robert-hh 43fc133dbd samd/mpconfigport: Use __WFE() in MICROPY_EVENT_POLL_HOOK.
Like WFI, WFE also responds to a hardware interrupt, and using WFE speeds
up at least spi.read().  Power consumption at an idle REPL is unchanged.
2022-12-14 12:40:22 +11:00
..