mirror of https://github.com/sqfmi/Watchy.git
Delete WatchyRTC.cpp
GuruSR
GitHub
parent
2f3030a297
commit
e622797f34
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#include "WatchyRTC.h"
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RTC_DATA_ATTR bool UsedCentury = false;
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WatchyRTC::WatchyRTC()
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: rtc_ds(false) {}
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void WatchyRTC::init(){
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byte error;
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Wire.beginTransmission(RTC_DS_ADDR);
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error = Wire.endTransmission();
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if(error == 0){
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rtcType = DS3231;
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}else{
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Wire.beginTransmission(RTC_PCF_ADDR);
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error = Wire.endTransmission();
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if(error == 0){
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rtcType = PCF8563;
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}else{
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//RTC Error
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}
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}
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}
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void WatchyRTC::config(String datetime){
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if(rtcType == DS3231){
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_DSConfig(datetime);
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}else{
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_PCFConfig(datetime);
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}
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}
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void WatchyRTC::clearAlarm(){
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if(rtcType == DS3231){
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rtc_ds.alarm(ALARM_2);
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}else{
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int nextAlarmMinute = constrain(rtc_pcf.getMinute() + 1, 0, 59); //set alarm to trigger 1 minute from now
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rtc_pcf.clearAlarm(); //resets the alarm flag in the RTC
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rtc_pcf.setAlarm(nextAlarmMinute, 99, 99, 99);
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}
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}
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void WatchyRTC::read(tmElements_t &tm){ // Returns year from 1900 and beyond.
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if(rtcType == DS3231){
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rtc_ds.read(tm);
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}else{
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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 = 121; // From Epoch.
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}else{
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tm.Year = rtc_pcf.getYear() + (UsedCentury ? RTC_CENTURY_OFFSET : 0); // Put 1900 year back on if used prior.
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}
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tm.Day = rtc_pcf.getDay();
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tm.Wday = rtc_pcf.getWeekday();
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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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}
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void WatchyRTC::set(tmElements_t tm){ // Requires dates from year 1900 and beyond.
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if(rtcType == DS3231){
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rtc_ds.write(tm);
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}else{
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UsedCentury = false;
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if (tm.Year > 99) {UsedCentury = true; tm.Year -= RTC_CENTURY_OFFSET; }
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rtc_pcf.setDate(tm.Day, _getDayOfWeek(tm.Day, tm.Month, tm.Year), tm.Month, (UsedCentury ? 0 : 1), 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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}
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uint8_t WatchyRTC::temperature(){
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if(rtcType == DS3231){
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return rtc_ds.temperature();
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}else{
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return 255; //error
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}
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}
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void WatchyRTC::_DSConfig(String datetime){ // Requires dates from year 1900 and beyond.
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if(datetime != ""){
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tmElements_t tm;
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int Year = _getValue(datetime, ':', 0).toInt();
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if (Year >= RTC_YEAR_OFFSET) Year -= RTC_YEAR_OFFSET;
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tm.Month = _getValue(datetime, ':', 1).toInt();
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tm.Day = _getValue(datetime, ':', 2).toInt();
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tm.Hour = _getValue(datetime, ':', 3).toInt();
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tm.Minute = _getValue(datetime, ':', 4).toInt();
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tm.Second = _getValue(datetime, ':', 5).toInt();
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tm.Year = Year;
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time_t t = makeTime(tm);
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rtc_ds.set(t);
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}
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//https://github.com/JChristensen/DS3232RTC
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rtc_ds.squareWave(SQWAVE_NONE); //disable square wave output
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rtc_ds.setAlarm(ALM2_EVERY_MINUTE, 0, 0, 0, 0); //alarm wakes up Watchy every minute
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rtc_ds.alarmInterrupt(ALARM_2, true); //enable alarm interrupt
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}
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void WatchyRTC::_PCFConfig(String datetime){ // Requires dates from year 1900 and beyond.
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if(datetime != ""){
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tmElements_t tm;
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UsedCentury = false;
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int Year = _getValue(datetime, ':', 0).toInt();
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int Y = Year;
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if (Year >= RTC_YEAR_OFFSET) Year -= RTC_YEAR_OFFSET;
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if (Year > 99) {UsedCentury = true; Year -= RTC_CENTURY_OFFSET; }
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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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rtc_pcf.setDate(Day, _getDayOfWeek(Day, Month, Y), Month, (UsedCentury ? 0 : 1), Year);
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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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int WatchyRTC::_getDayOfWeek(int d, int m, int y)
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{
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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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String WatchyRTC::_getValue(String data, char separator, int index)
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{
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int found = 0;
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int strIndex[] = {0, -1};
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int maxIndex = data.length()-1;
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for(int i=0; i<=maxIndex && found<=index; i++){
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if(data.charAt(i)==separator || i==maxIndex){
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found++;
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strIndex[0] = strIndex[1]+1;
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strIndex[1] = (i == maxIndex) ? i+1 : i;
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}
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}
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return found>index ? data.substring(strIndex[0], strIndex[1]) : "";
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}
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