142 lines
4.0 KiB
C++
142 lines
4.0 KiB
C++
#pragma once
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#include "I2C_Driver.h"
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#include <string>
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// PCF85063_ADDRESS
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#define PCF85063_ADDRESS (0x51)
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#define YEAR_OFFSET (1970)
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// registar overview - crtl & status reg
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#define RTC_CTRL_1_ADDR (0x00)
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#define RTC_CTRL_2_ADDR (0x01)
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#define RTC_OFFSET_ADDR (0x02)
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#define RTC_RAM_by_ADDR (0x03)
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// registar overview - time & data reg
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#define RTC_SECOND_ADDR (0x04)
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#define RTC_MINUTE_ADDR (0x05)
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#define RTC_HOUR_ADDR (0x06)
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#define RTC_DAY_ADDR (0x07)
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#define RTC_WDAY_ADDR (0x08)
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#define RTC_MONTH_ADDR (0x09)
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#define RTC_YEAR_ADDR (0x0A) // years 0-99; calculate real year = 1970 + RCC reg year
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// registar overview - alarm reg
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#define RTC_SECOND_ALARM (0x0B)
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#define RTC_MINUTE_ALARM (0x0C)
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#define RTC_HOUR_ALARM (0x0D)
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#define RTC_DAY_ALARM (0x0E)
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#define RTC_WDAY_ALARM (0x0F)
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// registar overview - timer reg
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#define RTC_TIMER_VAL (0x10)
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#define RTC_TIMER_MODE (0x11)
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// RTC_CTRL_1 registar
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#define RTC_CTRL_1_EXT_TEST (0x80)
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#define RTC_CTRL_1_STOP (0x20) // 0-RTC clock runs 1- RTC clock is stopped
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#define RTC_CTRL_1_SR (0X10) // 0-no software reset 1-initiate software rese
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#define RTC_CTRL_1_CIE (0X04) // 0-no correction interrupt generated 1-interrupt pulses are generated at every correction cycle
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#define RTC_CTRL_1_12_24 (0X02) // 0-24H 1-12H
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#define RTC_CTRL_1_CAP_SEL (0X01) // 0-7PF 1-12.5PF
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// RTC_CTRL_2 registar
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#define RTC_CTRL_2_AIE (0X80) // alarm interrupt 0-disalbe 1-enable
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#define RTC_CTRL_2_AF (0X40) // alarm flag 0-inactive/cleared 1-active/unchanged
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#define RTC_CTRL_2_MI (0X20) // minute interrupt 0-disalbe 1-enable
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#define RTC_CTRL_2_HMI (0X10) // half minute interrupt
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#define RTC_CTRL_2_TF (0X08)
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//
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#define RTC_OFFSET_MODE (0X80)
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//
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#define RTC_TIMER_MODE_TE (0X04) // timer enable 0-disalbe 1-enable
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#define RTC_TIMER_MODE_TIE (0X02) // timer interrupt enable 0-disalbe 1-enable
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#define RTC_TIMER_MODE_TI_TP (0X01) // timer interrupt mode 0-interrupt follows timer flag 1-interrupt generates a pulse
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// format
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#define RTC_ALARM (0x80) // set AEN_x registers
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#define RTC_CTRL_1_DEFAULT (0x00)
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#define RTC_CTRL_2_DEFAULT (0x00)
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#define RTC_TIMER_FLAG (0x08)
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typedef struct
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{
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uint16_t year;
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uint8_t month;
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uint8_t day;
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uint8_t dotw;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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} datetime_t;
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const unsigned char MonthStr[12][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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const unsigned char Week[7][4] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
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extern datetime_t datetime;
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void PCF85063_Init(void);
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void PCF85063_Reset(void);
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void PCF85063Task(void *parameter);
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void PCF85063_Set_Time(datetime_t time);
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void PCF85063_Set_Date(datetime_t date);
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void PCF85063_Set_All(datetime_t time);
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void PCF85063_Read_Time(datetime_t *time);
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void PCF85063_Enable_Alarm(void);
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uint8_t PCF85063_Get_Alarm_Flag(void);
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void PCF85063_Set_Alarm(datetime_t time);
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void PCF85063_Read_Alarm(datetime_t *time);
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void datetime_to_str(char *datetime_str, datetime_t time);
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namespace drivers
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{
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class PCF85063
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{
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I2C &m_i2c;
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uint8_t m_address;
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public:
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typedef struct
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{
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uint16_t year;
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uint8_t month;
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uint8_t day;
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uint8_t dotw;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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} datetime_t;
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public:
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PCF85063(I2C &i2c, const uint8_t address, const uint8_t ctrl1 = RTC_CTRL_1_DEFAULT, const uint8_t ctrl2 = RTC_CTRL_2_DEFAULT);
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const bool reset(void);
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const bool setTime(const datetime_t time);
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const bool setDate(const datetime_t date);
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const bool setDatetime(const datetime_t datetime);
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const bool readDate(datetime_t &datetime);
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const bool readTime(datetime_t &datetime);
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const bool readDatetime(datetime_t &datetime);
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const bool enableAlarm(const bool enable);
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const bool setAlarm(const datetime_t time);
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const bool readAlarm(datetime_t &time);
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const bool getAlarmFlag(uint8_t &flags);
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const std::string getTimeStr();
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private:
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const std::string datetime2str(datetime_t &datetime);
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const uint8_t decToBcd(const int val);
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const int bcdToDec(const uint8_t val);
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};
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}
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