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-rw-r--r--keyboards/handwired/onekey/bluepill/rules.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/keyboards/handwired/onekey/bluepill/rules.mk b/keyboards/handwired/onekey/bluepill/rules.mk
index 063f21f7fd..83a81a56b1 100644
--- a/keyboards/handwired/onekey/bluepill/rules.mk
+++ b/keyboards/handwired/onekey/bluepill/rules.mk
@@ -8,3 +8,7 @@ BOARD = STM32_F103_STM32DUINO
DFU_ARGS = -d 1eaf:0003 -a2 -R
DFU_SUFFIX_ARGS = -v 1eaf -p 0003
+
+
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE