Comments (6)
Yes there's PIN0_5 (if I remember the name correctly), but it's not exposed. You can attach a Tag-Connect at the bottom, but that's also not fun. To play around with the platform or develop, I strongly recommend the NXP dev kit (https://www.nxp.com/design/development-boards/lpcxpresso-boards/lpcxpresso55s69-development-board:LPC55S69-EVK), the "hacker" keys aren't suitable as dev environments. The trouble is if your firmware passes the bootloader (e.g. since the bootloader doesn't have any requirements set) but then panics (early on), you can't rely on some "three-finger-grip" or whatever method you implement in software to get back into the bootloader.
The "hacker" keys IMHO would be better named as "unlocked", with the idea that you take a known working firmware, but want to replace the PKI (from ours: https://s2pki.net) for an enterprise or otherwise specialized use case.
from solo2-cli.
Yeah, that's unfortunate :/ If PIN0_5 were exposed as one of the bottom pins, I could ground it to get into bootloader mode, and then it'd be unbrickable (unless I replaced the bootloader), too bad that option doesn't exist... Good point about calling them "unlocked", I was pretty excited to be able to play around with the firmware but I can't justify the board cost for a few hours of messing around.
Thank you for your help!
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J-Link EDU Mini + Tag-Connect definitely works (to unbrick by flashing a "good" firmware that lets you hop into ROM bootloader), but it's fiddly as you have to cute the debug cable pins and secure "somehow".
from solo2-cli.
Oh, can I use an ST-Link cable? I can make a quick jig with some pogo pins for the electrical connection, if I don't need to buy a new cable/programmer...
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Normally you'd need this cable: https://www.tag-connect.com/product/tc2030-ctx-nl-6-pin-no-legs-cable-with-10-pin-micro-connector-for-cortex-processors (and need to clip down the three longer gray pins).
Also no idea if ST debuggers will work, I do know it took Segger a while to get their driver running, and not sure if https://probe.rs managed yet either.
from solo2-cli.
Hm right, I see. Thank you for your help!
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Related Issues (20)
- Note in README.md about old 1.4.35 CCID driver no longer valid
- MacOS - "Allow accessories to connect" dialog disapears to fast
- 2 keys: 1 can be updated, the other not HOT 12
- Cannot register Solo v2 USB A to any Website
- gpg crashes the solokey v2, firmware 0.128.241 HOT 1
- Cannot Register to Microsoft, Gandi, or Paypal HOT 4
- Got two Solo2 keys : usb-c and usb-a. Latest firmware. Systematic "unknwon error" on use HOT 1
- cannot be built because it requires rustc 1.64.0 or newer, while the currently active rustc version is 1.63.0 HOT 1
- Solo2 won't update
- Solo v2 reset HOT 3
- [Feature request] Package binary also for arm darwin M1/M2 chips HOT 1
- Building with provided PKGBUILD fails in Arch with LTO
- Registering TOTP Causes CLI To Crash HOT 1
- Update fails after confirming and entering bootloader mode
- Sending fatal alert BadCertificate HOT 4
- Solo v2 enters into a constant "getting ready" "touch device" loop on Windows 11 HOT 2
- Firmware update fails due to timeout
- SoloKey not turning back on after update
- Homebrew Support
- Windows binary not signed and missing version info resource
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