Comments (3)
I don't know about the J-Link EDU Mini but the J-Link EDU model should definitely work.
With the EDU mini, the connector is a fine pitch one, so you'll need to either use a breakout cable and temporarily solder wire on the castellated holes of the dongle (you only need 4 wires) or use a different cable from TagConnect but none of their cables are cheap. I think the TC2050-IDC-050 should do the job. Be careful to not pick the TC2050-IDC-050-ALL cable because it will connect pins 5 and 9 and this will create a shortcut on the USB port (pin 5 is GND on the J-Link EDU mini but it's connected to VBUS on the Nordic dongle!).
Regarding flashing directly over USB, we have a contributor working on this. But it's not supported yet.
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I was in a similar situation, having purchased the nRF52840 Dongle before reading the installation guide. I wasn't aware of the J-Link EDU and decided to purchase the Nordic nRF52840-DK, which has an on-board J-Link.
Now I'm wondering if I can use the on-board J-Link module of the nRF52840-DK to load the firmware on the nRF52840 Dongle.
It looks like it should be possible:
The nRF52840 DK (Development Kit) board supports programming and debugging external boards with nRF51 or nRF52 System on Chip (SoC)s. To debug an external board with SEGGER J-Link OB IF, connect to the Debug out connector (P19) with a 10-pin cable.
https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/nrf52840_DK/hw_debug_out.html
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This is now obsolete as OpenSK can be flashed directly over USB without external hardware.
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Related Issues (20)
- MakeCredentialPinAuthProtocolTest return code mismatch HOT 3
- MakeCredentialMissingParameterTest fails HOT 5
- GetAssertionOptionUvTrueTest test fails HOT 3
- pip install --user is unnecessary HOT 2
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- versions in develop should include FIDO_2_1 HOT 1
- "configuring device" step needs a confirmation prompt to replug device on nrf52840_dongle_dfu HOT 5
- AuthenticatorConfigParameters swaps pinUvAuthProtocol and pinUvAuthParam field IDs HOT 1
- error: failed to get `arrayref` as a dependency of package `ctap2 v1.0.0 (/home/USER/OpenSK)` HOT 6
- WebUSB compatible? HOT 4
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- Improve Tock patches
- Move storage syscalls
- Edit the readme to link to the Quantum paper and point to the implementation file.
- Setup script can't install pip packages to the user's environment on Arch Linux HOT 2
- nordic dfu in develop fails to configure HOT 4
- Key not supported on ios for Apple Id 2fa HOT 36
- wrong board type in flashing command in install.md HOT 1
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