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| 1 | +/* |
| 2 | + * RTC_Reset |
| 3 | + * |
| 4 | + * This example sets the RTC with __TIMESTAMP__ macro and can be used to test whether the settings of |
| 5 | + * RTC persists after a reset or when VRTC is powered. If VRTC is powered I can disconnect the board |
| 6 | + * from the usb cable and the RTC value will persist |
| 7 | + * |
| 8 | + * Find the full UNO R4 WiFi RTC documentation here: |
| 9 | + * https://docs.arduino.cc/tutorials/uno-r4-wifi/rtc |
| 10 | + */ |
| 11 | + |
| 12 | +// Include the RTC library |
| 13 | +#include "RTC.h" |
| 14 | + |
| 15 | +bool alarmFlag = false; |
| 16 | + |
| 17 | +DayOfWeek convertDayOfWeek(String s) |
| 18 | +{ |
| 19 | + if (s == String("Mon")) |
| 20 | + { |
| 21 | + return DayOfWeek::MONDAY; |
| 22 | + } |
| 23 | + if (s == String("Tue")) |
| 24 | + { |
| 25 | + return DayOfWeek::TUESDAY; |
| 26 | + } |
| 27 | + if (s == String("Wed")) |
| 28 | + { |
| 29 | + return DayOfWeek::WEDNESDAY; |
| 30 | + } |
| 31 | + if (s == String("Thu")) |
| 32 | + { |
| 33 | + return DayOfWeek::THURSDAY; |
| 34 | + } |
| 35 | + if (s == String("Fri")) |
| 36 | + { |
| 37 | + return DayOfWeek::FRIDAY; |
| 38 | + } |
| 39 | + if (s == String("Sat")) |
| 40 | + { |
| 41 | + return DayOfWeek::SATURDAY; |
| 42 | + } |
| 43 | + if (s == String("Sun")) |
| 44 | + { |
| 45 | + return DayOfWeek::SUNDAY; |
| 46 | + } |
| 47 | +} |
| 48 | + |
| 49 | +Month convertMonth(String s) |
| 50 | +{ |
| 51 | + if (s == String("Jan")) |
| 52 | + { |
| 53 | + return Month::JANUARY; |
| 54 | + } |
| 55 | + if (s == String("Feb")) |
| 56 | + { |
| 57 | + return Month::FEBRUARY; |
| 58 | + } |
| 59 | + if (s == String("Mar")) |
| 60 | + { |
| 61 | + return Month::MARCH; |
| 62 | + } |
| 63 | + if (s == String("Apr")) |
| 64 | + { |
| 65 | + return Month::APRIL; |
| 66 | + } |
| 67 | + if (s == String("May")) |
| 68 | + { |
| 69 | + return Month::MAY; |
| 70 | + } |
| 71 | + if (s == String("Jun")) |
| 72 | + { |
| 73 | + return Month::JUNE; |
| 74 | + } |
| 75 | + if (s == String("Jul")) |
| 76 | + { |
| 77 | + return Month::JULY; |
| 78 | + } |
| 79 | + if (s == String("Aug")) |
| 80 | + { |
| 81 | + return Month::AUGUST; |
| 82 | + } |
| 83 | + if (s == String("Sep")) |
| 84 | + { |
| 85 | + return Month::SEPTEMBER; |
| 86 | + } |
| 87 | + if (s == String("Oct")) |
| 88 | + { |
| 89 | + return Month::OCTOBER; |
| 90 | + } |
| 91 | + if (s == String("Nov")) |
| 92 | + { |
| 93 | + return Month::NOVEMBER; |
| 94 | + } |
| 95 | + if (s == String("Dec")) |
| 96 | + { |
| 97 | + return Month::DECEMBER; |
| 98 | + } |
| 99 | +} |
| 100 | + |
| 101 | +RTCTime currentRTCTime() |
| 102 | +{ |
| 103 | + // Get a compilation timestamp of the format: Wed May 10 08:54:31 2023 |
| 104 | + // __TIMESTAMP__ is a GNU C extension macro |
| 105 | + // We can't use the standard macros __DATE__ and __TIME__ because they don't provide the day of the week |
| 106 | + String timeStamp = __TIMESTAMP__; |
| 107 | + // Extract the day of the week |
| 108 | + int pos1 = timeStamp.indexOf(" "); |
| 109 | + DayOfWeek dayOfWeek = convertDayOfWeek(timeStamp.substring(0, pos1)); |
| 110 | + // Extract the month |
| 111 | + ++pos1; |
| 112 | + int pos2 = timeStamp.indexOf(" ", pos1); |
| 113 | + Month month = convertMonth(timeStamp.substring(pos1, pos2)); |
| 114 | + // Extract the day |
| 115 | + pos1 = ++pos2; |
| 116 | + pos2 = timeStamp.indexOf(" ", pos1); |
| 117 | + int day = timeStamp.substring(pos1, pos2).toInt(); |
| 118 | + // Extract the hour |
| 119 | + pos1 = ++pos2; |
| 120 | + pos2 = timeStamp.indexOf(":", pos1); |
| 121 | + int hour = timeStamp.substring(pos1, pos2).toInt(); |
| 122 | + // Extract the minute |
| 123 | + pos1 = ++pos2; |
| 124 | + pos2 = timeStamp.indexOf(":", pos1); |
| 125 | + int minute = timeStamp.substring(pos1, pos2).toInt(); |
| 126 | + // Extract the second |
| 127 | + pos1 = ++pos2; |
| 128 | + pos2 = timeStamp.indexOf(" ", pos1); |
| 129 | + int second = timeStamp.substring(pos1, pos2).toInt(); |
| 130 | + // Extract the year |
| 131 | + pos1 = ++pos2; |
| 132 | + pos2 = timeStamp.indexOf(" ", pos1); |
| 133 | + int year = timeStamp.substring(pos1, pos2).toInt(); |
| 134 | + |
| 135 | + return RTCTime(day, month, year, hour, minute, second, dayOfWeek, SaveLight::SAVING_TIME_INACTIVE); |
| 136 | +} |
| 137 | + |
| 138 | +void setup() |
| 139 | +{ |
| 140 | + Serial.begin(9600); |
| 141 | + while (!Serial) ; |
| 142 | + |
| 143 | + // Initialize the RTC |
| 144 | + RTC.begin(); |
| 145 | + |
| 146 | + // if the RTC is not running set its value to the compile time __TIMESTAMP__ macro |
| 147 | + if(!RTC.isRunning()) { |
| 148 | + RTCTime timeToSet = currentRTCTime(); |
| 149 | + RTC.setTime(timeToSet); |
| 150 | + } |
| 151 | +} |
| 152 | + |
| 153 | +void loop() |
| 154 | +{ |
| 155 | + Serial.println("The RTC time is: "); |
| 156 | + RTCTime currentTime; |
| 157 | + RTC.getTime(currentTime); |
| 158 | + Serial.print(currentTime.getYear()); |
| 159 | + Serial.print("-"); |
| 160 | + Serial.print(Month2int(currentTime.getMonth())); |
| 161 | + Serial.print("-"); |
| 162 | + Serial.print(currentTime.getDayOfMonth()); |
| 163 | + Serial.print(" "); |
| 164 | + Serial.print(currentTime.getHour()); |
| 165 | + Serial.print(":"); |
| 166 | + Serial.print(currentTime.getMinutes()); |
| 167 | + Serial.print(":"); |
| 168 | + Serial.println(currentTime.getSeconds()); |
| 169 | + |
| 170 | + delay(1000); |
| 171 | +} |
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