Marian Buschsieweke a3e7abc2e2 sys/pm: Fix behavior of fallback pm_off() implementation ... - pm_off() should prevent other threads from getting executed after it is called, as it should turn off the MCU completely according to its doc - Previously, the fallback implementation would still allow other threads to continue working - Simply disabling IRQs and never enabling them again should make sure the MCU behaves like it would be completely off - pm_off() should reduce the power consumption as much as possible - Previously, when IRQs came after the call to pm_set_lowest() in the fallback implementation of pm_off(), `while(1) {}` got executed at full power consumption - Just calling `pm_set(0);` in a loop while make sure that lowest power mode is restored if the MCU wakes up again. - The check if the lowest power mode is available is skipped, as no code gets executed afterwards anyway		2020-04-29 12:08:12 +02:00
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Makefile	drivers: add layered power modes module	2017-01-12 11:24:15 +01:00
pm.c	sys/pm: Fix behavior of fallback pm_off() implementation	2020-04-29 12:08:12 +02:00