debugprobe VS ExpansionCards

use the JECDB header to connect a SWD probe like a Picoprobe and debug the firmware

Can Raspberry Pi Pico replace J-Link? I saw PicoProbe project, installed and wired for it, but pyocd stucks with "Waiting for a debug probe to be connected..." and nRF Connect Programmer fails with error "Unsupported device. The detected device could not be recognized as neither JLink device nor Nordic USB device."

Even once you've got that handled, though, I'm not sure the JLink will be able to connect. The RP2040 uses a somewhat uncommon variant on SWD to communicate with its two cores; not all debug probes support this. If you can't get the JLink to work and you have a spare Pi Pico around, you can use the Picoprobe firmware to turn the extra Pi into a DAPlink-compatible debug probe.

That's cool, but does it do anything you can't already do with just another Pico running picoprobe? (like this)

I need to boot rp2040 from ram (no flash), which I have tested with the picotool (with USB) and picoprobe (with swd+gdb load) and I can boot from ram and flashing a LED.

Yes -- the Picoprobe firmware is what you're after.

And here's the repo for the picoprobe software: https://github.com/raspberrypi/picoprobe

I think the SD module won't be able to have the card flush, as the modules are only and SD cards are 32mm long, and you need some PCB space for the socket cage and the USB-C on the other side. The retrofit PCB outline they provide is only 26.9mm from front edge to back edge, so an SD card will stick out a little bit.

So perhaps they decided to go for the one that lets users have the card flush for use like an expansion bay as well as for data transfer to/from devices.

https://github.com/FrameworkComputer/ExpansionCards/tree/mai...

There are many laptops and desktops that fit the bill.

Frame.work: https://frame.work/

Dell: https://www.dell.com/support/kbdoc/en-us/000138246/linux-on-...

System76: https://system76.com/laptops

Kubuntu Focus: https://kfocus.org/land/business

I am sure there are more, this is only what I have found in less than 5 minutes of searching.

I'll buy a frame.work long before I touch system76. Their prices are too high for the general feedback I keep seeing on the quality control. I'm not spending 3k+ to be out a laptop until support responds. Especially, considering they still don't make these in house..

No they didn't, companies just mostly gave up on it.

A Framework Laptop (https://frame.work)

You could get a Framework 13 which comes with your choice of a 7840U or 7640U and a Radeon 780M iGPU. They do officially support Linux, and you don't have to pay for a Windows license, if you go the DIY option and chose to not get a Windows license.

Take a look at the Framework laptops. They're 100% modular so if stuff like that goes bad you can simply order the replacement part and do it yourself. I'm using a desktop right now but Ithink my next laptop is gonna be a framework.

a couple of days ago I tried to order a Framework laptop (13 inch AMD). I chose to create an account during the checkout process and provided my email address. After entering my shipping details, I authorized the transfer of the deposit fee via Giropay. The deposit was deducted from my bank account but when I was sent back to the frame.work website I was greeted by an error message. Unfortunately I could neither complete the checkout process nor continue my account registration.