Arduino for STM32

Thank you for your advice and helpful hints!

[Update, see below!]

I got the ST-Link V2 today and am somewhat further, but not much to the better.

I was able to upload the HID 2.2 bootloader with ST-Link, but could not upload more that a single sketch the first time I tried it. All further attemps were resulting in

Searching for [1209 ...

Since you are on Windows, see if you can get the Flasher-STM32 application working with a serial-usb connection.
See https://www.st.com/en/development-tools/flasher-stm32.html for the program and https://youtu.be/wGbiT6IxGP0?t=257 for an example of using it.


Do you know that Caleb did an update ...

By the way: the vendor responded. They asked me to report if the ST-Link has worked as soon as I got it and the source markings they have printed on the packages I received to find out their provider responsible. They confirmed I will get full refund anyway.

I am not at the PC anymore, but I think it was "Cube Programmer (Serial)".

Compile was no problem, but the upload failed with the very same error. No wonder, since Arduino IDE uses Cube Programmer for it

Juraj wrote: Wed Jul 15, 2020 9:39 am you do upload from IDE? what are your Tools menu settings?

No, not yet. I am just using ST Cube Programmer at the moment, as I had the first error messages in the Arduino IDE (with the most recent core installed etc.) and then tried to reduce the impacts of other software.

I used both water and acetone and after both "treatments" the writing withstands.

Thanks, I will do that. I contacted the vendor for an explanation - we will see how they react. Is it possible to tell fake boards from the chip? Mine look like this:

Did that as well, out of curiosity... No change, unfortunately.