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authorrobert-hh <robert@hammelrath.com>2022-11-12 20:40:26 +0100
committerDamien George <damien@micropython.org>2022-12-14 12:40:22 +1100
commit43fc133dbd976ece5c746d76b828260057060a6b (patch)
tree3624cbe45825ce8785fbd73804bc8ed0beaf2582
parent3cc359c20473f8b64fed9daa86410bec9669cc79 (diff)
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.
-rw-r--r--ports/samd/mpconfigport.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/samd/mpconfigport.h b/ports/samd/mpconfigport.h
index 0e940e1c9..878f481f4 100644
--- a/ports/samd/mpconfigport.h
+++ b/ports/samd/mpconfigport.h
@@ -125,7 +125,7 @@ __attribute__((always_inline)) static inline uint32_t disable_irq(void) {
do { \
extern void mp_handle_pending(bool); \
mp_handle_pending(true); \
- __WFI(); \
+ __WFE(); \
} while (0);
#define MICROPY_MAKE_POINTER_CALLABLE(p) ((void *)((mp_uint_t)(p) | 1))