/*******************************************************************************
 * File Name         : RTC.c
 * Description       :
 * Author            : hido.ltd
 *******************************************************************************/

/*******************************************************************************
 *                              Include Files                                  *
 *******************************************************************************/
#include "RTC.h"
#include "stm32l0xx_hal.h"

/*******************************************************************************
*                                  Macro                                      *
*******************************************************************************/

/*******************************************************************************
*                             Type Definition                                 *
*******************************************************************************/

/*******************************************************************************
 *                             Local Variable                                  *
 *******************************************************************************/
static RTC_HandleTypeDef *l_pstRTC = NULL;

 /*******************************************************************************
  *                        Local Function Declaration                           *
  *******************************************************************************/

 /*******************************************************************************
  *                             Local Function                                  *
  *******************************************************************************/
 /*******************************************************************************
  * Function Name     :
  * Description       :
  * Input             :
  * Output            :
  * Return            :
  * Author            : hido.ltd
  * Modified Date:    : 2018Äê8ÔÂ2ÈÕ
  *******************************************************************************/

 /*******************************************************************************
  *                             Global Function                                 *
  *******************************************************************************/
/*******************************************************************************
 * Function Name     : RTC_Init
 * Description       : RTC³õʼ»¯
 * Input             : _pRTC                         RTCÃèÊöÖ¸Õë
 * Output            : None
 * Return            : None
 * Author            : hido.ltd
 *******************************************************************************/
void RTC_Init(void *_pRTC)
{
    l_pstRTC = (RTC_HandleTypeDef *)_pRTC;
}

/*******************************************************************************
 * Function Name     : RTC_GetDateTime
 * Description       : ´ÓRTCÖлñÈ¡ÈÕÆÚ¼°Ê±¼ä
 * Input             : None
 * Output            : _pstDateTime                  ÈÕÆÚʱ¼ä
 * Return            : HIDO_ERR               ʧ°Ü
 *                     HIDO_OK                ³É¹¦
 * Author            : hido.ltd
 *******************************************************************************/
HIDO_INT32 RTC_GetDateTime(ST_RTCDateTime *_pstDateTime)
{
    RTC_TimeTypeDef stTime;
    RTC_DateTypeDef stDate;

    /* ÐèÒªÏÈ»ñȡʱ¼ä */
    if (HAL_RTC_GetTime(l_pstRTC, &stTime, RTC_FORMAT_BIN) != HAL_OK)
    {
        return HIDO_ERR;
    }

    /* ÔÙ»ñÈ¡ÈÕÆÚ */
    if (HAL_RTC_GetDate(l_pstRTC, &stDate, RTC_FORMAT_BIN) != HAL_OK)
    {
        return HIDO_ERR;
    }

    _pstDateTime->m_u32Year = stDate.Year + 2000;
    _pstDateTime->m_u8Month = RTC_Bcd2ToByte(stDate.Month);
    _pstDateTime->m_u8Day = stDate.Date;

    _pstDateTime->m_u8Hour = stTime.Hours;
    _pstDateTime->m_u8Min = stTime.Minutes;
    _pstDateTime->m_u8Sec = stTime.Seconds;

    return HIDO_OK;
}

/*******************************************************************************
 * Function Name     : RTC_SetDateTime
 * Description       : ÉèÖÃÈÕÆÚ¼°Ê±¼ä
 * Input             : _pstDateTime                  ÈÕÆÚʱ¼ä
 * Output            : None
 * Return            : HIDO_ERR               ʧ°Ü
 *                     HIDO_OK                ³É¹¦
 * Author            : hido.ltd
 *******************************************************************************/
HIDO_INT32 RTC_SetDateTime(ST_RTCDateTime *_pstDateTime)
{
    RTC_TimeTypeDef stTime;
    RTC_DateTypeDef stDate;

    stDate.Year = _pstDateTime->m_u32Year - 2000;
    stDate.Month = RTC_ByteToBcd2(_pstDateTime->m_u8Month);
    stDate.Date = _pstDateTime->m_u8Day;
    stDate.WeekDay = RTC_WEEKDAY_MONDAY;

    stTime.Hours = _pstDateTime->m_u8Hour;
    stTime.Minutes = _pstDateTime->m_u8Min;
    stTime.Seconds = _pstDateTime->m_u8Sec;
    stTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
    stTime.StoreOperation = RTC_STOREOPERATION_RESET;

    /* ÉèÖÃʱ¼ä */
    if (HAL_RTC_SetTime(l_pstRTC, &stTime, RTC_FORMAT_BIN) != HAL_OK)
    {
        return HIDO_ERR;
    }

