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CCS/MSP430I2041: Slow debug speed over SBW

Linus Kerk1
Prodigy 200 points
Part Number: MSP430I2041
Other Parts Discussed in Thread: MSP-EXP430F5529LP

Tool/software: Code Composer Studio

Hi,

when debugging over SBW using medium speed, it is extremely slow. After a hard reset, it takes 5 minutes to get to main.

I can see the LED on the ez-FET Lite blinking during this time indicating it is communicating with CCS.

Is this normal? 

Linus

  • 0
    TI__Mastermind 43580 points

    Hello Linus,

    No, this is not normal behavior.  Can you describe your hardware setup first?  Are you using the eZ-FET lite from a launchpad to program a custom MSP430I2041 board?

    What version of CCS are you using?  I am also curious if this could possibly be an issue related to the PC that CCS is running on.  Are you able to test with another PC and verify the same result?  

  • 0 in reply to Eddie LaCost
    Prodigy 200 points

    Hi Eddie,

    The target board is a custom board but largely based on https://www.ti.com/tool/EVM430-I2040S

    I am only able to run the SBW at medium speed due to the capacitor at the TDIO pin. I can reduce that capacitor to make it run at fast mode but 5 minutes sounds excessive even for slow mode.

    I was able to program the chip using SBW and the code runs well. I know because of LED operations.

    I am using the ex-FET Lite on the   MSP-EXP430F5529LP

     CCS Version : 10.0.0.00010 

    At this moment I don't have access to another PC. I will try when i get to.

  • 0 in reply to Linus Kerk1
    TI__Mastermind 29105 points

    Hey Kerk,

    On My PC currently, I have CCS v9.3 but I'm using the ex-FET on the F5529 LP and the EBM430-I2040S.   I have SBW set to the default, medium speed. 

    When I debug basically any of my projects, It's loaded and I'm in main in <10 seconds.  I tested with both a very basic "blink LED" example here and my own project I've been working on which is about 6-7kB.     

    It does sound like an issue related to the PC, possibly either the USB port or the driver.  Can you try a different port?  how does the EZ-FET present in your device manager?  

    Can you also share your MSP430 tool driver versions from CCS?  (Go to help -> About CCS:  Click on installation details and search "msp"     Attach a screenshot so we can see what is installed.) 

    Thanks,

    JD

  • 0 in reply to JD Crutchfield
    Prodigy 200 points

    Hi JD,

    Thanks for trying out.

    I managed to get debugging to work smoothly once I downgrade to CCS 9.3. Because I cannot simply downgrade the project created by 10.0 I had to re-create the project. So, I am not really sure if the version made a difference or if re-creating the project solved the problem.

    I am running a little late on schedule so I will settle for 9.3 for now. 

    To answer your question for 10.0 Below is the screen capture of the versions and window device manager. I am running on Windows 10.

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