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通过当前秒数计算年月日,时分秒。
通过当前年月日时分秒计算秒数。
/*******************************************************************************
* Function Name : GetDateTime
* Description : This function GetDataTime
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void GetDateTime(unsigned long int RTC_Second,unsigned short int StartYear)
{
auto unsigned char Ry=RESET; // 闰年变量初始化
auto unsigned short int Yeartmp=RESET,Monthtmp=RESET,Daytmp=RESET; // 年月日变量初始化
auto unsigned long int Secondtmp=RESET; // 秒变量初始化
static volatile unsigned char Refurbish=RESET; // 上电初始化
Yeartmp = StartYear;
if((RTC_Second%60==RESET) || (RTC_Refurbish==RESET))
{
for(Secondtmp = RTC_Second; Secondtmp>=86400;Secondtmp-=86400)
{
Daytmp ;
if((Yeartmp%4) == RESET) Ry = TRUE;
else Ry = FALSE;
if(Daytmp>=(365 Ry))
{
Yeartmp ; //年份 1
Monthtmp = RESET; //月清零
Daytmp = RESET; //日清零
}
}
RTC_Refurbish = TRUE; // 已经上电初始化过
if(Daytmp<(31)) Monthtmp = 0; //1月
else if(Daytmp<(59 Ry)){\
Monthtmp = 1; //2月
Daytmp -= 31;}else if(Daytmp<(90 Ry)){\
Monthtmp = 2; //3月
Daytmp -= (59 Ry);}else if(Daytmp<(120 Ry)){\
Monthtmp = 3; //4月
Daytmp -= (90 Ry);}else if(Daytmp<(151 Ry)){\
Monthtmp = 4; //5月
Daytmp -= (120 Ry);}else if(Daytmp<(181 Ry)){\
Monthtmp = 5; //6月
Daytmp -= (151 Ry);}else if(Daytmp<(212 Ry)){\
Monthtmp = 6; //7月
Daytmp -= (181 Ry);}else if(Daytmp<(243 Ry)){\
Monthtmp = 7; //8月
Daytmp -= (212 Ry);}else if(Daytmp<(273 Ry)){\
Monthtmp = 8; //9月
Daytmp -= (243 Ry);}else if(Daytmp<(304 Ry)){\
Monthtmp = 9; //10月
Daytmp -= (273 Ry);}else if(Daytmp<(334 Ry)){\
Monthtmp = 10; //11月
Daytmp -= (304 Ry);}else if(Daytmp<(365 Ry)){\
Monthtmp = 11; //12月
Daytmp -= (334 Ry);}
NowTime.getYear = (unsigned short int)Yeartmp; // 获取“年”
NowTime.getMonth = (unsigned char)(Monthtmp 1); // 获取“月”
NowTime.getDay = (unsigned char)(Daytmp 1); // 获取“日”
NowTime.getHour = (unsigned char)(Secondtmp/3600); // 获取“时”
NowTime.getMinute = (unsigned char)((Secondtmp%3600)/60); // 获取“分”
}
else
{
Secondtmp = (RTC_Second%86400); // 获取“秒数”
}
NowTime.getSecond = (unsigned char)((Secondtmp%3600)%60); // 获取“秒”
}
/*******************************************************************************
* Function Name : SetDateTime
* Description : This function SetDateTime
* Input : 年,月,日,时,分,秒,起始年份
* Output : None
* Return : Second
*******************************************************************************/
unsigned long int SetDateTime(unsigned short int NewYear,unsigned char NewMonth,unsigned char NewDay,unsigned char NewHour,unsigned char NewMinute,unsigned char NewSecond,unsigned short int StartYear)
{
auto unsigned char Ry=RESET; // 闰年标记
auto unsigned short int Yeartmp,Monthtmp,Daytmp,Hourtmp,Minutetmp; // 年月日时分变量初始化
auto unsigned long int Secondtmp=RESET; // 秒变量初始化
Yeartmp = NewYear; // 调用函数年参数
Monthtmp = NewMonth; // 调用函数月参数
Daytmp = NewDay; // 调用函数日参数
Hourtmp = NewHour; // 调用函数时参数
Minutetmp = NewMinute; // 调用函数分参数
Secondtmp = NewSecond; // 调用函数秒参数
while(((Yeartmp-StartYear)>0)||(Monthtmp>1)||(Daytmp>1)) // 循环执行至00年1月1号
{
if(Daytmp>=1) // 有有效日数便执行秒数累计
{
Secondtmp = 86400; // 秒数累计
Daytmp--; // 日数减一
}
else // 无有效日数
{
if(Monthtmp>1) // 判断月数
{
Monthtmp--; // 月数减一
if((Yeartmp%4)==0) Ry = TRUE;
else Ry = FALSE;
switch(Monthtmp)
{
case 1: Daytmp = 31; break;
case 2: if(Ry)Daytmp = 29;
else Daytmp = 28; break;
case 3: Daytmp = 31; break;
case 4: Daytmp = 30; break;
case 5: Daytmp = 31; break;
case 6: Daytmp = 30; break;
case 7: Daytmp = 31; break;
case 8: Daytmp = 31; break;
case 9: Daytmp = 30; break;
case 10: Daytmp = 31; break;
case 11: Daytmp = 30; break;
default: break;
}
}
else // 无有效月数
{
if((Yeartmp-StartYear)>0) // 如果还有剩余年数
{
Yeartmp--; // 年数减一
Monthtmp = 12; // 进入12月
Daytmp = 31; // 31号
}
}
}
}
Secondtmp = ((Hourtmp*3600) (Minutetmp*60) Secondtmp); // 转换为最终秒数
return Secondtmp; // 返回秒数
}