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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3756 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2012-01-07 07:36:07 +00:00
parent 7b14ebcc5f
commit 0a3c31495e
2 changed files with 9 additions and 6 deletions
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2
os/hal/platforms/STM32/RTCv2/rtc_lld.c
View File

@ -109,7 +109,7 @@ void rtc_lld_init(void){
preload |= ((RTC_CLK / (PREDIV_A + 1)) - 1) & 0x7FFF;
/* Selects clock source (previously enabled and stabilized).*/
RCC->BDCR = (RCC->BDCR & ~RCC_BDCR_RTCSEL) | STM32_RTC;
RCC->BDCR = (RCC->BDCR & ~RCC_BDCR_RTCSEL) | STM32_RTCSEL;
/* RTC enabled regardless its previous status.*/
RCC->BDCR |= RCC_BDCR_RTCEN;

13
os/hal/platforms/STM32/RTCv2/rtc_lld.h
View File

@ -40,11 +40,13 @@
/*===========================================================================*/
/**
* @brief This RTC implementation supports callbacks.
* @brief This RTC implementation doesn't support callbacks.
*/
#if !defined(RTC_SUPPORTS_CALLBACKS) || defined(__DOXYGEN__)
#define RTC_SUPPORTS_CALLBACKS FALSE
#endif
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Two alarm comparators available on STM32F4x.
@ -71,8 +73,9 @@
#error "RTC not present in the selected device"
#endif
#if !(STM32_RTC == STM32_RTC_LSE) && !(STM32_RTC == STM32_RTC_LSI) && \
!(STM32_RTC == STM32_RTC_HSE)
#if !(STM32_RTCSEL == STM32_RTCSEL_LSE) && \
!(STM32_RTCSEL == STM32_RTCSEL_LSI) && \
!(STM32_RTCSEL == STM32_RTCSEL_HSEDIV)
#error "invalid source selected for RTC clock"
#endif