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/************************************************************************/
/* */
/* Clock / Calendar */
/* */
/* Author: Peter Dannegger */
/* danni@specs.de */
/* */
/************************************************************************/
#include "main.h"
#include "clock.h"
#include "max7219.h"
#include "timebase.h"
#include "dcf77.h"
struct time data time;
void display_date( void )
{
displaymem[7] = time.day / 10;
displaymem[6] = time.day % 10 | ATTRIB_DP;
displaymem[5] = time.month / 10;
displaymem[4] = time.month % 10 | ATTRIB_DP;
displaymem[3] = 2;
displaymem[2] = 0;
displaymem[1] = time.year / 10;
displaymem[0] = time.year % 10;
}
void display_time(void)
{
displaymem[7] = time.hour / 10;
displaymem[6] = time.hour % 10;
displaymem[4] = time.minute / 10;
displaymem[3] = time.minute % 10;
displaymem[1] = time.second / 10;
displaymem[0] = time.second % 10;
}
u8 code MDAYS[] = {
29, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
void clock(void)
{
u8 i;
time.second++;
if( time.second == 60 ){
time.second = 0;
timeflags = 1<<ONE_MINUTE; // to correct deviation per minute
time.minute++;
if( time.minute == 60 ){
time.minute = 0;
time.hour++;
switch( time.hour ){
case 24:
time.hour = 0;
time.day++;
time.wday++;
if( time.wday == 8 )
time.wday = 1;
i = time.month;
if( i == 2 && (time.year & 3) == 0 ) // leap year
i = 0;
if( LPM(MDAYS+1) == time.day ){
time.day = 1;
time.month++;
if( time.month == 13 ){
time.month = 1;
time.year++;
if( time.year == 100 )
time.year = 0; // next century
}
}
break;
// case 2:
// case 3: summertime(); break;
}
}
}
}
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