rt-thread/bsp/essemi/es8p508x/libraries/Library/Source/lib_rtc.c

/*********************************************************
 *Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd.
 *文件名:  lib_rtc.c
 *作  者:  Liut
 *版  本:  V1.00
 *日  期:  2017/07/14
 *描  述:  RTC模块程序
 *备  注:  适用于HRSDK-GDB-ES8P508 V1.1
 本软件仅供学习和演示使用，对用户直接引用代码所带来的风险或后果不承担任何法律责任。
 **********************************************************/
#include "lib_rtc.h"
#include "lib_scu.h"

/***************************************************************
  函数名：RTC_Init
  描  述：实时时钟初始化
  输入值：CLKx:RTC时钟源选择；HOURx：12小时/24小时制选择
  输出值：无
  返回值：无
 ***************************************************************/
void RTC_Init(RTC_TYPE_CLKS CLKx,RTC_TYPE_TIME HOURx)
{
    uint32_t flag;
	
		if(CLKx == RTC_LOSC )
	  {
		  uint32_t Prot_Temp;

        Prot_Temp = SCU->PROT.PROT;

        if(Prot_Temp != 0)         //写保护了
            SCU_RegUnLock();       //解锁

        SCU_XTAL_Enable();         //使能外部32kHZ			
        while(SCU_XTALReadyFlag() != SET);      //等待时钟开启
        
				if(Prot_Temp != 0)     
				    SCU_RegLock();        //打开写保护
	  }
		
    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;
    RTC->CON.PON = 0;               // 清零，使能RTC
    RTC->CON.HSWI = HOURx;          // 24小时模式
    RTC->CON.CLKS = CLKx;           // 时钟源选择32768Hz

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
}
/***************************************************************
  函数名：RTC_StartRead
  描  述：启动实时时钟读流程
  输入值：无
  输出值：无
  返回值：无
 ***************************************************************/
void RTC_StartRead(void)
{
    RTC->CON.TMWR = 0;              // 操作类型是读
    RTC->CON.TMUP = 1;              // 触发读操作
    while (RTC->CON.TMUP == 1);     //等待读完成
}

/***************************************************************
  函数名：RTC_ReadHourmode
  描  述：读取小时模式
  输入值：无
  输出值：无
  返回值：当前的小时模式
 ***************************************************************/
uint32_t RTC_ReadHourmode(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    result = RTC->CON.HSWI;

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}
/***************************************************************
  函数名：RTC_ReadSecond
  描  述：读取秒
  输入值：无
  输出值：无
  返回值：当前的秒
 ***************************************************************/
uint32_t RTC_ReadSecond(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->HMS.SEC & (uint32_t)0x01) * 1);
    result += (((RTC->HMS.SEC >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->HMS.SEC >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->HMS.SEC >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->HMS.SEC >> 4) & (uint32_t)0x01) * 10);
    result += (((RTC->HMS.SEC >> 5) & (uint32_t)0x01) * 20);
    result += (((RTC->HMS.SEC >> 6) & (uint32_t)0x01) * 40);

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadMinute
  描  述：读取分
  输入值：无
  输出值：无
  返回值：当前的分
 ***************************************************************/
uint32_t RTC_ReadMinute(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->HMS.MIN & (uint32_t)0x01) * 1);
    result += (((RTC->HMS.MIN >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->HMS.MIN >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->HMS.MIN >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->HMS.MIN >> 4) & (uint32_t)0x01) * 10);
    result += (((RTC->HMS.MIN >> 5) & (uint32_t)0x01) * 20);
    result += (((RTC->HMS.MIN >> 6) & (uint32_t)0x01) * 40);

