pcf8563_clock_output.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::ClockHz clock_array[] = {
    SensorPCF8563::CLK_32768HZ,
    SensorPCF8563::CLK_1024HZ,
    SensorPCF8563::CLK_32HZ,
    SensorPCF8563::CLK_1HZ,
    SensorPCF8563::CLK_DISABLE,
};
 
String freq_hz_str[] = {
    "32.768KHZ",
    "1.024KHZ",
    "32HZ",
    "1HZ",
    "DISABLE",
};
 
 
SensorPCF8563 rtc;
uint32_t intervalue;
uint8_t i = 0;
 
 
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);
        }
    }
}
 
 
void loop()
{
    if (millis() - intervalue > 5000) {
        intervalue = millis();
        Serial.print("Set freq : ");
        Serial.println(freq_hz_str[i]);
        rtc.setClockOutput(clock_array[i]);
        i++;
        i %= 5;
    }
}