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Original question:

Couldn't find any connected USB FETs when using MSP430 Flasher v1.3!

MSP-EXP430G2ET: Cannot find any connected USB FETs when using MSP430 Flasher v1.3

Alberto Michelena
Prodigy 10 points
Part Number: MSP-EXP430G2ET
Other Parts Discussed in Thread: TCA6424A, MSP430G2553, IO-EXPANDER-EVM

Tool/software:

Hello, 

I have the MSP-EXP430G2ET EVM (with the MSP430G2553 populated) and the IO-EXPANDER-EVM. I've been following the instructions on the IO-EXPANDER-EVM User Guide (SLVUA59A) to test the TCA6424A.
When I run the IO Expander Flash.bat, I get the following cmd window:

Programing IO_Expander.txt into MSP430G2553 ......
* -----/|-------------------------------------------------------------------- *
* / |__ *
* /_ / MSP430 Flasher v1.3.0 *
* | / *
* -----|/-------------------------------------------------------------------- *
* Evaluating triggers...done
* Checking for available FET debuggers:
* Couldn't find any connected USB FETs!
# Exit: 11
# MSP DebugStack not initialized
* Starting target code execution...done
* Disconnecting from device...done
*
* ----------------------------------------------------------------------------
* Driver : closed (MSP DebugStack not initialized)
* ----------------------------------------------------------------------------
*/

--------------------------------------------------------------------------------------------

When I check the COM ports, all I see is this:


and I don't see the "MSP430 Application UART" port as shown in the IO Expander EVM User Guide. 

I've tried running the files as administrator and that didn't work. 
I installed CCS but the MSP-EXP430G2ET is not listed in CCS. 

Please advice on what to do to get the microcontroller working. 
Let me know if further information is needed. 
Thanks

  • 0
    TI__Mastermind 38705 points

    You can try to install the level driver 

    MSP430_FET_Drivers 1_0_1_1 - TI.com 

  • 0
    Prodigy 10 points

    Figured out the issue. 

    1. Needed to install the latest USB low-level drivers and latest MPSFlasher file (v. 1.3.19)
       NOTE: the flasher file that comes with the IO Expander SW/FW package is outdated. The cmd window kept popping up an error about Vcc due to this. 

    2. Re-run the .bat file and follow the prompts on the cmd window to update the MSP bootloader. 

    3. A warning may pop up about discrepancies between the "selected" and "found" device. For me, they were the same device with a PN written slightly differently so I continued with the process. 

    After a while, I was able to successfully flash the microcontroller and confirmed the IO Expander GUI worked with the IO Expander EVM attached to the MSP LaunchPad. 

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