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Wow, that was fast! Tomorrow my blue pill will arrive, I will test it as soon as it comes.

Thank you very much megavolt85!

Hi megavolt85,
it didn't work for me, maybe it is because I don't have the SPI memory connected, it will take a couple of days to arrive, I've checked if the code was correctly uploaded to the Blue Pill and it was, tested with an STM32 and a CS32 clone as well.


I will try again when the SPI memory arrives.

no, everything should work without SPI memory
check if the controller is displayed in the BIOS?

No, the controller is not available on the file menu, maybe something is wrong with the cable I'm using.

maybe the problem lies elsewhere
before sending a response, a delay of at least 50 nanoseconds is needed, I did not make this delay because polling a controller is always longer, but now I do not need to poll another controller, and polling buttons is less than fifty nanoseconds
I updated the attachment in my previous post, test the updated firmware

Definitely a problem on my side, I've tested the latest firmware you've attached and the firmware from the first post and it is still not visible, so I will test with another cable.

Hi again megavolt85, sorry for the spam.

I've got the SPI memory but of course I don't know if it is working, I've tested the latest firmware with a new cable I've used before with a DC controller, the cable works fine with the DC controller.

I tried multiple pills even with the CH32 clone, no luck, I will try to check with a borrowed oscilloscope just to be sure nothing is wrong, my DC is a japanese Ugo Denshi version, just in case it matters.

I've soldered the SPI memory with your specs but I'm unable to test it currently. Maybe something is wrong with my Blue Pills, it is difficult to check if it is a clone or a real one, but I've seen on this thread pics some clones working.

Is your dreamcast overclocked?

megavolt85 wrote:Is your dreamcast overclocked?

I don't think so, I've bought it second hand so I'm not sure if the previous owner overclocked it.

second led blink?

the controller was always in USB mode
fixed and updated the firmware in the last post, redownload