Portenta H7 + Vision Shield | OpenMV dfu-util code 74

Arduino Boards
1

Hi

I got a problem when trying to use the portenta h7 on OpenMV IDE.
I’m new to this so I’m not quite sure what to do. I have looked quite a bit on the internet but didn’t find anything that helped me.
What i have done is update the bootloader via the arduino IDE. Then i connect in the OpenMV IDE and by doing the “install the lastest release firmware (v.4.3.2)”, i get the following error.

I’m stuck there…
Does anyone know what to do?

Thanks in advances

C:\Program Files (x86)\OpenMV IDE\share\qtcreator\dfu-util\windows\dfu-util.exe -w -d ,2341:035b -a 1 -s 0x90F00000 -S 003200353130510730343339 -D C:\Users\xelabgon\AppData\Roaming\OpenMV\qtcreator\firmware\CYW4343\cyw4343.bin

dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2020 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

Waiting for device, exit with ctrl-C
Opening DFU capable USB device...
ID 2341:035b
Run-time device DFU version 011a
Claiming USB DFU Interface...
Setting Alternate Setting #1 ...
Determining device status: state = dfuIDLE, status = 0
dfuIDLE, continuing
DFU mode device DFU version 011a
Device returned transfer size 4096
DfuSe interface name: "External Flash   "
Downloading to address = 0x90f00000, size = 426096

Erase   	[                         ]   0%            0 bytes
Invalid DFU suffix signature
A valid DFU suffix will be required in a future dfu-util release!!!
Cannot open DFU device 2341:035b
Device stuck after special command request
2

Huh, normally you don’t need to update the bootloader via the Arduino IDE.

Does the thing still work with Arduino? We’re just using DFU-UTIL. So, it’s not really our IDE. That’s the bootloader program from Arduino. We haven’t updated our DFU-Util program though in a while. Maybe it’s now not compatible?

Can you verify the board still works with Arduino and then ask if they updated their dfu-util program?

3

It works with arduino still. I did a test of motion detection and it work fine.
Im gonna check with arduino if they did an update. Might take some time for an answer

4

Found the solution.
It was kind of my fault.

I had to install the lastest version of arduino IDE. Mine was still 1.8.13 from 2020.
Now with the new version, i updated the bootloader of the portenta h7 lite.
After this, i reopen openMV and its working.

Thanks

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