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-rw-r--r--demos/ARMCM3-STM32F103-GCC/board.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/demos/ARMCM3-STM32F103-GCC/board.h b/demos/ARMCM3-STM32F103-GCC/board.h
index a1a0080ef..98a82bc94 100644
--- a/demos/ARMCM3-STM32F103-GCC/board.h
+++ b/demos/ARMCM3-STM32F103-GCC/board.h
@@ -70,7 +70,7 @@
#define CR_HSION_MASK (0x1 << 0)
#define CR_HSIRDY_MASK (0x1 << 1)
#define CR_HSITRIM_MASK (0x1F << 3)
-#define HSITRIM_RESET_BITS (1 << 3)
+#define HSITRIM_RESET_BITS (0x10 << 3)
#define CR_HSICAL_MASK (0xFF << 8)
#define CR_HSEON_MASK (0x1 << 16)
#define CR_HSERDY_MASK (0x1 << 17)