初始化提交
This commit is contained in:
王立帮
528
arduino-cli/libraries/yfrobot/RtcDS3231.h
Normal file
528
arduino-cli/libraries/yfrobot/RtcDS3231.h
Normal file
@@ -0,0 +1,528 @@
|
||||
|
||||
|
||||
#ifndef __RTCDS3231_H__
|
||||
#define __RTCDS3231_H__
|
||||
|
||||
#include <Arduino.h>
|
||||
|
||||
#include "RtcDateTime.h"
|
||||
#include "RtcTemperature.h"
|
||||
#include "RtcUtility.h"
|
||||
|
||||
|
||||
//I2C Slave Address
|
||||
const uint8_t DS3231_ADDRESS = 0x68;
|
||||
|
||||
//DS3231 Register Addresses
|
||||
const uint8_t DS3231_REG_TIMEDATE = 0x00;
|
||||
const uint8_t DS3231_REG_ALARMONE = 0x07;
|
||||
const uint8_t DS3231_REG_ALARMTWO = 0x0B;
|
||||
|
||||
const uint8_t DS3231_REG_CONTROL = 0x0E;
|
||||
const uint8_t DS3231_REG_STATUS = 0x0F;
|
||||
const uint8_t DS3231_REG_AGING = 0x10;
|
||||
|
||||
const uint8_t DS3231_REG_TEMP = 0x11;
|
||||
|
||||
//DS3231 Register Data Size if not just 1
|
||||
const uint8_t DS3231_REG_TIMEDATE_SIZE = 7;
|
||||
const uint8_t DS3231_REG_ALARMONE_SIZE = 4;
|
||||
const uint8_t DS3231_REG_ALARMTWO_SIZE = 3;
|
||||
|
||||
const uint8_t DS3231_REG_TEMP_SIZE = 2;
|
||||
|
||||
// DS3231 Control Register Bits
|
||||
const uint8_t DS3231_A1IE = 0;
|
||||
const uint8_t DS3231_A2IE = 1;
|
||||
const uint8_t DS3231_INTCN = 2;
|
||||
const uint8_t DS3231_RS1 = 3;
|
||||
const uint8_t DS3231_RS2 = 4;
|
||||
const uint8_t DS3231_CONV = 5;
|
||||
const uint8_t DS3231_BBSQW = 6;
|
||||
const uint8_t DS3231_EOSC = 7;
|
||||
const uint8_t DS3231_AIEMASK = (_BV(DS3231_A1IE) | _BV(DS3231_A2IE));
|
||||
const uint8_t DS3231_RSMASK = (_BV(DS3231_RS1) | _BV(DS3231_RS2));
|
||||
|
||||
// DS3231 Status Register Bits
|
||||
const uint8_t DS3231_A1F = 0;
|
||||
const uint8_t DS3231_A2F = 1;
|
||||
const uint8_t DS3231_BSY = 2;
|
||||
const uint8_t DS3231_EN32KHZ = 3;
|
||||
const uint8_t DS3231_OSF = 7;
|
||||
const uint8_t DS3231_AIFMASK = (_BV(DS3231_A1F) | _BV(DS3231_A2F));
|
||||
|
||||
|
||||
// seconds accuracy
|
||||
enum DS3231AlarmOneControl
|
||||
{
|
||||
// bit order: A1M4 DY/DT A1M3 A1M2 A1M1
|
||||
DS3231AlarmOneControl_HoursMinutesSecondsDayOfMonthMatch = 0x00,
|
||||
DS3231AlarmOneControl_OncePerSecond = 0x17,
|
||||
DS3231AlarmOneControl_SecondsMatch = 0x16,
|
||||
DS3231AlarmOneControl_MinutesSecondsMatch = 0x14,
|
||||
DS3231AlarmOneControl_HoursMinutesSecondsMatch = 0x10,
|
||||
DS3231AlarmOneControl_HoursMinutesSecondsDayOfWeekMatch = 0x08,
|
||||
};
|
||||
|
||||
class DS3231AlarmOne
|
||||
{
|
||||
public:
|
||||
DS3231AlarmOne( uint8_t dayOf,
|
||||
uint8_t hour,
|
||||
uint8_t minute,
|
||||
uint8_t second,
|
||||
DS3231AlarmOneControl controlFlags) :
|
||||
_flags(controlFlags),
|
||||
_dayOf(dayOf),
|
||||
_hour(hour),
|
||||
_minute(minute),
|
||||
_second(second)
|
||||
{
|
||||
}
|
||||
|
||||
uint8_t DayOf() const
|
||||
{
|
||||
return _dayOf;
|
||||
}
|
||||
|
||||
uint8_t Hour() const
|
||||
{
|
||||
return _hour;
|
||||
}
|
||||
|
||||
uint8_t Minute() const
|
||||
