Products > Test Equipment

Siglent SPD3303X-E Hi-Resolution Output Unlock?

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Jack24044:
Hi Terra, I'm probably missing the attchment you refer to.
I also thought I had to wait for the right firmware to be released, and modified.

Jack24044:
Hi tv84, thanks! You did an incredible reverse engineering job!
Also with the firmware. I think you created software to unpack and pack ADS firmware files, if I understand it correct.
It's nice to see they left room to swap those bytes in the file.  ;D
I'm experienced to work with STM32 controllers, mostly M4, M7, M33, and dual-core types. Chips like STM32F4, STM32F7, STM32H7, and many more.
I also saw SPD3303X_E-H743 and SPD3303X-H743 which could indicate an STM32H743 might be the controller in use, I don't know.
It may be a bit tricky if the firmware download succeeds, possibly bricking the unit, though it is still under waranty.
And if flashing firmware is still possible after a failed try, we still don't have that.

tv84:
Looking at the .exe code, I would say STM32F207VET6.

Jack24044:
Excellent tv84, that fits the purpose better, I guess.  :)
Is there a way to unpack and repack .ads files, so you can examine and modify things?

Jack24044:
Hi sy, I have this unit, but EasyPower refuses to downgrade it, telling the firmware is not for that hardware.
Can you describe how you did it? It would be useful to share the steps followed, for others.
When updating with 1.01.01.03.10 firmware with the patched EasyPower, it reports: "This file does not match the device".
tv84 suggested a second hack to EasyPower, which may actually work, but I like to be sure the "SPD3303X-E, 1.01.01.03.11R1, V6.2" can work with 1.01.01.03.10 firmware.

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