[riot-notifications] [RIOT-OS/RIOT] cpu/sam0_common/spi: demux SPI output pins before entering deep sleep (#14105)

Juergen Fitschen notifications at github.com
Wed May 20 16:44:46 CEST 2020

> Does it make sense to instead do this in the platform `spi_acquire` and `spi_release` functions? Not sure what the overhead is of adding it there, but the impact might be less than changing this every time the MCU sleeps

Hmm, in this case, we should interact with `pm_layered` to prevent the MCU from falling into deep sleep?! I think the `stm32` are already have something like this implemented ...

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