RTC. Setting and getting time works on STM32F4x

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/rtc_dev@3596 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 13 insertions, 4 deletions

diff --git a/os/hal/platforms/STM32F4xx/rtc_lld.h b/os/hal/platforms/STM32F4xx/rtc_lld.h
index 529215483..dd5a4160e 100644
--- a/os/hal/platforms/STM32F4xx/rtc_lld.h
+++ b/os/hal/platforms/STM32F4xx/rtc_lld.h
@@ -41,7 +41,7 @@
 #define RTC_SUPPORTS_CALLBACKS      TRUE

 

 /**

- * @brief   One alarm comparator available.

+ * @brief   Two alarm comparators available on STM32F4x.

  */

 #define RTC_ALARMS                  2

 

@@ -62,6 +62,10 @@
 #error "invalid source selected for RTC clock"

 #endif

 

+#if RTC_SUPPORTS_CALLBACKS && !(HAL_USE_EXT)

+#error "interrupts from STM32 RTC works only through EXTI"

+#endif

+

 /*===========================================================================*/

 /* Driver data structures and types.                                         */

 /*===========================================================================*/

@@ -97,13 +101,18 @@ typedef void (*rtccb_t)(RTCDriver *rtcp, rtcevent_t event);
  */

 struct RTCTime {

   /**

-   * @brief RTC date register in BCD format.

+   * @brief RTC date register in STM32 BCD format.

    */

   uint32_t tv_date;

   /**

-   * @brief RTC time register in BCD format.

+   * @brief RTC time register in STM32 BCD format.

    */

   uint32_t tv_time;

+  /**

+   * @brief Fractional part of time.

+   * @note  If platform does not support subseconds than always zero.

+   */

+  uint16_t tv_msec;

 };

 

 

@@ -112,7 +121,7 @@ struct RTCTime {
  */

 struct RTCAlarm {

   /**

-   * @brief Date and time of alarm in BCD.

+   * @brief Date and time of alarm in STM32 BCD.

    */

   uint32_t tv_datetime;

 };