Hey Neil,

    Yes, if you turn on continuous refresh then the variable will update based on that interval in the expressions window.  To turn it on, you need to click the continuous refresh button.  I just tested on an MSPM0 in CCS12.7.1 and it's working as expected.

    Here is the button:

    Please try it again and let me know if you got it working.  

    Thanks,

    JD

      

  • 0
    Prodigy 60 points

    HI JD

    Thank you for the reply.

    Still no success at this end, I have updated to 12.7 just in case but it made no difference.

    All I get  is "could not read 0x<address> : execution state prevented access." for all the variables, all of which are resolved if I pause the program.

    Is there something else I need to set to get this to work?

    Thanks

    Neil

    PS I've tried to add a screenshot in png, bmp and jpg but "the file is not allowed to be inserted".

  • 0 in reply to Neil Peers
    TI__Mastermind 29105 points

    Hey Neil,

    When I see that error, it's usually a probably of variable scope.  I tested with a global variable.  Maybe you are using a local variable and so it can't always be read?  Can you try a global variable?

    Thanks,

    JD

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