    /* ÉèÖÃÈÕÆÚ */
    if (HAL_RTC_SetDate(l_pstRTC, &stDate, RTC_FORMAT_BIN) != HAL_OK)
    {
        return HIDO_ERR;
    }

    return HIDO_OK;
}

/*******************************************************************************
 * Function Name     : RTC_MakeTime
 * Description       : ½«ÄêÔÂÈÕʱ·ÖÃëת³ÉUTCÃëÊý£¬²ÉÓÃLINUXÄÚºËËã·¨
 * Input             : _pstDateTime                  ÈÕÆÚʱ¼ä
 * Output            : None
 * Return            : UTCÃëÊý
 * Author            : hido.ltd
 * Modified Date:    : 2017-09-22
 *******************************************************************************/
HIDO_UINT32 RTC_MakeTime(ST_RTCDateTime *_pstDateTime)
{
    HIDO_UINT32 u32Mon = _pstDateTime->m_u8Month;
    HIDO_UINT32 u32Year = _pstDateTime->m_u32Year;

    /* 1..12 -> 11,12,1..10 */
    if (0 >= (HIDO_INT32) (u32Mon -= 2)) {
        u32Mon += 12;  /* Puts Feb last since it has leap day */
        u32Year -= 1;
    }

    return ((((HIDO_UINT32)
          (u32Year/4 - u32Year/100 + u32Year/400 + 367*u32Mon/12 + _pstDateTime->m_u8Day) +
          u32Year*365 - 719499
        )*24 + _pstDateTime->m_u8Hour /* now have hours */
      )*60 + _pstDateTime->m_u8Min /* now have minutes */
    )*60 + _pstDateTime->m_u8Sec; /* finally seconds */
}

/*******************************************************************************
 * Function Name     : RTC_GetDiffSeconds
 * Description       : ¼ÆËãʱ¼ä_pstDateTime0ºÍʱ¼ä_pstDateTime1µÄÃëÊý²îÖµ
 * Input             : _pstDateTime0                 ÈÕÆÚʱ¼ä0
 *                   : _pstDateTime1                 ÈÕÆÚʱ¼ä1
 * Output            : None
 * Return            : ÃëÊý
 * Author            : hido.ltd
 * Modified Date:    : 2017-09-22
 *******************************************************************************/
HIDO_UINT32 RTC_GetDiffSeconds(ST_RTCDateTime *_pstDateTime0, ST_RTCDateTime *_pstDateTime1)
{
    HIDO_UINT32 u32Sec0 = RTC_MakeTime(_pstDateTime0);
    HIDO_UINT32 u32Sec1 = RTC_MakeTime(_pstDateTime1);

    if (u32Sec0 > u32Sec1)
    {
        return u32Sec0 - u32Sec1;
    }
    else
    {
        return u32Sec1 - u32Sec0;
    }
}

/*******************************************************************************
 * Function Name     : RTC_GetDiffSeconds
 * Description       : ¼ÆËãʱ¼ä_pstDateTime0ºÍʱ¼ä_pstDateTime1µÄÃëÊý²îÖµ
 * Input             : _pstDateTime0                 ÈÕÆÚʱ¼ä0
 *                   : _pstDateTime1                 ÈÕÆÚʱ¼ä1
 * Output            : None
 * Return            : ÃëÊý
 * Author            : hido.ltd
 *******************************************************************************/
HIDO_UINT32 RTC_GetTimeStamp(void)
{
    ST_RTCDateTime stDateTime;

    RTC_GetDateTime(&stDateTime);

    return RTC_MakeTime(&stDateTime) - (8 * 3600);
}

/*******************************************************************************
 * Function Name     : RTC_SetWakeUp
 * Description       :
 * Input             :
 * Output            :
 * Return            :
 * Author            : hido.ltd
 *******************************************************************************/
HIDO_INT32 RTC_SetWakeUp(HIDO_UINT32 _u32Ms)
{
    /*
     * DIV(16) / LSI(32.768K);
     * 60s / (DVI / LSI) = 122880
     */

    __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(l_pstRTC, RTC_FLAG_WUTF);

    if (HAL_RTCEx_SetWakeUpTimer_IT(l_pstRTC, _u32Ms / (16 / 32.768), RTC_WAKEUPCLOCK_RTCCLK_DIV16) != HAL_OK)
    {
        return HIDO_ERR;
    }

    return HIDO_OK;
}