Clock colors

See merge request card10/firmware!199

BLE: FileTrans: activate security

See merge request !197

Only allow paired devices to use this Service.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Signed-off-by: Rahix <rahix@rahix.de>

Support for BHI160

See merge request card10/firmware!163

Signed-off-by: Rahix <rahix@rahix.de>

FIFO parsing would parse certain packets late because of an incorrect
assumption about FIFO-internals.

Signed-off-by: Rahix <rahix@rahix.de>

Related to #20.

Signed-off-by: Rahix <rahix@rahix.de>

Signed-off-by: Rahix <rahix@rahix.de>

Watchdog timer implementation
-----------------------------

Enable watchdog timer on boot. Add FreeRTOS task to clear the timer. 
Watchdog expires after 2.7 seconds, and is cleared every 2 seconds.

See merge request !172

fix(pmic): properly release the two locks

See merge request !192

feat(fatfs): remember by which core an FD was opened, allow to
close all FDs by a certain core

See merge request !179

ble: card10 svc - rewrite

Closes #84

See merge request card10/firmware!151