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Merge pull request #347 from andreagilardoni/rtc-fixes
Fix RTC resetting after reboot
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| /* | ||
| * RTC_Reset | ||
| * | ||
| * This example sets the RTC with __TIMESTAMP__ macro and can be used to test whether the settings of | ||
| * RTC persists after a reset or when VRTC is powered. If VRTC is powered I can disconnect the board | ||
| * from the usb cable and the RTC value will persist | ||
| * | ||
| * Find the full UNO R4 WiFi RTC documentation here: | ||
| * https://docs.arduino.cc/tutorials/uno-r4-wifi/rtc | ||
| */ | ||
|
|
||
| // Include the RTC library | ||
| #include "RTC.h" | ||
|
|
||
| bool alarmFlag = false; | ||
|
|
||
| DayOfWeek convertDayOfWeek(String s) | ||
| { | ||
| if (s == String("Mon")) | ||
| { | ||
| return DayOfWeek::MONDAY; | ||
| } | ||
| if (s == String("Tue")) | ||
| { | ||
| return DayOfWeek::TUESDAY; | ||
| } | ||
| if (s == String("Wed")) | ||
| { | ||
| return DayOfWeek::WEDNESDAY; | ||
| } | ||
| if (s == String("Thu")) | ||
| { | ||
| return DayOfWeek::THURSDAY; | ||
| } | ||
| if (s == String("Fri")) | ||
| { | ||
| return DayOfWeek::FRIDAY; | ||
| } | ||
| if (s == String("Sat")) | ||
| { | ||
| return DayOfWeek::SATURDAY; | ||
| } | ||
| if (s == String("Sun")) | ||
| { | ||
| return DayOfWeek::SUNDAY; | ||
| } | ||
| } | ||
|
|
||
| Month convertMonth(String s) | ||
| { | ||
| if (s == String("Jan")) | ||
| { | ||
| return Month::JANUARY; | ||
| } | ||
| if (s == String("Feb")) | ||
| { | ||
| return Month::FEBRUARY; | ||
| } | ||
| if (s == String("Mar")) | ||
| { | ||
| return Month::MARCH; | ||
| } | ||
| if (s == String("Apr")) | ||
| { | ||
| return Month::APRIL; | ||
| } | ||
| if (s == String("May")) | ||
| { | ||
| return Month::MAY; | ||
| } | ||
| if (s == String("Jun")) | ||
| { | ||
| return Month::JUNE; | ||
| } | ||
| if (s == String("Jul")) | ||
| { | ||
| return Month::JULY; | ||
| } | ||
| if (s == String("Aug")) | ||
| { | ||
| return Month::AUGUST; | ||
| } | ||
| if (s == String("Sep")) | ||
| { | ||
| return Month::SEPTEMBER; | ||
| } | ||
| if (s == String("Oct")) | ||
| { | ||
| return Month::OCTOBER; | ||
| } | ||
| if (s == String("Nov")) | ||
| { | ||
| return Month::NOVEMBER; | ||
| } | ||
| if (s == String("Dec")) | ||
| { | ||
| return Month::DECEMBER; | ||
| } | ||
| } | ||
|
|
||
| RTCTime currentRTCTime() | ||
| { | ||
| // Get a compilation timestamp of the format: Wed May 10 08:54:31 2023 | ||
| // __TIMESTAMP__ is a GNU C extension macro | ||
| // We can't use the standard macros __DATE__ and __TIME__ because they don't provide the day of the week | ||
| String timeStamp = __TIMESTAMP__; | ||
| // Extract the day of the week | ||
| int pos1 = timeStamp.indexOf(" "); | ||
| DayOfWeek dayOfWeek = convertDayOfWeek(timeStamp.substring(0, pos1)); | ||
| // Extract the month | ||
| ++pos1; | ||
| int pos2 = timeStamp.indexOf(" ", pos1); | ||
| Month month = convertMonth(timeStamp.substring(pos1, pos2)); | ||
| // Extract the day | ||
| pos1 = ++pos2; | ||
| pos2 = timeStamp.indexOf(" ", pos1); | ||
| int day = timeStamp.substring(pos1, pos2).toInt(); | ||
| // Extract the hour | ||
| pos1 = ++pos2; | ||
| pos2 = timeStamp.indexOf(":", pos1); | ||
| int hour = timeStamp.substring(pos1, pos2).toInt(); | ||
| // Extract the minute | ||
| pos1 = ++pos2; | ||
| pos2 = timeStamp.indexOf(":", pos1); | ||
| int minute = timeStamp.substring(pos1, pos2).toInt(); | ||
| // Extract the second | ||
| pos1 = ++pos2; | ||
| pos2 = timeStamp.indexOf(" ", pos1); | ||
| int second = timeStamp.substring(pos1, pos2).toInt(); | ||
| // Extract the year | ||
| pos1 = ++pos2; | ||
| pos2 = timeStamp.indexOf(" ", pos1); | ||
| int year = timeStamp.substring(pos1, pos2).toInt(); | ||
|
|
||
| return RTCTime(day, month, year, hour, minute, second, dayOfWeek, SaveLight::SAVING_TIME_INACTIVE); | ||
| } | ||
|
|
||
| void setup() | ||
| { | ||
| Serial.begin(9600); | ||
| while (!Serial) ; | ||
|
|
||
| // Initialize the RTC | ||
| RTC.begin(); | ||
|
|
||
| // if the RTC is not running set its value to the compile time __TIMESTAMP__ macro | ||
| if(!RTC.isRunning()) { | ||
| RTCTime timeToSet = currentRTCTime(); | ||
| RTC.setTime(timeToSet); | ||
| } | ||
| } | ||
|
|
||
| void loop() | ||
| { | ||
| Serial.println("The RTC time is: "); | ||
| RTCTime currentTime; | ||
| RTC.getTime(currentTime); | ||
| Serial.print(currentTime.getYear()); | ||
| Serial.print("-"); | ||
| Serial.print(Month2int(currentTime.getMonth())); | ||
| Serial.print("-"); | ||
| Serial.print(currentTime.getDayOfMonth()); | ||
| Serial.print(" "); | ||
| Serial.print(currentTime.getHour()); | ||
| Serial.print(":"); | ||
| Serial.print(currentTime.getMinutes()); | ||
| Serial.print(":"); | ||
| Serial.println(currentTime.getSeconds()); | ||
|
|
||
| delay(1000); | ||
| } |
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