54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
#include <Wire.h>
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#include <RTClib.h>
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PCF8563 rtc;
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DateTime alarm_l;
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const byte rtc_int = 2;
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void setup() {
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Serial.begin(9600);
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Serial.println("start");
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pinMode(rtc_int, INPUT);
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attachInterrupt(digitalPinToInterrupt(rtc_int), interrupt, FALLING);
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Wire.begin();
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rtc.begin();
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if (!rtc.isrunning()) {
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Serial.println("RTC is NOT running!");
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rtc.adjust(DateTime(__DATE__, __TIME__));
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}
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else {
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Serial.println("RTC OK");
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DateTime now = DateTime(2020, 4, 1, 12, 00, 0);
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rtc.adjust(now);
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setAlarm(1);
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}
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}
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void loop() {
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DateTime now = rtc.now();
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char buf[100];
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strncpy(buf, "DD.MM.YYYY hh:mm:ss", 100);
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Serial.println(now.format(buf));
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delay(1000);
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}
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void interrupt() {
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Serial.println("WakeUp atmega");
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}
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void setAlarm(int value) {
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char buf[100];
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strncpy(buf, "DD.MM.YYYY hh:mm:ss", 100);
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DateTime alarm = rtc.now();
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alarm.setminute(alarm.minute() + value);
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Serial.print("Setting alarm: ");
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strncpy(buf, "DD hh:mm MM", 100);
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Serial.println(alarm.format(buf));
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rtc.set_alarm(alarm, {1, 0, 0, 0});
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rtc.on_alarm();
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}
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