[riot-notifications] [RIOT-OS/RIOT] Default example does not work on stm32f4discovery (#11029)

Yannic Schröder notifications at github.com
Mon Feb 18 13:39:14 CET 2019

According to the schematics, X3 on the discovery board is a 32khz clock crystal which is not mounted by the factory. I can confirm that X3 is missing on all 4 boards I have at hand. Maybe some boards exist with the clock crystal mounted? In any case, I guess RTC operation is not possible without the 32khz crystal, so it might be in error, that the board tries to initialize the RTC peripheral at all.

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