Scott Shawcroft

> @tannewt @dhalbert Heads-up about something with potential to cause some transient pain in the next merge. :) No concern for me. It is an easy change to do and...

Also, I've used a Saleae to verify that the data on the wire looks correct. I did have to add a small glitch filter so that could be the problem....

> More investigation required... I suspect that caches play a big role for any MCU that has them. Especially if they are in front of XIP flash. The miss cost...

We have something similar for FeatherWings: https://github.com/adafruit/Adafruit_CircuitPython_FeatherWing/ These are classes that handle the initialization for a specific wing. However, I don't think these libraries get used that often. Instead, I...

@tekktrik I have no context. Are you suggesting I close this?

Ok thank you both!

Could this be due to an incorrect address in the IVT? Seems like it should be patched when written to flash. The addresses used in RAM won't work when loaded...

I think I got TinyUF2 writing to flash ok. What I don't understand is that the RAM version is linked to run from the address range of RAM. How does...

@gsteiert Any pointers to where this is documented? How does the RAM address need to relate to the flash address? Does the start of the image start with the boot...

I've just started using `circup` and would recommend it too.