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-rw-r--r--software/mpu/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/software/mpu/Makefile b/software/mpu/Makefile
index dce1dfe..a1393b1 100644
--- a/software/mpu/Makefile
+++ b/software/mpu/Makefile
@@ -238,6 +238,8 @@ ifeq ($(MCU),cortex-m4)
endif
endif
+DDEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE
+
ifeq ($(USE_FWLIB),yes)
include $(CHIBIOS)/ext/stm32lib/stm32lib.mk
CSRC += $(STM32SRC)