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CCS/MSP430FR5739: Tried to initialize USB FET number 2, but only found 1 USB FETs

Greg Greenwood
Intellectual 290 points
Part Number: MSP430FR5739


Tool/software: Code Composer Studio

A similar thread was started about 1 year ago but I do not see any resolution.  I have the same problem now and we are line down so a quick resolution is much appreciated.  The specifics of my problem are:

1) Using the EXP-MSP430FR5739 evaluation board

2) trying to update the UUT code last built with CCSV5, now building with the newly installed CCSV7, the debugger throws the error: Tried to initialize USB FET number 2, but only found 1 USB FETs.

3) Loading the demo project for the board works.

4) loading the UUT code with Lite FET-Pro430 works

Anybody know what changed?

  • 0
    TI__Expert 5490 points
    Hello Greg,

    If you only have one USB debugger connected, then you cannot initialize the second. CCS finds the available USB FETs and auto labels 1, 2, 3 and so on, if there is only one USB FET attached then it will be set as USB 1, you cannot force it to be the second as there is no second.

    I am not sure maybe you were doing testing with multiple CCSs open during development, and had one board as USB1 and another as USB2, but saved the project. So the project is looking for USB2 but there isn't a second one connected, so you need to change the project to look for USB 1.

    You can go to the project settings and switch it to USB1 or automatic.

    Thanks,
    Yiding
  • 0 in reply to Yiding Luo
    Intellectual 290 points
    Thank you. Not sure how it got in this state. I only have one debug pod connected ever. To be specific I did not find this in Project>Debug like intuition would suggest. It was found in Project>CCS General in the Device section next to Connection:. Note there is only USB1 [default] and no automatic selection.