Posted on May 17, 2011 at 12:59Instead of building a whole calendar, try the code below. Just include time.h
And look at the doc here:
http://www.cplusplus.com/reference/clibrary/ctime/ Will probably prevent you from reinventing the wheel...
-Relaxe.
/*******************************************************************************
* Function Name : Time_Regulate
* Description : Returns the time entered by user, using Hyperterminal.
* Input : None
* Output : None
* return : Current time RTC counter value
*******************************************************************************/
u32 Time_Regulate(void)
{
struct tm t;
time_t t_of_day;
printf(''\r\n==============Time Settings====================================='');
printf(''\nYear:'');
t.tm_year = USART_Scanf(2038)-1900;
printf(''\nMonth:'');
t.tm_mon = USART_Scanf(12)-1; //Number of months since January. [0-11] Go figure.
printf(''\nDay:'');
t.tm_mday = USART_Scanf(31);
printf(''\nHour:'');
t.tm_hour = USART_Scanf(24);
printf(''\nMinutes:'');
t.tm_min = USART_Scanf(60);
printf(''\nSeconds:'');
t.tm_sec = USART_Scanf(60);
t.tm_isdst = 0;
t_of_day = mktime(&t);
printf(''\n'');
printf(ctime(&t_of_day));
/* Return the value to store in RTC counter register */
return(t_of_day);
}
/*******************************************************************************
* Function Name : USART_Scanf
* Description : Gets numeric values from the hyperterminal.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
u32 USART_Scanf(u32 value)
{
u32 index = 0;
u32 tmp[10] = {0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30};
u32 indexlength = 0;
u32 valuetmp;
//Calculate the length (in char) max of user input
valuetmp = value;
if(value)
{
indexlength++;
}
for(valuetmp = value; valuetmp > 9; ++indexlength)
{
valuetmp = (valuetmp / 10);
}
index = 10-indexlength;
while (index != 10)
{
/* Loop until RXNE = 1 */
while (USART_GetFlagStatus(USART1, USART_FLAG_RXNE) == RESET)
{}
tmp[index++] = (USART_ReceiveData(USART1));
if ((tmp[index - 1] < 0x30) || (tmp[index - 1] > 0x39))
{
printf(''\n\rPlease enter valid number between 0 and 9'');
index--;
}
else
{
USART_SendData(USART1, (u8) tmp[index-1]);
while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
{}
}
}
/* Calculate the Corresponding value */
index = (tmp[9] - 0x30) +
((tmp[8] - 0x30) * 10) +
((tmp[7] - 0x30) * 100) +
((tmp[6] - 0x30) * 1000) +
((tmp[5] - 0x30) * 10000) +
((tmp[4] - 0x30) * 100000) +
((tmp[3] - 0x30) * 1000000) +
((tmp[2] - 0x30) * 10000000) +
((tmp[1] - 0x30) * 100000000) +
((tmp[0] - 0x30) * 1000000000);
/* Checks */
if (index > value)
{
printf(''\n\rPlease enter valid number between 0 and %d'', value);
return 0xFFFFFFFF;
}
return index;
}
[ This message was edited by: relaxe on 14-01-2009 18:27 ]