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadHour
  描  述：读取小时
  输入值：无
  输出值：无
  返回值：当前的小时
 ***************************************************************/
uint32_t RTC_ReadHour(uint32_t *meridiem)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->HMS.HOUR & (uint32_t)0x01) * 1);
    result += (((RTC->HMS.HOUR >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->HMS.HOUR >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->HMS.HOUR >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->HMS.HOUR >> 4) & (uint32_t)0x01) * 10);

    if(RTC_ReadHourmode() == RTC_HOUR24)                        //24小时模式：20小时
    {
        result += (((RTC->HMS.HOUR >> 5) & (uint32_t)0x01) * 20);
    }
    else                                                        //12小时模式：1 PM,0 AM
    {
        *meridiem = (((RTC->HMS.HOUR >> 5) & (uint32_t)0x01));
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadDay
  描  述：读取日
  输入值：无
  输出值：无
  返回值：当前的日
 ***************************************************************/
uint32_t RTC_ReadDay(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;
    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->YMDW.DAY & (uint32_t)0x01) * 1);
    result += (((RTC->YMDW.DAY >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->YMDW.DAY >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->YMDW.DAY >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->YMDW.DAY >> 4) & (uint32_t)0x01) * 10);
    result += (((RTC->YMDW.DAY >> 5) & (uint32_t)0x01) * 20);

    /* 加入RTC写保护 */
    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return result;
}

/***************************************************************
  函数名：RTC_ReadMonth
  描  述：读取月
  输入值：无
  输出值：无
  返回值：当前的月
 ***************************************************************/
uint32_t RTC_ReadMonth(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->YMDW.MON & (uint32_t)0x01) * 1);
    result += (((RTC->YMDW.MON >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->YMDW.MON >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->YMDW.MON >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->YMDW.MON >> 4) & (uint32_t)0x01) * 10);

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadYear
  描  述：读取年
  输入值：无
  输出值：无
  返回值：当前的年
 ***************************************************************/
uint32_t RTC_ReadYear(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->YMDW.YEAR & (uint32_t)0x01) * 1);
    result += (((RTC->YMDW.YEAR >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->YMDW.YEAR >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->YMDW.YEAR >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->YMDW.YEAR >> 4) & (uint32_t)0x01) * 10);
    result += (((RTC->YMDW.YEAR >> 5) & (uint32_t)0x01) * 20);
    result += (((RTC->YMDW.YEAR >> 6) & (uint32_t)0x01) * 40);
    result += (((RTC->YMDW.YEAR >> 7) & (uint32_t)0x01) * 80);
    result += 2000;

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}
/***************************************************************
  函数名：RTC_ReadWeek
  描  述：读取星期
  输入值：无
  输出值：无
  返回值：当前的星期
 ***************************************************************/
uint32_t RTC_ReadWeek(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    switch(RTC->YMDW.WEEK)
    {
        case 0x00: result = 0;break;
        case 0x01: result = 1;break;
        case 0x02: result = 2;break;
        case 0x03: result = 3;break;
        case 0x04: result = 4;break;
        case 0x05: result = 5;break;
        case 0x06: result = 6;break;
        default:   result = 0;break;
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_StartRead
  描  述：启动实时时钟写流程
  输入值：无
  输出值：无
  返回值：无
 ***************************************************************/
void RTC_StartWrite(void)
{
    /* 触发写操作步骤 */
    RTC->CON.TMWR = 1;              // 操作类型是写
    RTC->CON.TMUP = 1;              // 触发写操作
    while (RTC->CON.TMUP == 1);     //等待写完成
}

/***************************************************************
  函数名：RTC_WriteSecond
  描  述：修改秒
  输入值：second: 秒
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteSecond(uint32_t second)
{
    uint32_t flag = 0;
    uint32_t sec_buf = 0;

    /* 检查输入参数 */
    if (second >= 60)
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (second >= 40)
    {
        sec_buf |= (uint32_t)1<<6;
        second -= 40;
    }
    else
    {
        sec_buf &= ~(uint32_t)1<<6;
    }

    if (second >= 20)
    {
        sec_buf |= (uint32_t)1<<5;
        second -= 20;
    }
    else
    {
        sec_buf &= ~(uint32_t)1<<5;
    }

    if (second >= 10)
    {
        sec_buf |= (uint32_t)1<<4;
        second -= 10;
    }
    else
    {
        sec_buf &= ~(uint32_t)1<<4;
    }

    if (second >= 8)
    {
        sec_buf |= (uint32_t)1<<3;
        second -= 8;
    }
    else
    {
        sec_buf &= ~(uint32_t)1<<3;
    }

    if (second >= 4)
    {
        sec_buf |= (uint32_t)1<<2;
        second -= 4;
    }
    else
    {
        sec_buf &= ~(uint32_t)1<<2;
    }

    if (second >= 2)
    {
        sec_buf |= (uint32_t)1<<1;
        second -= 2;
    }
    else
    {
        sec_buf &= ~(uint32_t)1<<1;
    }

    if (second >= 1)
    {
        sec_buf |= (uint32_t)1;
        second -= 1;
    }
    else
    {
        sec_buf &= ~(uint32_t)1;
    }

