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STM32 RTC driver lower half: Implement the settime method of the RTC interface

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This commit is contained in:
Gregory Nutt 2015-02-13 13:36:15 -06:00
parent 7168170142
commit 9e80f7d8d2
3 changed files with 42 additions and 5 deletions
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2
arch/arm/src/stm32/stm32_rtc.h
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@ -181,7 +181,7 @@ int stm32_rtc_cancelalarm(void);
#ifdef CONFIG_RTC_DRIVER
struct rtc_lower_half_s;
struct rtc_lower_half_s *stm32_rtc_lowerhalf(void);
FAR struct rtc_lower_half_s *stm32_rtc_lowerhalf(void);
#endif
#undef EXTERN

42
arch/arm/src/stm32/stm32_rtc_lowerhalf.c
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@ -77,7 +77,11 @@ struct stm32_lowerhalf_s
* Private Function Prototypes
****************************************************************************/
/* Prototypes for static methods in struct rtc_ops_s */
/* To be provided */
#ifdef CONFIG_RTC_DATETIME
static int stm32_settime(FAR struct rtc_lowerhalf_s *lower,
FAR const struct rtc_time *rtctime);
#endif
/****************************************************************************
* Private Data
@ -87,7 +91,11 @@ struct stm32_lowerhalf_s
static const struct rtc_ops_s g_rtc_ops =
{
.rdtime = NULL,
#ifdef CONFIG_RTC_DATETIME
.settime = stm32_settime,
#else
.settime = NULL,
#endif
.almread = NULL,
.almset = NULL,
.irqpread = NULL,
@ -113,6 +121,34 @@ static struct stm32_lowerhalf_s g_rtc_lowerhalf =
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_settime
*
* Description:
* Implements the settime() method of the RTC driver interface
*
* Input Parameters:
* lower - A reference to RTC lower half driver state structure
* rcttime - The new time to set
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned
* on any failure.
*
****************************************************************************/
#ifdef CONFIG_RTC_DATETIME
static int stm32_settime(FAR struct rtc_lowerhalf_s *lower,
FAR const struct rtc_time *rtctime)
{
/* This operation depends on the fact that struct rtc_time is cast
* compatible with struct tm.
*/
return stm32_rtc_setdatetime((FAR const struct tm *)rtctime);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -139,9 +175,9 @@ static struct stm32_lowerhalf_s g_rtc_lowerhalf =
*
****************************************************************************/
struct rtc_lower_half_s *stm32_rtc_lowerhalf(void)
FAR struct rtc_lower_half_s *stm32_rtc_lowerhalf(void)
{
return (struct rtc_lower_half_s *)&g_rtc_lowerhalf;
return (FAR struct rtc_lower_half_s *)&g_rtc_lowerhalf;
}
#endif /* CONFIG_RTC_DRIVER */

3
include/nuttx/rtc.h
View File

@ -269,7 +269,8 @@
/* Broken-out time representation used with RTC IOCTL commands:
*
* The fields in this structure have the same meaning and ranges as for the
* tm structure described in gmtime().
* tm structure described in gmtime(). Further, it is REQUIRED that the
* structure be cast compatible with struct tm! They must be interchangeable.
*/
struct rtc_time