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MSP430FR4133 - No unused FET found

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I would really like to get Energia working with the MSP430FR4133 launchpad.

I am running Windows 10 64bit

I have installed drivers using DPInst64.exe

Energia is installed in C:

When I plug in the launchpad to USB, 2 COM ports appear in Windows Device Manager and also show up in the Energia IDE under Tools/Serial Port.

When trying to upload a blink example, I get "No unused FET found."

The Launchpad continues to run its built-in demo program.

Is there some way to tell what I did wrong?

I notice others with this problem just seem to switch to CCS instead of solving it.


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  • 4 weeks later...

Hi! I had the same problem, and that's how I solved it: 


1) Unplug the board from the USB and close the Energia IDE
2) I went here: http://energia.nu/guide/guide_windows/and installed all the drivers. Yes, all of them.

3) Connect your board with the USB cable and go to the device manager. On the section "Ports (COM&LPT)" you should see something like "MSP Application UART1" and "MSP Debug Interface", instead of just "COM3" and "COM4" as it was before

3) Open Energia, select one of the two COM ports and try to upload a blank sketch

4) It should tell you that you need to update the firmware of the board

5) Go to tools -> upgrade programmer and wait until it's done


That's it! Now you should be able to upload sketches to the MSP430FR4133  ;)

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