    RTC->HMS.SEC = sec_buf;

    /* 触发写操作步骤 */
    RTC_StartWrite();

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteMinute
  描  述：修改秒
  输入值：minute: 秒
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteMinute(uint32_t minute)
{
    uint32_t flag;
    uint32_t min_buf = 0;

    /* 检查输入参数 */
    if (minute >= 60)
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (minute >= 40) 
    {
        min_buf |= (uint32_t)1<<6;
        minute -= 40;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1<<6;
    }

    if (minute >= 20) 
    {
        min_buf |= (uint32_t)1<<5;
        minute -= 20;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1<<5;
    }

    if (minute >= 10)
    {
        min_buf |= (uint32_t)1<<4;
        minute -= 10;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1<<4;
    }

    if (minute >= 8) 
    {
        min_buf |= (uint32_t)1<<3;
        minute -= 8;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1<<3;
    }

    if (minute >= 4) 
    {
        min_buf |= (uint32_t)1<<2;
        minute -= 4;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1<<2;
    }

    if (minute >= 2) 
    {
        min_buf |= (uint32_t)1<<1;
        minute -= 2;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1<<1;
    }

    if (minute >= 1) 
    {
        min_buf |= (uint32_t)1;
        minute -= 1;
    } 
    else 
    {
        min_buf &= ~(uint32_t)1;
    }

    RTC->HMS.MIN = min_buf;

    /* 触发写操作步骤 */
    RTC_StartWrite();

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}


/***************************************************************
  函数名：RTC_WriteHour
  描  述：修改时
  输入值：hour: 时
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteHour(uint32_t hour, uint32_t meridiem)
{
    uint32_t flag,mode;
    uint32_t hour_buf = 0;

    /* 检查输入参数 */
    if (hour >= 24)
        return ERROR;

    mode = RTC_ReadHourmode();

    if(mode == RTC_HOUR12 && hour > 12)     //12小时模式不可大于12小时
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if(mode == RTC_HOUR24)
    {
        if (hour >= 20)
        {
            hour_buf |= (uint32_t)1<<5;
            hour -= 20;
        }
        else
        {
            hour_buf &= ~((uint32_t)1<<5);
        }
    }
    else
    {
        if(meridiem == 1)
            hour_buf |= (uint32_t)1<<5;
        else
            hour_buf &= ~((uint32_t)1<<5);
    }

    if (hour >= 10)
    {
        hour_buf |= (uint32_t)1<<4;
        hour -= 10;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<4);
    }

    if (hour >= 8)
    {
        hour_buf |= (uint32_t)1<<3;
        hour -= 8;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<3);
    }

    if (hour >= 4)
    {
        hour_buf |= (uint32_t)1<<2;
        hour -= 4;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<2);
    }

    if (hour >= 2)
    {
        hour_buf |= (uint32_t)1<<1;
        hour -= 2;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<1);
    }

    if (hour >= 1)
    {
        hour_buf |= (uint32_t)1;
        hour -= 1;
    }
    else
    {
        hour_buf &= ~(uint32_t)1;
    }

    RTC->HMS.HOUR = hour_buf;

    /* 触发写操作步骤 */
    RTC_StartWrite();

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteDay
  描  述：修改日
  输入值：day: 日
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteDay(uint32_t day)
{
    uint32_t flag;
    uint32_t day_buf = 0;

