mirror of https://github.com/sqfmi/Watchy.git
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
#include "PCF8563.h"
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void PCF8563::config(String datetime) {
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if (datetime != "") {
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int Year = getValue(datetime, ':', 0).toInt();
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int Month = getValue(datetime, ':', 1).toInt();
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int Day = getValue(datetime, ':', 2).toInt();
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int Hour = getValue(datetime, ':', 3).toInt();
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int Minute = getValue(datetime, ':', 4).toInt();
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int Second = getValue(datetime, ':', 5).toInt();
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//day, weekday, month, century(1=1900, 0=2000), year(0-99)
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int dayOfWeek = getDayOfWeek(Day, Month, Year);
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// offset from 2000
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rtc_pcf.setDate(Day, dayOfWeek, Month, 0, Year - YEAR_OFFSET_PCF);
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//hr, min, sec
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rtc_pcf.setTime(Hour, Minute, Second);
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}
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clearAlarm();
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}
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void PCF8563::clearAlarm() {
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int nextAlarmMinute = 0;
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rtc_pcf.clearAlarm(); // resets the alarm flag in the RTC
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nextAlarmMinute = rtc_pcf.getMinute();
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nextAlarmMinute = (nextAlarmMinute == 59) ? 0 : (nextAlarmMinute + 1); //set alarm to trigger 1 minute from now
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rtc_pcf.setAlarm(nextAlarmMinute, 99, 99, 99);
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}
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void PCF8563::read(tmElements_t &tm) {
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tm.Month = rtc_pcf.getMonth();
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if (tm.Month == 0){ //PCF8563 POR sets month = 0 for some reason
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tm.Month = 1;
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tm.Year = 21;
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} else {
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tm.Year = rtc_pcf.getYear();
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}
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tm.Day = rtc_pcf.getDay();
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tm.Wday = rtc_pcf.getWeekday() + 1;
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tm.Hour = rtc_pcf.getHour();
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tm.Minute = rtc_pcf.getMinute();
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tm.Second = rtc_pcf.getSecond();
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}
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void PCF8563::set(tmElements_t tm) {
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int dayOfWeek = getDayOfWeek(tm.Day, tm.Month, tm.Year + YEAR_OFFSET_PCF);
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rtc_pcf.setDate(tm.Day, dayOfWeek, tm.Month, 0, tm.Year);
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rtc_pcf.setTime(tm.Hour, tm.Minute, tm.Second);
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clearAlarm();
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}
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int PCF8563::getDayOfWeek(int d, int m, int y) {
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static int t[] = { 0, 3, 2, 5, 0, 3,
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5, 1, 4, 6, 2, 4 };
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y -= m < 3;
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return ( y + y / 4 - y / 100 +
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y / 400 + t[m - 1] + d) % 7;
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}
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int PCF8563::rtcType() {
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return RTC_TYPE_PCF8563;
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} |