ds1307.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/components/i2c/i2c.h"
#include "esphome/components/time/real_time_clock.h"
 
namespace esphome::ds1307 {
 
class DS1307Component final : public time::RealTimeClock, public i2c::I2CDevice {
 public:
  void setup() override;
  void update() override;
  void dump_config() override;
  void read_time();
  void write_time();
 
 protected:
  bool read_rtc_();
  bool write_rtc_();
  union DS1307Reg {
    struct {
      uint8_t second : 4;
      uint8_t second_10 : 3;
      bool ch : 1;
 
      uint8_t minute : 4;
      uint8_t minute_10 : 3;
      uint8_t unused_1 : 1;
 
      uint8_t hour : 4;
      uint8_t hour_10 : 2;
      uint8_t unused_2 : 2;
 
      uint8_t weekday : 3;
      uint8_t unused_3 : 5;
 
      uint8_t day : 4;
      uint8_t day_10 : 2;
      uint8_t unused_4 : 2;
 
      uint8_t month : 4;
      uint8_t month_10 : 1;
      uint8_t unused_5 : 3;
 
      uint8_t year : 4;
      uint8_t year_10 : 4;
 
      uint8_t rs : 2;
      uint8_t unused_6 : 2;
      bool sqwe : 1;
      uint8_t unused_7 : 2;
      bool out : 1;
    } reg;
    mutable uint8_t raw[sizeof(reg)];
  } ds1307_;
};
 
}  // namespace esphome::ds1307