    /* 检查输入参数 */
    if ((day == 0) || (day >= 32))
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (day >= 20) 
    {
        day_buf |= (uint32_t)1<<5;
        day -= 20;
    } 
    else 
    {
        day_buf &= ~((uint32_t)1<<5);
    }

    if (day >= 10)
    {
        day_buf |= (uint32_t)1<<4;
        day -= 10;
    } 
    else 
    {
        day_buf &= ~((uint32_t)1<<4);
    }

    if (day >= 8) 
    {
        day_buf |= (uint32_t)1<<3;
        day -= 8;
    } 
    else 
    {
        day_buf &= ~((uint32_t)1<<3);
    }

    if (day >= 4) 
    {
        day_buf |= (uint32_t)1<<2;
        day -= 4;
    } 
    else 
    {
        day_buf &= ~((uint32_t)1<<2);
    }

    if (day >= 2) 
    {
        day_buf |= (uint32_t)1<<1;
        day -= 2;
    } 
    else 
    {
        day_buf &= ~((uint32_t)1<<1);
    }

    if (day >= 1)
    {
        day_buf |= (uint32_t)1;
        day -= 1;
    } 
    else 
    {
        day_buf &= ~(uint32_t)1;
    }

    RTC->YMDW.DAY = day_buf;

    /* 触发写操作步骤 */
    RTC_StartWrite();

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}


/***************************************************************
  函数名：RTC_WriteMonth
  描  述：修改月
  输入值：month: 月
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteMonth(uint32_t month)
{
    uint32_t flag;
    uint32_t month_buf = 0;

    /* 检查输入参数 */
    if ((month == 0) || (month >= 13))
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (month >= 10)
    {
        month_buf |= (uint32_t)1<<4;
        month -= 10;
    }
    else
    {
        month_buf &= ~((uint32_t)1<<4);
    }

    if (month >= 8)
    {
        month_buf |= (uint32_t)1<<3;
        month -= 8;
    }
    else
    {
        month_buf &= ~((uint32_t)1<<3);
    }

    if (month >= 4)
    {
        month_buf |= (uint32_t)1<<2;
        month -= 4;
    }
    else
    {
        month_buf &= ~((uint32_t)1<<2);
    }

    if (month >= 2)
    {
        month_buf |= (uint32_t)1<<1;
        month -= 2;
    }
    else
    {
        month_buf &= ~((uint32_t)1<<1);
    }

    if (month >= 1)
    {
        month_buf |= (uint32_t)1;
        month -= 1;
    }
    else
    {
        month_buf &= ~(uint32_t)1;
    }

    RTC->YMDW.MON = month_buf;

    /* 触发写操作步骤 */
    RTC_StartWrite();

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteYear
  描  述：修改年
  输入值：year: 年
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteYear(uint32_t year)
{
    uint32_t flag;
    uint32_t year_buf = 0;

    /* 检查输入参数 */
    if ((year < 2000) || (year > 2099))
        return ERROR;

    /* 年转换 */
    year -= 2000;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (year >= 80)
    {
        year_buf |= (uint32_t)1<<7;
        year -= 80;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<7);
    }

    if (year >= 40)
    {
        year_buf |= (uint32_t)1<<6;
        year -= 40;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<6);
    }

    if (year >= 20)
    {
        year_buf |= (uint32_t)1<<5;
        year -= 20;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<5);
    }

    if (year >= 10)
    {
        year_buf |= (uint32_t)1<<4;
        year -= 10;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<4);
    }

    if (year >= 8)
    {
        year_buf |= (uint32_t)1<<3;
        year -= 8;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<3);
    }

    if (year >= 4)
    {
        year_buf |= (uint32_t)1<<2;
        year -= 4;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<2);
    }

    if (year >= 2)
    {
        year_buf |= (uint32_t)1<<1;
        year -= 2;
    }
    else
    {
        year_buf &= ~((uint32_t)1<<1);
    }

    if (year >= 1)
    {
        year_buf |= (uint32_t)1;
        year -= 1;
    }
    else
    {
        year_buf &= ~(uint32_t)1;
    }

    RTC->YMDW.YEAR = year_buf;

    /* 触发写操作步骤 */
    RTC_StartWrite();

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteWeek
  描  述：修改星期
  输入值：week: 星期（0-6）
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteWeek(uint32_t week)
{
    uint32_t flag;

    /* 检查输入参数 */
    if (week > 6)
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    RTC->YMDW.WEEK = week;

    /* 触发写操作步骤 */
    RTC->CON.TMWR = 1;      // 操作类型是写
    RTC->CON.TMUP = 1;      // 触发写操作
    while (RTC->CON.TMUP == 1);

