About maac

maac · 2024-11-14

Hello everyone,I have an stm32f303cbt6 design (see image below) connected to an hub(USB2533) and an adum for isolation, i'm trying to run a USB device CDC example by creating a new project in the Stm32CubeIDE using device tool configuration. I select...

maac · 2024-12-13

I will give a feedback when i'll try with a dev board.

maac · 2024-12-13

Hello, I'm back to know if you have any idea why a simple USB example can't work looking the schematics i sent knowing that there is a USB fw working on it that i want to change. Thanks.

maac · 2024-11-18

Are you in the company which designed the PCB and/or the original firmware?Yes, the original fw is the current.So you have debug access to the code in CubeIDE, or somesuch? ie, you can step through it, inspect variables, etc?So do that, and then comp...

maac · 2024-11-18

So where has this FW come from?Do you have the source? Do you have debug access? Do you have a contact for support?The engineer who worked on the FW of this PCB.I have the source and i can debug through it software using a sniffer. I can't contact hi...

maac · 2024-11-18

As i said before, the current fw is a Vendor Specific device and it's running(at least it's detected by Windows and the PC software), So i don't think there is a problem in the design. I'm looking to change or get better(i don't know for the moment) ...

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USB device example

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