{
|
||||
return _minute;
|
||||
}
|
||||
|
||||
uint8_t Second() const
|
||||
{
|
||||
return _second;
|
||||
}
|
||||
|
||||
DS3231AlarmOneControl ControlFlags() const
|
||||
{
|
||||
return _flags;
|
||||
}
|
||||
|
||||
bool operator == (const DS3231AlarmOne& other) const
|
||||
{
|
||||
return (_dayOf == other._dayOf &&
|
||||
_hour == other._hour &&
|
||||
_minute == other._minute &&
|
||||
_second == other._second &&
|
||||
_flags == other._flags);
|
||||
}
|
||||
|
||||
bool operator != (const DS3231AlarmOne& other) const
|
||||
{
|
||||
return !(*this == other);
|
||||
}
|
||||
|
||||
protected:
|
||||
DS3231AlarmOneControl _flags;
|
||||
|
||||
uint8_t _dayOf;
|
||||
uint8_t _hour;
|
||||
uint8_t _minute;
|
||||
uint8_t _second;
|
||||
};
|
||||
|
||||
// minutes accuracy
|
||||
enum DS3231AlarmTwoControl
|
||||
{
|
||||
// bit order: A2M4 DY/DT A2M3 A2M2
|
||||
DS3231AlarmTwoControl_HoursMinutesDayOfMonthMatch = 0x00,
|
||||
DS3231AlarmTwoControl_OncePerMinute = 0x0b,
|
||||
DS3231AlarmTwoControl_MinutesMatch = 0x0a,
|
||||
DS3231AlarmTwoControl_HoursMinutesMatch = 0x08,
|
||||
DS3231AlarmTwoControl_HoursMinutesDayOfWeekMatch = 0x04,
|
||||
};
|
||||
|
||||
class DS3231AlarmTwo
|
||||
{
|
||||
public:
|
||||
DS3231AlarmTwo( uint8_t dayOf,
|
||||
uint8_t hour,
|
||||
uint8_t minute,
|
||||
DS3231AlarmTwoControl controlFlags) :
|
||||
_flags(controlFlags),
|
||||
_dayOf(dayOf),
|
||||
_hour(hour),
|
||||
_minute(minute)
|
||||
{
|
||||
}
|
||||
|
||||
uint8_t DayOf() const
|
||||
{
|
||||
return _dayOf;
|
||||
}
|
||||
|
||||
uint8_t Hour() const
|
||||
{
|
||||
return _hour;
|
||||
}
|
||||
|
||||
uint8_t Minute() const
|
||||
{
|
||||
return _minute;
|
||||
}
|
||||
|
||||
DS3231AlarmTwoControl ControlFlags() const
|
||||
{
|
||||
return _flags;
|
||||
}
|
||||
|
||||
bool operator == (const DS3231AlarmTwo& other) const
|
||||
{
|
||||
return (_dayOf == other._dayOf &&
|
||||
_hour == other._hour &&
|
||||
_minute == other._minute &&
|
||||
_flags == other._flags);
|
||||
}
|
||||
|
||||
bool operator != (const DS3231AlarmTwo& other) const
|
||||
{
|
||||
return !(*this == other);
|
||||
}
|
||||
|
||||
protected:
|
||||
DS3231AlarmTwoControl _flags;
|
||||
|
||||
uint8_t _dayOf;
|
||||
uint8_t _hour;
|
||||
uint8_t _minute;
|
||||
};
|
||||
|
||||
|
||||
enum DS3231SquareWaveClock
|
||||
{
|
||||
DS3231SquareWaveClock_1Hz = 0b00000000,
|
||||
DS3231SquareWaveClock_1kHz = 0b00001000,
|
||||
DS3231SquareWaveClock_4kHz = 0b00010000,
|
||||
DS3231SquareWaveClock_8kHz = 0b00011000,
|
||||
};
|
||||
|
||||
enum DS3231SquareWavePinMode
|
||||
{
|
||||
DS3231SquareWavePin_ModeNone,
|
||||
DS3231SquareWavePin_ModeBatteryBackup,
|
||||
DS3231SquareWavePin_ModeClock,
|
||||
DS3231SquareWavePin_ModeAlarmOne,
|
||||
DS3231SquareWavePin_ModeAlarmTwo,
|
||||
DS3231SquareWavePin_ModeAlarmBoth
|
||||
};
|
||||
|
||||
enum DS3231AlarmFlag
|
||||
{
|
||||
DS3231AlarmFlag_Alarm1 = 0x01,
|
||||
DS3231AlarmFlag_Alarm2 = 0x02,
|
||||