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_ReadWeekAlarmMinute
  描  述：读取分
  输入值：无
  输出值：无
  返回值：当前的分
 ***************************************************************/
uint32_t RTC_ReadWeekAlarmMinute(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->WA.WM & (uint32_t)0x01) * 1);
    result += (((RTC->WA.WM >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->WA.WM >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->WA.WM >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->WA.WM >> 4) & (uint32_t)0x01) * 10);
    result += (((RTC->WA.WM >> 5) & (uint32_t)0x01) * 20);
    result += (((RTC->WA.WM >> 6) & (uint32_t)0x01) * 40);

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadWeekAlarmHour
  描  述：读取小时
  输入值：无
  输出值：无
  返回值：当前的小时
 ***************************************************************/
uint32_t RTC_ReadWeekAlarmHour(uint32_t *meridiem)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->WA.WH & (uint32_t)0x01) * 1);
    result += (((RTC->WA.WH >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->WA.WH >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->WA.WH >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->WA.WH >> 4) & (uint32_t)0x01) * 10);

    if(RTC_ReadHourmode() == RTC_HOUR24)                        //24小时模式：20小时
    {
        result += (((RTC->WA.WH >> 5) & (uint32_t)0x01) * 20);
    }
    else                                                        //12小时模式：1 PM,0 AM
    {
        *meridiem = (((RTC->WA.WH >> 5) & (uint32_t)0x01));
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadWeekAlarmWeek
  描  述：读取星期
  输入值：无
  输出值：无
  返回值：当前的星期
 ***************************************************************/
uint32_t RTC_ReadWeekAlarmWeek(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    switch(RTC->WA.WW)
    {
        case 0x00: result = 0;break;
        case 0x01: result = 1;break;
        case 0x02: result = 2;break;
        case 0x03: result = 3;break;
        case 0x04: result = 4;break;
        case 0x05: result = 5;break;
        case 0x06: result = 6;break;
        default:   result = 0;break;
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}


/***************************************************************
  函数名：RTC_ReadDayAlarmMinute
  描  述：读取分钟
  输入值：无
  输出值：无
  返回值：当前的分钟
 ***************************************************************/
uint32_t RTC_ReadDayAlarmMinute(void)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->DA.DM & (uint32_t)0x01) * 1);
    result += (((RTC->DA.DM >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->DA.DM >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->DA.DM >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->DA.DM >> 4) & (uint32_t)0x01) * 10);
    result += (((RTC->DA.DM >> 5) & (uint32_t)0x01) * 20);
    result += (((RTC->DA.DM >> 6) & (uint32_t)0x01) * 40);

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_ReadDaykAlarmHour
  描  述：读取小时
  输入值：无
  输出值：无
  返回值：当前的小时
 ***************************************************************/
uint32_t RTC_ReadDayAlarmHour(uint32_t *meridiem)
{
    uint32_t flag;
    uint32_t result;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 触发读操作步骤 */
    RTC_StartRead();

    /* 计算时间 */
    result = ((RTC->DA.DH & (uint32_t)0x01) * 1);
    result += (((RTC->DA.DH >> 1) & (uint32_t)0x01) * 2);
    result += (((RTC->DA.DH >> 2) & (uint32_t)0x01) * 4);
    result += (((RTC->DA.DH >> 3) & (uint32_t)0x01) * 8);
    result += (((RTC->DA.DH >> 4) & (uint32_t)0x01) * 10);

    if(RTC_ReadHourmode() == RTC_HOUR24)                        //24小时模式：20小时
    {
        result += (((RTC->DA.DH >> 5) & (uint32_t)0x01) * 20);
    }
    else                                                        //12小时模式：1 PM,0 AM
    {
        *meridiem = (((RTC->DA.DH >> 5) & (uint32_t)0x01));
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    return result;
}

/***************************************************************
  函数名：RTC_WriteWeekAlarmMinute
  描  述：修改分钟
  输入值：minute: 分钟
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteWeekAlarmMinute(uint32_t minute)
{
    uint32_t flag;
    uint32_t minute_buf = 0;

