50 lines
1.1 KiB
Arduino
50 lines
1.1 KiB
Arduino
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#include <Wire.h>
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#include <TimeLib.h>
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#include <DS1307RTC.h>
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void setup() {
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Serial.begin(9600);
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while (!Serial) ; // wait for serial
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delay(200);
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Serial.println("DS1307RTC Read Test");
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Serial.println("-------------------");
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}
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void loop() {
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tmElements_t tm;
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if (RTC.read(tm)) {
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Serial.print("Ok, Time = ");
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print2digits(tm.Hour);
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Serial.write(':');
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print2digits(tm.Minute);
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Serial.write(':');
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print2digits(tm.Second);
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Serial.print(", Date (D/M/Y) = ");
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Serial.print(tm.Day);
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Serial.write('/');
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Serial.print(tm.Month);
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Serial.write('/');
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Serial.print(tmYearToCalendar(tm.Year));
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Serial.println();
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} else {
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if (RTC.chipPresent()) {
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Serial.println("The DS1307 is stopped. Please run the SetTime");
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Serial.println("example to initialize the time and begin running.");
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Serial.println();
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} else {
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Serial.println("DS1307 read error! Please check the circuitry.");
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Serial.println();
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}
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delay(9000);
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}
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delay(1000);
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}
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void print2digits(int number) {
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if (number >= 0 && number < 10) {
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Serial.write('0');
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}
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Serial.print(number);
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}
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