board: Adafruit LED Glasses Driver nRF52840

[bgould]

Adafruit LED Glasses Driver - nRF52840 Sensor Board
https://www.adafruit.com/product/5217

References:
https://cdn-learn.adafruit.com/assets/assets/000/105/134/original/adafruit_products_EyeLightsD_sch.png?1633457726
https://github.com/adafruit/Adafruit_nRF52_Arduino/blob/master/variants/ledglasses_nrf52840/variant.h
https://github.com/adafruit/Adafruit-EyeLights-LED-Glasses-and-Driver-PCB/blob/main/Adafruit%20EyeLights%20LED%20Glasses%20Driver.pdf

• create board definition
• verify USB serial
• verify ws2812
• verify button
• verify i2c
• verify LIS3DH
• verify bluetooth
• verify QSPI/flash
• verify battery
• verify microphone

[bgould]

When trying to enable BLE via tinygo.org/x/bluetooth, the program locks up upon enabling the default adapter. Trying to understand how to further nail down the source of the problem.

This program:
https://github.com/bgould/board-demos/blob/ea14af1d947c24bc1f56bb763ec58ea29c8de9bd/ledglasses-nrf52840/advertisement/main.go#L11-L36

Produces this output:

$ tinygo version
tinygo version 0.31.0-dev-5fb17710 windows/amd64 (using go version go1.21.4 and LLVM version 16.0.1)

$ tinygo info -target ledglasses-nrf52840
LLVM triple:       thumbv7em-unknown-unknown-eabi
GOOS:              linux
GOARCH:            arm
build tags:        cortexm baremetal linux arm nrf52840 nrf nrf52840_reset_uf2 softdevice s140v6 ledglasses_nrf52840 tinygo math_big_pure_go gc.conservative scheduler.tasks serial.usb
garbage collector: conservative
scheduler:         tasks

$ tinygo flash -target ledglasses-nrf52840 -monitor .
Connected to COM27. Press Ctrl-C to exit.
Enabling stack in 3 .. 2 .. 1
Enabling 

These are the details in INFO_UF2.TXT of the bootloader:

UF2 Bootloader 0.6.1-3-g193d525 lib/nrfx (v2.0.0) lib/tinyusb (0.10.1-293-gaf8e5a90) lib/uf2 (remotes/origin/configupdate-9-gadbb8c7)
Model: Adafruit LED Glasses Driver nRF52840
Board-ID: nRF52840-LedGlasses-revA
SoftDevice: S140 version 6.1.1
Date: Aug 29 2021

Any ideas about what might be wrong or the best way to troubleshoot the above issue?

[bgould]

When trying to enable BLE via tinygo.org/x/bluetooth, the program locks up upon enabling the default adapter. Trying to understand how to further nail down the source of the problem.
...
Any ideas about what might be wrong or the best way to troubleshoot the above issue?

The problem described above was solved by setting HasLowFrequencyCrystal = false

[aykevl]

Can you also add a smoke test for this board to the GNUmakefile?
Other than that, LGTM.