Benjamin Valentin 5d123cbb22 cpu/sam0_common: distribute PM_NUM_MODES among siblings ... Also adapt the defines to the documentation - CPUs define up to 4 power modes (from zero, the lowest power mode, to PM_NUM_MODES-1, the highest) - >> there is an implicit extra idle mode (which has the number PM_NUM_MODES) << Previously on saml21 this would always generate pm_set(3) which is an illegal state. Now pm_layered will correctly generate pm_set(2) for IDLE modes. Idle power consumption dropped from 750µA to 368µA and wake-up from standby is also possible. (Before it would just enter STANDBY again as the mode register was never written with the illegal value.)		2020-04-01 18:10:23 +02:00
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periph_cpu.h	cpu/sam0_common: distribute PM_NUM_MODES among siblings	2020-04-01 18:10:23 +02:00