102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
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/**
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* @file cm_rtc.h
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* @brief RTC管理
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* @copyright Copyright © 2021 China Mobile IOT. All rights reserved.
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* @author By ljw
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* @date 2021/05/28
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*
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* @defgroup rtc rtc
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* @ingroup SYS
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* @{
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*/
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#ifndef __CM_RTC_H__
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#define __CM_RTC_H__
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <time.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/**
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* @brief 设置系统时间（秒）
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*
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* @param [in] second 时间戳(单位：秒)
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*
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* @return
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* = 0 - 成功 \n
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* < 0 - 失败, 返回值为错误码
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*
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* @details UTC时间
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*/
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int32_t cm_rtc_set_current_time(uint64_t second);
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/**
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* @brief 获取系统时间（秒）
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*
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* @return 时间戳（单位：秒）
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*
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* @details UTC时间
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*/
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uint64_t cm_rtc_get_current_time(void);
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/**
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* @brief 设置时区
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*
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* @param [in] timezone 时区
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*
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* @return
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* = 0 - 成功 \n
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* < 0 - 失败, 返回值为错误码
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*
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* @details timezone设置范围为-12~12，-12为西十二区，0为世界时间，12为东十二区
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*/
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int32_t cm_rtc_set_timezone(int32_t timezone);
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/**
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* @brief 获取时区
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*
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* @return 时区
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*
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* @details timezone范围为-12~12，-12为西十二区，0为世界时间，12为东十二区
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*/
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int32_t cm_rtc_get_timezone(void);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CM_RTC_H__ */
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/** @}*/
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