Files
ETcontroller_PRO/lib/RTC/WS_PCF85063.h
Emanuele Trabattoni 83a63c1241 I2C driver
2025-06-21 16:34:11 +02:00

103 lines
3.1 KiB
C

#pragma once
#include "I2C_Driver.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)
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;
const unsigned char MonthStr[12][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov","Dec"};
const unsigned char Week[7][5] = {"SUN","Mon","Tues","Wed","Thur","Fri","Sat"};
extern datetime_t datetime;
void PCF85063_Init(void);
void PCF85063_Reset(void);
void PCF85063Task(void *parameter);
void PCF85063_Set_Time(datetime_t time);
void PCF85063_Set_Date(datetime_t date);
void PCF85063_Set_All(datetime_t time);
void PCF85063_Read_Time(datetime_t *time);
void PCF85063_Enable_Alarm(void);
uint8_t PCF85063_Get_Alarm_Flag();
void PCF85063_Set_Alarm(datetime_t time);
void PCF85063_Read_Alarm(datetime_t *time);
void datetime_to_str(char *datetime_str,datetime_t time);
// weekday format
// 0 - sunday
// 1 - monday
// 2 - tuesday
// 3 - wednesday
// 4 - thursday
// 5 - friday
// 6 - saturday