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authorbarthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-03-04 14:27:03 +0000
committerbarthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-03-04 14:27:03 +0000
commitfc972f48d6c432993bcad77033ce4824cb44c5d0 (patch)
tree14a31320ad395ba279606a9cc6585cbdebb5bdd2 /os/hal/platforms/STM32F4xx
parent7efa59601a9dcbac4f28daac847c6d246ac016a6 (diff)
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RTC. V2 driver merged to trunk.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4017 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32F4xx')
-rw-r--r--os/hal/platforms/STM32F4xx/hal_lld.h3
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.