    /* 检查输入参数 */
    if (minute >= 60)
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (minute >= 40)
    {
        minute_buf |= (uint32_t)1<<6;
        minute -= 40;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<6;
    }

    if (minute >= 20)
    {
        minute_buf |= (uint32_t)1<<5;
        minute -= 20;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<5;
    }

    if (minute >= 10)
    {
        minute_buf |= (uint32_t)1<<4;
        minute -= 10;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<4;
    }

    if (minute >= 8)
    {
        minute_buf |= (uint32_t)1<<3;
        minute -= 8;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<3;
    }

    if (minute >= 4)
    {
        minute_buf |= (uint32_t)1<<2;
        minute -= 4;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<2;
    }

    if (minute >= 2)
    {
        minute_buf |= (uint32_t)1<<1;
        minute -= 2;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<1;
    }

    if (minute >= 1)
    {
        minute_buf |= (uint32_t)1;
        minute -= 1;
    }
    else
    {
        minute_buf &= ~(uint32_t)1;
    }

    RTC->WA.WM = minute_buf;

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteWeekAlarmHour
  描  述：修改小时
  输入值：hour: 小时
          meridiem：(仅在12小时模式时有效)
                    0 AM
                    1 PM
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteWeekAlarmHour(uint32_t hour, uint32_t meridiem)
{
    uint32_t flag,mode;
    uint32_t hour_buf = 0;

    /* 检查输入参数 */
    if (hour >= 24)
        return ERROR;

    mode = RTC_ReadHourmode();

    if(mode == RTC_HOUR12 && hour > 12)     //12小时模式不可大于12小时
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if(mode == RTC_HOUR24)
    {
        if (hour >= 20)
        {
            hour_buf |= (uint32_t)1<<5;
            hour -= 20;
        }
        else
        {
            hour_buf &= ~((uint32_t)1<<5);
        }
    }
    else
    {
        if(meridiem == 1)
            hour_buf |= (uint32_t)1<<5;
        else
            hour_buf &= ~((uint32_t)1<<5);
    }

    if (hour >= 10)
    {
        hour_buf |= (uint32_t)1<<4;
        hour -= 10;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<4);
    }

    if (hour >= 8)
    {
        hour_buf |= (uint32_t)1<<3;
        hour -= 8;
    } 
    else
    {
        hour_buf &= ~((uint32_t)1<<3);
    }

    if (hour >= 4)
    {
        hour_buf |= (uint32_t)1<<2;
        hour -= 4;
    } 
    else
    {
        hour_buf &= ~((uint32_t)1<<2);
    }

    if (hour >= 2)
    {
        hour_buf |= (uint32_t)1<<1;
        hour -= 2;
    } 
    else
    {
        hour_buf &= ~((uint32_t)1<<1);
    }

    if (hour >= 1)
    {
        hour_buf |= (uint32_t)1;
        hour -= 1;
    } 
    else
    {
        hour_buf &= ~(uint32_t)1;
    }

    RTC->WA.WH = hour_buf;


    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}
/***************************************************************
  函数名：RTC_WriteWeekAlarmWeek
  描  述：修改星期
  输入值：week: 星期（0-6）
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteWeekAlarmWeek(uint32_t week)
{
    uint32_t flag;

    /* 检查输入参数 */
    if (week > 6)
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    RTC->WA.WW = week;

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteDayAlarmMinute
  描  述：修改分钟
  输入值：minute: 分钟
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteDayAlarmMinute(uint32_t minute)
{
    uint32_t flag,minute_buf;

    /* 检查输入参数 */
    if (minute >= 60)
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if (minute >= 40)
    {
        minute_buf |= (uint32_t)1<<6;
        minute -= 40;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<6;
    }

    if (minute >= 20)
    {
        minute_buf |= (uint32_t)1<<5;
        minute -= 20;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<5;
    }

    if (minute >= 10)
    {
        minute_buf |= (uint32_t)1<<4;
        minute -= 10;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<4;
    }

    if (minute >= 8)
    {
        minute_buf |= (uint32_t)1<<3;
        minute -= 8;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<3;
    }

    if (minute >= 4)
    {
        minute_buf |= (uint32_t)1<<2;
        minute -= 4;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<2;
    }

    if (minute >= 2)
    {
        minute_buf |= (uint32_t)1<<1;
        minute -= 2;
    }
    else
    {
        minute_buf &= ~(uint32_t)1<<1;
    }

    if (minute >= 1)
    {
        minute_buf |= (uint32_t)1;
        minute -= 1;
    }
    else
    {
        minute_buf &= ~(uint32_t)1;
    }

    RTC->DA.DM = minute_buf;


