在dev-c++上編譯測試過

#include <iostream>


/* run this program using the console pauser or add your own getch, system("pause") or input loop */




typedef unsigned char u8 ;
typedef signed char s8;


typedef unsigned short u16;
typedef signed short s16;


typedef int s32;
typedef unsigned int u32;


typedef long long s64;
typedef unsigned long long u64;




typedef unsigned char U8 ;
typedef signed char S8;


typedef unsigned short U16;
typedef signed short S16;


typedef int S32;
typedef unsigned int U32;


typedef long long S64;
typedef unsigned long long U64;




typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned long int uint32_t;
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed long int int32_t;




struct doorTm
{
? ? S32 tm_sec; ? /* seconds after the minute, 0 to 60
? ? ? ? ? ? ? ? ? ? ?(0 - 60 allows for the occasional leap second) */
? ? S32 tm_min; ? /* minutes after the hour, 0 to 59 */
? ? S32 tm_hour; ?/* hours since midnight, 0 to 23 */
? ? S32 tm_mday; ?/* day of the month, 1 to 31 */
? ? S32 tm_mon; ? /* months since January, 0 to 11 */
? ? S32 tm_year; ?/* years since 1900 */


? ? S32 tm_wday; ?/* days since Sunday, 0 to 6 */
? ? S32 tm_yday; ?/* days since January 1, 0 to 365 */
? ? S32 tm_isdst; /* Daylight Savings Time flag */
};










#include <string.h>


//#define NULL 0




static const S8 mon_list[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
static const S8 leap_mon_list[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};


S32 SoftRtcCounter;


S32 GetSoftRtcCounter(void)
{
return SoftRtcCounter;
}








void SetSoftRtcCounter(S32 counter)
{
SoftRtcCounter = counter;
}






U8 DoorGetWeekDay(U8 c, U8 y, U8 m, U8 d)
{
U8 w;//weekday
//printf("c:%d y:%d m:%d d:%d\n", c, y, m, d);
if(m <= 2)
{


}
else
{
w = y + y/4 + c/4 - 2*c + 26*(m+1)/10 + d - 1;
w = w % 7;
return w;
}


m = m+12;//month
if(y == 0)
{
y = 99;
c = c - 1;//century
}
else
{
y = y - 1;//year
}


//printf("c:%d y:%d m:%d d:%d\n", c, y, m, d);


w = y + y/4 + c/4 - 2*c + 26*(m+1)/10 + d - 1;
w = w % 7;
return w;
}












S32 DoorMktime(struct doorTm *pT)
{
? ? const S8 *pDays = 0;
? ? S32 tmp = 0;
? ? S16 i = 0;


? ? //計算總共有多少個閏年
? ? tmp = (pT->tm_year / 4 - pT->tm_year / 100 + pT->tm_year / 400) - (1970 / 4 - 1970 / 100 + 1970 / 400);


? ? //如果當年是閏年，需要減去當年的閏年
? ? if((pT->tm_year % 4 == 0) && ((pT->tm_year % 100 != 0) || (pT->tm_year ?% 400 == 0)))
? ? {
? ? ? ? tmp = tmp - 1 + (pT->tm_year - 1970) * 365;
? ? ? ? pDays = leap_mon_list;
? ? }
? ? else
? ? {
? ? ? ? tmp = tmp + (pT->tm_year - 1970) * 365;
? ? ? ? pDays = mon_list;
? ? }


? ? for(i = 0; i < pT->tm_mon - 1; i++)
? ? {
? ? ? ? tmp += pDays[i];
? ? }


? ? tmp = tmp + pT->tm_mday - 1;
? ? tmp = tmp * 24 + pT->tm_hour;
? ? tmp = tmp * 60 + pT->tm_min;
? ? tmp = tmp * 60 + pT->tm_sec;
? ? return tmp;
}














void DoorLocaltime(struct doorTm *pT, S32 tim)
{
const S8 *pDays = NULL;


U16 index = 0;


memset(pT, 0, sizeof(*pT));


//year initialization
if(tim > 0x5685C180L) ? ? ? ? ? ?// 2016-1-1 0:0:0
{
pT->tm_year = 2016;
tim -= 0x5685C180L;
}
else if(tim > 0x4B3D3B00L) ? ? ? // 2010-1-1 0:0:0
{
pT->tm_year = 2010;
tim -= 0x4B3D3B00L;
}
else if(tim > 0x386D4380L) ? ? ? // 2000-1-1 0:0:0
{
pT->tm_year = 2000;
tim -= 0x386D4380L;
}
else
{
pT->tm_year = 1970;
}


