Flashing using dfu-util reports invalid status

[vshymanskyy]

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DFU state(7) = dfuMANIFEST, status(0) = No error condition is present
DFU state(2) = dfuIDLE, status(0) = No error condition is present
Done!
Resetting USB to switch back to Run-Time mode
*** [upload] Error 251
========================== [FAILED] Took 12.62 seconds ==========================

Environment    Status    Duration
-------------  --------  ------------
portentaC33    FAILED    00:00:12.620

Clearly, the device was flashed correctly.
@maxgerhardt The reason for this is the dfu-util -R flag, which for some reason exits with code 251.

[maxgerhardt]

I thought I could get away with PlatformIO's built-in dfu-util version and -R instead of the original Arduino IDE one with -Q, but apparently this doesn't work on all systems or with the Portenta C33. Magically it works fine on my Windows 10+ Uno R4 Minima board.

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Download done.
DFU state(7) = dfuMANIFEST, status(0) = No error condition is present
DFU state(2) = dfuIDLE, status(0) = No error condition is present
Done!
Resetting USB to switch back to Run-Time mode
Delaying 2s for USB serial enumeration...
======= [SUCCESS] Took 17.28 seconds =======

I'll switch the platform to use the same dfu-util version and use -Q shortly.

[maxgerhardt]

I've pushed d4bd5d2 (and 8c4f72f, woops) to fix this. It behaves the same still on Windows for me.

Can you open a PlatformIO core CLI -> pio pkg update -g -p renesas and then try uploading to the Portenta C33 again? Does it work this time?

[vshymanskyy]

Environment    Status    Duration
-------------  --------  ------------
portentaC33    SUCCESS   00:00:14.826