pcf8563_alarm.ino

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#include <RtcDrv.hpp>
 
#ifndef SENSOR_SDA
#define SENSOR_SDA  42
#endif
 
#ifndef SENSOR_SCL
#define SENSOR_SCL  41
#endif
 
#ifndef SENSOR_IRQ
#define SENSOR_IRQ  14
#endif
 
 
SensorPCF8563 rtc;
 
uint32_t intervalue = 0;
uint8_t nextHour = 22;
uint8_t nextMonth = 1;
uint8_t nextDay = 1;
uint8_t nextMinute = 59;
uint8_t nextSecond = 55;
 
 
void setup()
{
    Serial.begin(115200);
    while (!Serial);
 
    if (!rtc.begin(Wire, SENSOR_SDA, SENSOR_SCL)) {
        Serial.println("Failed to find PCF8563 - check your wiring!");
        while (1) {
            delay(1000);
        }
    }
 
    pinMode(SENSOR_IRQ, INPUT_PULLUP);
 
    rtc.setDateTime(2022, nextMonth, nextDay, nextHour, nextMinute, nextSecond);
 
    // From minute timer
    rtc.setAlarmByMinutes(0);
 
    rtc.enableAlarm();
 
}
 
void printDateTime()
{
    if (millis() - intervalue > 1000) {
 
        Serial.println(rtc.strftime());
 
        intervalue = millis();
    }
}
 
// Test minute timing
void  testAlarmMinute()
{
    while (1) {
        if (digitalRead(SENSOR_IRQ) == LOW) {
            Serial.println("testAlarmMinute Interrupt .... ");
            if (rtc.isAlarmActive()) {
                Serial.println("Alarm active");
                rtc.resetAlarm();
                rtc.setDateTime(2022, nextMonth, nextDay, nextHour, nextMinute, nextSecond);
                nextHour++;
                if (nextHour >= 24) {
                    nextHour = 23;
                    nextDay = 25;
                    rtc.setAlarmByHours(0);
                    Serial.println("setAlarmByHours");
                    return;
                }
            }
        }
        printDateTime();
    }
}
 
// Test hour timing
void  testAlarmHour()
{
    while (1) {
        if (digitalRead(SENSOR_IRQ) == LOW) {
            Serial.println("testAlarmHour Interrupt .... ");
            if (rtc.isAlarmActive()) {
                Serial.println("Alarm active");
                rtc.resetAlarm();
                rtc.setDateTime(2022, nextMonth, nextDay, nextHour, nextMinute, nextSecond);
                nextDay++;
                if (nextDay >= 30) {
                    nextMonth = 1;
                    nextHour = 23;
                    nextMinute = 59;
                    nextSecond = 55;
                    nextDay = rtc.getDaysInMonth(nextMonth, 2022);
                    rtc.setDateTime(2022, nextMonth, nextDay, nextHour, nextMinute, nextSecond);
                    rtc.setAlarmByDays(1);
                    Serial.println("setAlarmByDays");
                    return;
                }
            }
        }
        printDateTime();
    }
}
 
// Test day timing
void  testAlarmDay()
{
    while (1) {
        if (digitalRead(SENSOR_IRQ) == LOW) {
            Serial.println("testAlarmDay Interrupt .... ");
            if (rtc.isAlarmActive()) {
                Serial.println("Alarm active");
                rtc.resetAlarm();
                nextDay = rtc.getDaysInMonth(nextMonth, 2022);
                rtc.setDateTime(2022, nextMonth, nextDay, nextHour, nextMinute, nextSecond);
                nextMonth++;
                if (nextMonth >= 12) {
                    return;
                }
            }
        }
        printDateTime();
    }
}
 
 
 
 
void loop()
{
    testAlarmMinute();
    testAlarmHour();
    testAlarmDay();
 
    Serial.println("Test done ...");
    while (1) {
        delay(100);
    }
}