    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}

/***************************************************************
  函数名：RTC_WriteDayAlarmHour
  描  述：修改小时
  输入值：hour: 小时
          meridiem：(仅在12小时模式时有效)
                    0 AM
                    1 PM
  输出值：无
  返回值：无
 ***************************************************************/
ErrorStatus RTC_WriteDayAlarmHour(uint32_t hour, uint32_t meridiem)
{
    uint32_t flag,mode;
    uint32_t hour_buf = 0;

    /* 检查输入参数 */
    if (hour >= 24)
        return ERROR;

    mode = RTC_ReadHourmode();

    if(mode == RTC_HOUR12 && hour > 12)     //12小时模式不可大于12小时
        return ERROR;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    if(mode == RTC_HOUR24)
    {
        if (hour >= 20)
        {
            hour_buf |= (uint32_t)1<<5;
            hour -= 20;
        }
        else
        {
            hour_buf &= ~((uint32_t)1<<5);
        }
    }
    else
    {
        if(meridiem == 1)
            hour_buf |= (uint32_t)1<<5;
        else
            hour_buf &= ~((uint32_t)1<<5);
    }

    if (hour >= 10)
    {
        hour_buf |= (uint32_t)1<<4;
        hour -= 10;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<4);
    }

    if (hour >= 8) 
    {
        hour_buf |= (uint32_t)1<<3;
        hour -= 8;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<3);
    }

    if (hour >= 4) 
    {
        hour_buf |= (uint32_t)1<<2;
        hour -= 4;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<2);
    }

    if (hour >= 2) 
    {
        hour_buf |= (uint32_t)1<<1;
        hour -= 2;
    }
    else
    {
        hour_buf &= ~((uint32_t)1<<1);
    }

    if (hour >= 1) 
    {
        hour_buf |= (uint32_t)1;
        hour -= 1;
    }
    else
    {
        hour_buf &= ~(uint32_t)1;
    }

    RTC->DA.DH = hour_buf;

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return SUCCESS;
}


/***************************************************************
  函数名：RTC_InterruptEnable
  描  述：使能实时时钟的某些中断
  输入值：src: 实时时钟的中断源
  输出值：无
  返回值：无
 ***************************************************************/
void RTC_InterruptEnable(RTC_Interrupt_Source src)
{
    uint32_t flag;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    switch (src)
    {
        case RTC_Interrupt_Source_Second:
            RTC->IE.SCDIE = 1;
            break;
        case RTC_Interrupt_Source_Minute:
            RTC->IE.MINIE = 1;
            break;
        case RTC_Interrupt_Source_Hour:
            RTC->IE.HORIE = 1;
            break;
        case RTC_Interrupt_Source_Day:
            RTC->IE.DAYIE = 1;
            break;
        case RTC_Interrupt_Source_Month:
            RTC->IE.MONIE = 1;
            break;
        case RTC_Interrupt_Source_DayALE:
            RTC->IE.DALE = 1;
            break;
        case RTC_Interrupt_Source_WeekALE:
            RTC->IE.WALE = 1;
            break;
        default:
            break;
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;

    NVIC->ISER[0] |= (1 << 20); // 使能NVIC中断
    return;
}

/***************************************************************
  函数名：RTC_InterruptDisable
  描  述：禁能实时时钟的某些中断
  输入值：src: 实时时钟的中断源
  输出值：无
  返回值：无
 ***************************************************************/
void RTC_InterruptDisable(RTC_Interrupt_Source src)
{
    uint32_t flag;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    /* 设置新的值 */
    switch (src)
    {
        case RTC_Interrupt_Source_Second:
            RTC->IE.SCDIE = 0;
            break;
        case RTC_Interrupt_Source_Minute:
            RTC->IE.MINIE = 0;
            break;
        case RTC_Interrupt_Source_Hour:
            RTC->IE.HORIE = 0;
            break;
        case RTC_Interrupt_Source_Day:
            RTC->IE.DAYIE = 0;
            break;
        case RTC_Interrupt_Source_Month:
            RTC->IE.MONIE = 0;
            break;
        case RTC_Interrupt_Source_DayALE:
            RTC->IE.DALE = 0;
            break;
        case RTC_Interrupt_Source_WeekALE:
            RTC->IE.WALE = 0;
            break;
        default:
            break;
    }
    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return;
}

