Files
ETcontroller_PRO/lib/RTC/PCF85063_Driver.h
2025-08-03 11:27:07 +02:00

123 lines
3.6 KiB
C++

#pragma once
#define DEBUGLOG_DEFAULT_LOG_LEVEL_INFO
#include <DebugLog.h>
#include "I2C_Driver.h"
#include <string>
#include <time.h>
// PCF85063_ADDRESS
#define PCF85063_ADDRESS (0x51)
#define YEAR_OFFSET (1970)
// registar overview - crtl & status reg
#define RTC_CTRL_1_ADDR (0x00)
#define RTC_CTRL_2_ADDR (0x01)
#define RTC_OFFSET_ADDR (0x02)
#define RTC_RAM_by_ADDR (0x03)
// registar overview - time & data reg
#define RTC_SECOND_ADDR (0x04)
#define RTC_MINUTE_ADDR (0x05)
#define RTC_HOUR_ADDR (0x06)
#define RTC_DAY_ADDR (0x07)
#define RTC_WDAY_ADDR (0x08)
#define RTC_MONTH_ADDR (0x09)
#define RTC_YEAR_ADDR (0x0A) // years 0-99; calculate real year = 1970 + RCC reg year
// registar overview - alarm reg
#define RTC_SECOND_ALARM (0x0B)
#define RTC_MINUTE_ALARM (0x0C)
#define RTC_HOUR_ALARM (0x0D)
#define RTC_DAY_ALARM (0x0E)
#define RTC_WDAY_ALARM (0x0F)
// registar overview - timer reg
#define RTC_TIMER_VAL (0x10)
#define RTC_TIMER_MODE (0x11)
// RTC_CTRL_1 registar
#define RTC_CTRL_1_EXT_TEST (0x80)
#define RTC_CTRL_1_STOP (0x20) // 0-RTC clock runs 1- RTC clock is stopped
#define RTC_CTRL_1_SR (0X10) // 0-no software reset 1-initiate software rese
#define RTC_CTRL_1_CIE (0X04) // 0-no correction interrupt generated 1-interrupt pulses are generated at every correction cycle
#define RTC_CTRL_1_12_24 (0X02) // 0-24H 1-12H
#define RTC_CTRL_1_CAP_SEL (0X01) // 0-7PF 1-12.5PF
// RTC_CTRL_2 registar
#define RTC_CTRL_2_AIE (0X80) // alarm interrupt 0-disalbe 1-enable
#define RTC_CTRL_2_AF (0X40) // alarm flag 0-inactive/cleared 1-active/unchanged
#define RTC_CTRL_2_MI (0X20) // minute interrupt 0-disalbe 1-enable
#define RTC_CTRL_2_HMI (0X10) // half minute interrupt
#define RTC_CTRL_2_TF (0X08)
//
#define RTC_OFFSET_MODE (0X80)
//
#define RTC_TIMER_MODE_TE (0X04) // timer enable 0-disalbe 1-enable
#define RTC_TIMER_MODE_TIE (0X02) // timer interrupt enable 0-disalbe 1-enable
#define RTC_TIMER_MODE_TI_TP (0X01) // timer interrupt mode 0-interrupt follows timer flag 1-interrupt generates a pulse
// format
#define RTC_ALARM (0x80) // set AEN_x registers
#define RTC_CTRL_1_DEFAULT (0x00)
#define RTC_CTRL_2_DEFAULT (0x00)
#define RTC_TIMER_FLAG (0x08)
namespace drivers
{
class PCF85063
{
public:
typedef struct
{
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t dotw;
uint8_t hour;
uint8_t minute;
uint8_t second;
} datetime_t;
public:
PCF85063(I2C &i2c, const uint8_t address = PCF85063_ADDRESS, const uint8_t ctrl1 = RTC_CTRL_1_DEFAULT, const uint8_t ctrl2 = RTC_CTRL_2_DEFAULT);
const bool reset(void);
const bool setTime(const datetime_t time);
const bool setDate(const datetime_t date);
const bool setDatetime(const datetime_t datetime);
const bool readDate(datetime_t &datetime);
const bool readTime(datetime_t &datetime);
const bool readDatetime(datetime_t &datetime);
const bool enableAlarm(const bool enable);
const bool setAlarm(const datetime_t time);
const bool readAlarm(datetime_t &time);
const bool getAlarmFlag(uint8_t &flags);
const bool setOffset(const uint8_t ofst);
const uint8_t getOffset();
const std::string getTimeStr();
static const std::string datetime2str(const datetime_t &datetime);
static const std::string tm2str(const std::tm &datetime);
static const std::tm datetime2tm(const datetime_t& datetime);
static const PCF85063::datetime_t fromEpoch(const time_t currentTime);
private:
const uint8_t decToBcd(const int val);
const int bcdToDec(const uint8_t val);
private:
I2C &m_i2c;
uint8_t m_address;
};
}