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Diffstat (limited to 'os/hal/platforms/STM32F4xx/hal_lld.h')
-rw-r--r--os/hal/platforms/STM32F4xx/hal_lld.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F4xx/hal_lld.h b/os/hal/platforms/STM32F4xx/hal_lld.h
index 40064787c..496c4304f 100644
--- a/os/hal/platforms/STM32F4xx/hal_lld.h
+++ b/os/hal/platforms/STM32F4xx/hal_lld.h
@@ -320,6 +320,7 @@
/* RTC attributes.*/
#define STM32_HAS_RTC TRUE
+#define RTC_HAS_SUBSECONDS TRUE
/* SDIO attributes.*/
#define STM32_HAS_SDIO TRUE