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U2 bootloader did not reset after zmk uf2 file copying on macos m2 #350

@hitsmaxft

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@hitsmaxft

Operating System

MacOS

INFO_UF2.TXT

UF2 Bootloader 0.9.2 lib/nrfx (v2.0.0) lib/tinyusb (0.12.0-145-g9775e7691) lib/uf2 (remotes/origin/configupdate-9-gadbb8c7)
Model: nice!nano
Board-ID: nRF52840-nicenano
Date: Jul 19 2024
SoftDevice: S140 6.1.1

What happened ?

uf2 disk not reset after copy file , , need manually reset

Running the command: sudo bash -c 'umount /Volumes/NICENANO && cat ./firmware/corne_left-nice_nano_v2.uf2 > /dev/disk4'

os Darwin xxxxx 24.1.0 Darwin Kernel Version 24.1.0: Thu Oct 10 21:03:11 PDT 2024; xxxx arm Darwin

How to reproduce ?

1 connect nice!nano to host
2 double click to reset muc into uf2 bootloader
3 umount and copy zmk firmware

disk is not automaticly reset into keyboard

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