DS3231AlarmFlag_AlarmBoth = 0x03,
|
||||
};
|
||||
|
||||
template<class T_WIRE_METHOD> class RtcDS3231
|
||||
{
|
||||
public:
|
||||
RtcDS3231(T_WIRE_METHOD& wire) :
|
||||
_wire(wire)
|
||||
{
|
||||
}
|
||||
|
||||
void Begin()
|
||||
{
|
||||
_wire.begin();
|
||||
}
|
||||
|
||||
bool IsDateTimeValid()
|
||||
{
|
||||
uint8_t status = getReg(DS3231_REG_STATUS);
|
||||
return !(status & _BV(DS3231_OSF));
|
||||
}
|
||||
|
||||
bool GetIsRunning()
|
||||
{
|
||||
uint8_t creg = getReg(DS3231_REG_CONTROL);
|
||||
return !(creg & _BV(DS3231_EOSC));
|
||||
}
|
||||
void SetIsRunning(bool isRunning)
|
||||
{
|
||||
uint8_t creg = getReg(DS3231_REG_CONTROL);
|
||||
if (isRunning)
|
||||
{
|
||||
creg &= ~_BV(DS3231_EOSC);
|
||||
}
|
||||
else
|
||||
{
|
||||
creg |= _BV(DS3231_EOSC);
|
||||
}
|
||||
setReg(DS3231_REG_CONTROL, creg);
|
||||
}
|
||||
|
||||
void SetDateTime(const RtcDateTime& dt)
|
||||
{
|
||||
// clear the invalid flag
|
||||
uint8_t status = getReg(DS3231_REG_STATUS);
|
||||
status &= ~_BV(DS3231_OSF); // clear the flag
|
||||
setReg(DS3231_REG_STATUS, status);
|
||||
|
||||
// set the date time
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_TIMEDATE);
|
||||
|
||||
_wire.write(Uint8ToBcd(dt.Second()));
|
||||
_wire.write(Uint8ToBcd(dt.Minute()));
|
||||
_wire.write(Uint8ToBcd(dt.Hour())); // 24 hour mode only
|
||||
|
||||
uint8_t year = dt.Year() - 2000;
|
||||
uint8_t centuryFlag = 0;
|
||||
|
||||
if (year >= 100)
|
||||
{
|
||||
year -= 100;
|
||||
centuryFlag = _BV(7);
|
||||
}
|
||||
|
||||
_wire.write(Uint8ToBcd(dt.DayOfWeek()));
|
||||
_wire.write(Uint8ToBcd(dt.Day()));
|
||||
_wire.write(Uint8ToBcd(dt.Month()) | centuryFlag);
|
||||
_wire.write(Uint8ToBcd(year));
|
||||
|
||||
_wire.endTransmission();
|
||||
}
|
||||
RtcDateTime GetDateTime()
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_TIMEDATE);
|
||||
_wire.endTransmission();
|
||||
|
||||
_wire.requestFrom(DS3231_ADDRESS, DS3231_REG_TIMEDATE_SIZE);
|
||||
uint8_t second = BcdToUint8(_wire.read() & 0x7F);
|
||||
uint8_t minute = BcdToUint8(_wire.read());
|
||||
uint8_t hour = BcdToBin24Hour(_wire.read());
|
||||
|
||||
_wire.read(); // throwing away day of week as we calculate it
|
||||
|
||||
uint8_t dayOfMonth = BcdToUint8(_wire.read());
|
||||
uint8_t monthRaw = _wire.read();
|
||||
uint16_t year = BcdToUint8(_wire.read()) + 2000;
|
||||
|
||||
if (monthRaw & _BV(7)) // century wrap flag
|
||||
{
|
||||
year += 100;
|
||||
}
|
||||
uint8_t month = BcdToUint8(monthRaw & 0x7f);
|
||||
|
||||
|
||||
return RtcDateTime(year, month, dayOfMonth, hour, minute, second);
|
||||
}
|
||||
|
||||
RtcTemperature GetTemperature()
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_TEMP);
|
||||
_wire.endTransmission();
|
||||
|
||||
_wire.requestFrom(DS3231_ADDRESS, DS3231_REG_TEMP_SIZE);
|
||||
int8_t degrees = _wire.read();
|
||||
// fraction is just the upper bits
|
||||
// representing 1/4 of a degree
|
||||
uint8_t fract = (_wire.read() >> 6) * 25;