//now have year
while(tim >= 366L * 24 * 60 * 60)
{
if((pT->tm_year % 4 == 0) && ((pT->tm_year % 100 != 0) || (pT->tm_year % 400 == 0)))
{
tim -= 366L * 24 * 60 * 60;
}
else
{
tim -= 365L * 24 * 60 * 60;
}
pT->tm_year++;
}


// then 365 * 24 * 60 * 60 < tim < 366 * 24 * 60 * 60
if(!(((pT->tm_year % 4 == 0) && ((pT->tm_year % 100 != 0) || (pT->tm_year % 400 == 0)))) && (tim > 365L * 24 * 60 * 60))
{
tim -= 365L * 24 * 60 * 60;
pT->tm_year++;
}


// this year is a leap year?
if(((pT->tm_year % 4 == 0) && ((pT->tm_year ?% 100 != 0) || (pT->tm_year ?% 400 == 0))))
{
pDays = leap_mon_list;
}
else
{
pDays = mon_list;
}


pT->tm_mon = 1;
// now have mon
while(tim > pDays[index] * 24L * 60 * 60)
{
tim -= pDays[index] * 24L * 60 * 60;
index++;
pT->tm_mon++;
}


// now have days
pT->tm_mday = tim / (24L * 60 * 60) + 1;
tim = tim % (24L * 60 * 60);


// now have hour
pT->tm_hour = tim / (60 * 60);
tim = tim % (60 * 60);


// now have min
pT->tm_min = tim / 60;
tim = tim % 60;


pT->tm_sec = tim;
}








static U8 HexToBcd(U8 hexValue)
{
U8 bcdValue;
bcdValue = hexValue / 10;
bcdValue = (hexValue % 10) | (bcdValue << 4);
return bcdValue;
}










static U8 BcdToHex(U8 bcdValue)
{
U8 hexValue;
hexValue = bcdValue & 0x0f;
hexValue = hexValue + (bcdValue >> 4) * 10;
return hexValue;
}










/*修改RTC時間,BCD格式*/
void UpdateRtcSoftTime(U8 *time)
{
U8 i;
struct doorTm *pT = {0};
struct doorTm ptTest;
pT = &ptTest;
S32 timeCounter = 0;

for(i=0; i<7; i++)
{
time[i] = BcdToHex(time[i]);
}
pT->tm_year = time[0] + 2000;
pT->tm_mon = time[1];
pT->tm_mday = time[2];
pT->tm_hour = time[3];
pT->tm_min = time[4];
pT->tm_sec = time[5];


timeCounter = DoorMktime(pT);
SetSoftRtcCounter(timeCounter);
}






#include <stdio.h>


/*讀取RTC時間,BCD格式*/
void ReadSoftRtcTime(U8 *time)
{
U8 i;
struct doorTm *pT = {0};
S32 timeCounter = 0;
timeCounter = GetSoftRtcCounter();
struct doorTm ptTest;
pT = &ptTest;
DoorLocaltime(pT, timeCounter);
time[0] = pT->tm_year-2000;//<2000?
time[1] = pT->tm_mon;
time[2] = pT->tm_mday;
time[3] = pT->tm_hour;
time[4] = pT->tm_min;
time[5] = pT->tm_sec;
time[6] = pT->tm_wday;
for(i=0; i<7; i++)
{
time[i] = HexToBcd(time[i]);
printf("%02X ", time[i]);
}
printf("\r\n");
}










S32 SoftRtcTest1(void)
{
U8 time[16];
ReadSoftRtcTime(time);




return 0;
}












S32 SoftRtcTest2(void)
{
U8 time[16];
time[0] = 0x17;
time[1] = 0x02;
time[2] = 0x13;
time[3] = 0x12;
time[4] = 0x41;
time[5] = 0x55;
UpdateRtcSoftTime(time);


return 0;
}














int main(int argc, char** argv)?
{
SoftRtcTest2();
SoftRtcTest1();
int weekDay = DoorGetWeekDay(20, 17, 10, 16);
printf("weekDay:%d\n", weekDay);

return 0;
}

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