ds3231.h

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#pragma once
 
#if defined(ARDUINO)
 
#include <Arduino.h>
#include <Wire.h>
 
namespace ersa::drivers::rtc {
 
class Ds3231 {
public:
    explicit Ds3231(TwoWire& wire = Wire, uint8_t address = 0x68);
 
    bool begin(int sda, int scl, uint32_t frequencyHz = 100000);
    bool probe();
    bool read(uint16_t& year, uint8_t& month, uint8_t& day, uint8_t& hour,
              uint8_t& minute, uint8_t& second, uint8_t& dayOfWeek);
    bool write(uint16_t year, uint8_t month, uint8_t day, uint8_t hour,
               uint8_t minute, uint8_t second, uint8_t dayOfWeek);
    bool lostPower(bool& stopped);
 
private:
    bool readRegisters(uint8_t first, uint8_t* data, size_t size);
    bool writeRegisters(uint8_t first, const uint8_t* data, size_t size);
 
    TwoWire& wire_;
    uint8_t address_;
};
 
} // namespace ersa::drivers::rtc
 
#endif