|
||||
|
||||
return RtcTemperature(degrees, fract);
|
||||
}
|
||||
|
||||
void Enable32kHzPin(bool enable)
|
||||
{
|
||||
uint8_t sreg = getReg(DS3231_REG_STATUS);
|
||||
|
||||
if (enable == true)
|
||||
{
|
||||
sreg |= _BV(DS3231_EN32KHZ);
|
||||
}
|
||||
else
|
||||
{
|
||||
sreg &= ~_BV(DS3231_EN32KHZ);
|
||||
}
|
||||
|
||||
setReg(DS3231_REG_STATUS, sreg);
|
||||
}
|
||||
void SetSquareWavePin(DS3231SquareWavePinMode pinMode)
|
||||
{
|
||||
uint8_t creg = getReg(DS3231_REG_CONTROL);
|
||||
|
||||
// clear all relevant bits to a known "off" state
|
||||
creg &= ~(DS3231_AIEMASK | _BV(DS3231_BBSQW));
|
||||
creg |= _BV(DS3231_INTCN); // set INTCN to disables SQW
|
||||
|
||||
switch (pinMode)
|
||||
{
|
||||
case DS3231SquareWavePin_ModeNone:
|
||||
break;
|
||||
|
||||
case DS3231SquareWavePin_ModeBatteryBackup:
|
||||
creg |= _BV(DS3231_BBSQW); // set battery backup flag
|
||||
creg &= ~_BV(DS3231_INTCN); // clear INTCN to enable SQW
|
||||
break;
|
||||
|
||||
case DS3231SquareWavePin_ModeClock:
|
||||
creg &= ~_BV(DS3231_INTCN); // clear INTCN to enable SQW
|
||||
break;
|
||||
|
||||
case DS3231SquareWavePin_ModeAlarmOne:
|
||||
creg |= _BV(DS3231_A1IE);
|
||||
break;
|
||||
|
||||
case DS3231SquareWavePin_ModeAlarmTwo:
|
||||
creg |= _BV(DS3231_A2IE);
|
||||
break;
|
||||
|
||||
case DS3231SquareWavePin_ModeAlarmBoth:
|
||||
creg |= _BV(DS3231_A1IE) | _BV(DS3231_A2IE);
|
||||
break;
|
||||
}
|
||||
|
||||
setReg(DS3231_REG_CONTROL, creg);
|
||||
}
|
||||
|
||||
void SetSquareWavePinClockFrequency(DS3231SquareWaveClock freq)
|
||||
{
|
||||
uint8_t creg = getReg(DS3231_REG_CONTROL);
|
||||
|
||||
creg &= ~DS3231_RSMASK; // Set to 0
|
||||
creg |= (freq & DS3231_RSMASK); // Set freq bits
|
||||
|
||||
setReg(DS3231_REG_CONTROL, creg);
|
||||
}
|
||||
|
||||
|
||||
void SetAlarmOne(const DS3231AlarmOne& alarm)
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_ALARMONE);
|
||||
|
||||
_wire.write(Uint8ToBcd(alarm.Second()) | ((alarm.ControlFlags() & 0x01) << 7));
|
||||
_wire.write(Uint8ToBcd(alarm.Minute()) | ((alarm.ControlFlags() & 0x02) << 6));
|
||||
_wire.write(Uint8ToBcd(alarm.Hour()) | ((alarm.ControlFlags() & 0x04) << 5)); // 24 hour mode only
|
||||
|
||||
_wire.write(Uint8ToBcd(alarm.DayOf()) | ((alarm.ControlFlags() & 0x18) << 3));
|
||||
|
||||
_wire.endTransmission();
|
||||
}
|
||||
void SetAlarmTwo(const DS3231AlarmTwo& alarm)
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_ALARMTWO);
|
||||
|
||||
_wire.write(Uint8ToBcd(alarm.Minute()) | ((alarm.ControlFlags() & 0x01) << 7));
|
||||
_wire.write(Uint8ToBcd(alarm.Hour()) | ((alarm.ControlFlags() & 0x02) << 6)); // 24 hour mode only
|
||||
|
||||
_wire.write(Uint8ToBcd(alarm.DayOf()) | ((alarm.ControlFlags() & 0x0c) << 4));
|
||||
|
||||
_wire.endTransmission();
|
||||
}
|
||||
DS3231AlarmOne GetAlarmOne()
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_ALARMONE);
|
||||
_wire.endTransmission();
|
||||
|
||||
