diff options
Diffstat (limited to 'os/hal/platforms/STM32F4xx/hal_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32F4xx/hal_lld.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F4xx/hal_lld.h b/os/hal/platforms/STM32F4xx/hal_lld.h index c88ac3a96..a29c33cde 100644 --- a/os/hal/platforms/STM32F4xx/hal_lld.h +++ b/os/hal/platforms/STM32F4xx/hal_lld.h @@ -1103,6 +1103,9 @@ #if STM32_PCLK1 > STM32_PCLK1_MAX
#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
#endif
+#if STM32_PCLK1 < (STM32_RTCCLK * 7)
+#error "STM32_PCLK1 frequency is too low to handle RTC without ugly workaround"
+#endif
/**
* @brief APB2 frequency.
|