/***************************************************************
  函数名：RTC_GetITStatus
  描  述：读取实时时钟的某些中断状态
  输入值：src: 实时时钟的中断源
  输出值：无
  返回值：中断标志
 ***************************************************************/
ITStatus RTC_GetITStatus(RTC_Interrupt_Source src)
{
    ITStatus result = RESET;

    switch (src) 
    {
        case RTC_Interrupt_Source_Second:
            if(RTC->IE.SCDIE)
            result = SET;
            break;
        case RTC_Interrupt_Source_Minute:
            if(RTC->IE.MINIE)
                result = SET;
            break;
        case RTC_Interrupt_Source_Hour:
            if(RTC->IE.HORIE)
                result = SET;
            break;
        case RTC_Interrupt_Source_Day:
            if(RTC->IE.DAYIE)
                result = SET;
            break;
        case RTC_Interrupt_Source_Month:
            if(RTC->IE.MONIE)
                result = SET;
            break;
        case RTC_Interrupt_Source_DayALE:
            if(RTC->IE.DALE)
                result = SET;
            break;
        case RTC_Interrupt_Source_WeekALE:
            if(RTC->IE.WALE)
                result = SET;
            break;
        default:
            result = RESET;
            break;
    }

    return result;
}

/***************************************************************
  函数名：RTC_GetFlagStatus
  描  述：读取实时时钟的某些中断标志
  输入值：src: 实时时钟的中断源
  输出值：无
  返回值：中断标志
 ***************************************************************/
FlagStatus RTC_GetFlagStatus(RTC_Interrupt_Source src)
{
    FlagStatus result = RESET;

    switch (src) 
    {
        case RTC_Interrupt_Source_Second:
            if(RTC->IF.SCDIF)
                result = SET;
            break;
        case RTC_Interrupt_Source_Minute:
            if(RTC->IF.MINIF)
                result = SET;
            break;
        case RTC_Interrupt_Source_Hour:
            if(RTC->IF.HORIF)
                result = SET;
            break;
        case RTC_Interrupt_Source_Day:
            if(RTC->IF.DAYIF)
                result = SET;
            break;
        case RTC_Interrupt_Source_Month:
            if(RTC->IF.MONIF)
                result = SET;
            break;
        case RTC_Interrupt_Source_DayALE:
            if(RTC->IF.DAFG)
                result = SET;
            break;
        case RTC_Interrupt_Source_WeekALE:
            if(RTC->IF.WAFG)
                result = SET;
            break;
        default:
            result = RESET;
            break;
    }

    return result;
}

/***************************************************************
  函数名：RTC_ClearITPendingBit
  描  述：清除指定的中断标志位
  输入值：src: 实时时钟的中断源
  输出值：无
  返回值：无
 ***************************************************************/
void RTC_ClearITPendingBit(RTC_Interrupt_Source src)
{
    uint32_t flag;

    /* 解除RTC写保护 */
    flag = RTC->WP.WP;
    if (flag == 0x00000000)
        RTC->WP.WP = 0x55AAAA55;

    switch (src)
    {
        case RTC_Interrupt_Source_Second:
            RTC->IF.Word = RTC_Interrupt_Source_Second;
            break;
        case RTC_Interrupt_Source_Minute:
            RTC->IF.Word = RTC_Interrupt_Source_Minute;
            break;
        case RTC_Interrupt_Source_Hour:
            RTC->IF.Word = RTC_Interrupt_Source_Hour;
            break;
        case RTC_Interrupt_Source_Day:
            RTC->IF.Word = RTC_Interrupt_Source_Day;
            break;
        case RTC_Interrupt_Source_Month:
            RTC->IF.Word = RTC_Interrupt_Source_Month;
            break;
        case RTC_Interrupt_Source_DayALE:
            RTC->IF.Word = RTC_Interrupt_Source_DayALE;
            break;
        case RTC_Interrupt_Source_WeekALE:
            RTC->IF.Word = RTC_Interrupt_Source_WeekALE;
            break;
        default:

            break;
    }

    /* 加入RTC写保护 */
    if (flag == 0x00000000)
        RTC->WP.WP = 0x00000000;
    return;
}

/*************************END OF FILE**********************/