_wire.requestFrom(DS3231_ADDRESS, DS3231_REG_ALARMONE_SIZE);
|
||||
|
||||
uint8_t raw = _wire.read();
|
||||
uint8_t flags = (raw & 0x80) >> 7;
|
||||
uint8_t second = BcdToUint8(raw & 0x7F);
|
||||
|
||||
raw = _wire.read();
|
||||
flags |= (raw & 0x80) >> 6;
|
||||
uint8_t minute = BcdToUint8(raw & 0x7F);
|
||||
|
||||
raw = _wire.read();
|
||||
flags |= (raw & 0x80) >> 5;
|
||||
uint8_t hour = BcdToBin24Hour(raw & 0x7f);
|
||||
|
||||
raw = _wire.read();
|
||||
flags |= (raw & 0xc0) >> 3;
|
||||
uint8_t dayOf = BcdToUint8(raw & 0x3f);
|
||||
|
||||
return DS3231AlarmOne(dayOf, hour, minute, second, (DS3231AlarmOneControl)flags);
|
||||
}
|
||||
DS3231AlarmTwo GetAlarmTwo()
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(DS3231_REG_ALARMTWO);
|
||||
_wire.endTransmission();
|
||||
|
||||
_wire.requestFrom(DS3231_ADDRESS, DS3231_REG_ALARMTWO_SIZE);
|
||||
|
||||
uint8_t raw = _wire.read();
|
||||
uint8_t flags = (raw & 0x80) >> 7;
|
||||
uint8_t minute = BcdToUint8(raw & 0x7F);
|
||||
|
||||
raw = _wire.read();
|
||||
flags |= (raw & 0x80) >> 6;
|
||||
uint8_t hour = BcdToBin24Hour(raw & 0x7f);
|
||||
|
||||
raw = _wire.read();
|
||||
flags |= (raw & 0xc0) >> 4;
|
||||
uint8_t dayOf = BcdToUint8(raw & 0x3f);
|
||||
|
||||
return DS3231AlarmTwo(dayOf, hour, minute, (DS3231AlarmTwoControl)flags);
|
||||
}
|
||||
// Latch must be called after an alarm otherwise it will not
|
||||
// trigger again
|
||||
DS3231AlarmFlag LatchAlarmsTriggeredFlags()
|
||||
{
|
||||
uint8_t sreg = getReg(DS3231_REG_STATUS);
|
||||
uint8_t alarmFlags = (sreg & DS3231_AIFMASK);
|
||||
sreg &= ~DS3231_AIFMASK; // clear the flags
|
||||
setReg(DS3231_REG_STATUS, sreg);
|
||||
return (DS3231AlarmFlag)alarmFlags;
|
||||
}
|
||||
|
||||
void ForceTemperatureCompensationUpdate(bool block)
|
||||
{
|
||||
uint8_t creg = getReg(DS3231_REG_CONTROL);
|
||||
creg |= _BV(DS3231_CONV); // Write CONV bit
|
||||
setReg(DS3231_REG_CONTROL, creg);
|
||||
|
||||
while (block && (creg & _BV(DS3231_CONV)) != 0)
|
||||
{
|
||||
// Block until CONV is 0
|
||||
creg = getReg(DS3231_REG_CONTROL);
|
||||
}
|
||||
}
|
||||
|
||||
int8_t GetAgingOffset()
|
||||
{
|
||||
return getReg(DS3231_REG_AGING);
|
||||
}
|
||||
void SetAgingOffset(int8_t value)
|
||||
{
|
||||
setReg(DS3231_REG_AGING, value);
|
||||
}
|
||||
|
||||
private:
|
||||
T_WIRE_METHOD& _wire;
|
||||
|
||||
uint8_t getReg(uint8_t regAddress)
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(regAddress);
|
||||
_wire.endTransmission();
|
||||
|
||||
// control register
|
||||
_wire.requestFrom(DS3231_ADDRESS, (uint8_t)1);
|
||||
|
||||
uint8_t regValue = _wire.read();
|
||||
return regValue;
|
||||
}
|
||||
void setReg(uint8_t regAddress, uint8_t regValue)
|
||||
{
|
||||
_wire.beginTransmission(DS3231_ADDRESS);
|
||||
_wire.write(regAddress);
|
||||
_wire.write(regValue);
|
||||
_wire.endTransmission();
|
||||
}
|
||||
};
|
||||
|
||||
#endif // __RTCDS3231_H__
|
||||
Reference in New Issue
Block a user