50
// milliseconds at last update
51
static unsigned long _last_millis = millis();
53
// milliseconds carries over from last update
54
static unsigned long _carry = 0;
70
const char *Time::get_month_name()
72
static const char *months[] = {
87
return months[ _month - 1 ];
97
const char *Time::get_day_suffix()
28
Time &Time::get_instance()
135
static int days_in_month( int month, int year )
138
return !( year % 4 ) && ( ( year % 100 ) || !( year % 400 ) )? 29 : 28;
139
else if( month == 9 || month == 6 || month == 4 || month == 11 )
146
static void load_time()
148
// get the time from the real-time clock
150
RTC.get( rtc_data, true );
151
_year = rtc_data[ DS1307_YR ];
152
_month = rtc_data[ DS1307_MTH ];
153
_day = rtc_data[ DS1307_DAY ];
154
_hours = rtc_data[ DS1307_HR ];
155
_minutes = rtc_data[ DS1307_MIN ];
156
_seconds = rtc_data[ DS1307_SEC ];
158
// make sure some numbers are in range
159
if( _year < YEAR_MIN || _year > YEAR_MAX ) _year = 2010;
160
if( _month < 1 || _month > 12 ) _month = 1;
161
if( _day < 1 || _day > days_in_month( _year, _month ) ) _day = 1;
165
53
void Time::update()
167
// how many milliseconds have elapsed since we last checked?
55
// how many milliseonds have elapsed since we last checked?
168
56
unsigned long millis = ::millis();
169
57
unsigned long delta = millis - _last_millis + _carry;
180
68
if( _minutes >= 60 ) {
186
// We *could* manually work out the day here... but we might as
187
// well ask the RTC hardware. We can't do this *all* the time
188
// though, because it isn't fast enough and will actually cause
189
// a minor display glitch.
203
static void save_time()
205
// set the time on the real-time clock
207
RTC.set( DS1307_YR, _year );
208
RTC.set( DS1307_MTH, _month );
209
RTC.set( DS1307_DAY, _day );
210
RTC.set( DS1307_HR, _hours );
211
RTC.set( DS1307_MIN, _minutes );
212
RTC.set( DS1307_SEC, _seconds );
217
void Time::inc_hours()
225
void Time::inc_minutes()
227
if( ++_minutes >= 60 )
233
void Time::reset_seconds()
240
void Time::inc_year()
242
if( ++_year >= YEAR_MAX )
248
void Time::inc_month()
257
if( ++_day > days_in_month( _month, _year ) )
80
_last_millis( millis() ),
83
// get the time from the real-time clock
85
RTC.get( rtc_data, true );
86
_hours = rtc_data[ DS1307_HR ];
87
_minutes = rtc_data[ DS1307_MIN ];
88
_seconds = rtc_data[ DS1307_SEC ];