Fixed braindead style, added a 2038+ compatible timestamp
All checks were successful
Compile / Compile (push) Successful in 1m22s
All checks were successful
Compile / Compile (push) Successful in 1m22s
This commit is contained in:
Lewis Jackson
parent
5993fda85e
commit
67ff091775
2 changed files with 521 additions and 444 deletions
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@ -38,7 +38,7 @@
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#include <Arduino.h>
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#include "Rtc_Pcf8563.h"
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Rtc_Pcf8563::Rtc_Pcf8563(void)
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Rtc_Pcf8563::Rtc_Pcf8563()
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{
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Wire.begin();
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Rtcc_Addr = RTCC_R >> 1;
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@ -102,7 +102,7 @@ byte Rtc_Pcf8563::readStatus2()
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return getStatus2();
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}
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void Rtc_Pcf8563::clearVoltLow(void)
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void Rtc_Pcf8563::clearVoltLow()
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{
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getDateTime();
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// Only clearing is possible on device (I tried)
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@ -114,7 +114,7 @@ void Rtc_Pcf8563::clearVoltLow(void)
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/*
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* Atomicly read all device registers in one operation
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*/
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void Rtc_Pcf8563::getDateTime(void)
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void Rtc_Pcf8563::getDateTime()
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{
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/* Start at beginning, read entire memory in one go */
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Wire.beginTransmission(Rtcc_Addr);
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@ -124,8 +124,9 @@ void Rtc_Pcf8563::getDateTime(void)
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/* As per data sheet, have to read everything all in one operation */
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uint8_t readBuffer[16] = {0};
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Wire.requestFrom(Rtcc_Addr, 16);
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for (uint8_t i=0; i < 16; i++)
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for (uint8_t i=0; i < 16; i++) {
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readBuffer[i] = Wire.read();
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}
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// status bytes
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status1 = readBuffer[0];
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@ -146,10 +147,12 @@ void Rtc_Pcf8563::getDateTime(void)
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weekday = bcdToDec(readBuffer[6] & 0x07);
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//get raw month data byte and set month and century with it.
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month = readBuffer[7];
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if (month & RTCC_CENTURY_MASK)
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if (month & RTCC_CENTURY_MASK) {
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century = true;
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else
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} else {
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century = false;
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}
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//0x1f = 0b00011111
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month = month & 0x1f;
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month = bcdToDec(month);
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@ -157,25 +160,31 @@ void Rtc_Pcf8563::getDateTime(void)
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// alarm bytes
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alarm_minute = readBuffer[9];
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if(B10000000 & alarm_minute)
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if(B10000000 & alarm_minute) {
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alarm_minute = RTCC_NO_ALARM;
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else
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} else {
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alarm_minute = bcdToDec(alarm_minute & B01111111);
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}
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alarm_hour = readBuffer[10];
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if(B10000000 & alarm_hour)
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if(B10000000 & alarm_hour) {
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alarm_hour = RTCC_NO_ALARM;
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else
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} else {
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alarm_hour = bcdToDec(alarm_hour & B00111111);
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}
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alarm_day = readBuffer[11];
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if(B10000000 & alarm_day)
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if(B10000000 & alarm_day) {
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alarm_day = RTCC_NO_ALARM;
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else
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} else {
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alarm_day = bcdToDec(alarm_day & B00111111);
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}
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alarm_weekday = readBuffer[12];
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if(B10000000 & alarm_weekday)
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if(B10000000 & alarm_weekday) {
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alarm_weekday = RTCC_NO_ALARM;
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else
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} else {
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alarm_weekday = bcdToDec(alarm_weekday & B00000111);
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}
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// CLKOUT_control 0x03 = 0b00000011
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squareWave = readBuffer[13] & 0x03;
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@ -196,10 +205,12 @@ void Rtc_Pcf8563::setDateTime(byte day, byte weekday, byte month,
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1=19xx
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*/
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month = decToBcd(month);
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if (century)
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if (century) {
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month |= RTCC_CENTURY_MASK;
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else
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} else {
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month &= ~RTCC_CENTURY_MASK;
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}
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/* As per data sheet, have to set everything all in one operation */
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Wire.beginTransmission(Rtcc_Addr); // Issue I2C start signal
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@ -352,9 +363,12 @@ void Rtc_Pcf8563::resetAlarm()
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// true if timer interrupt and control is enabled
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bool Rtc_Pcf8563::timerEnabled()
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{
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if (getStatus2() & RTCC_TIMER_TIE)
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if (timer_control & RTCC_TIMER_TE)
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if (getStatus2() & RTCC_TIMER_TIE) {
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if (timer_control & RTCC_TIMER_TE) {
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return true;
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}
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}
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return false;
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}
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@ -367,7 +381,7 @@ bool Rtc_Pcf8563::timerActive()
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// enable timer and interrupt
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void Rtc_Pcf8563::enableTimer(void)
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void Rtc_Pcf8563::enableTimer()
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{
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getDateTime();
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//set TE to 1
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@ -396,10 +410,12 @@ void Rtc_Pcf8563::enableTimer(void)
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void Rtc_Pcf8563::setTimer(byte value, byte frequency, bool is_pulsed)
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{
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getDateTime();
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if (is_pulsed)
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if (is_pulsed) {
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status2 |= 0x01 << 4;
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else
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} else {
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status2 &= ~(0x01 << 4);
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}
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timer_value = value;
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// TE set to 1 in enableTimer(), leave 0 for now
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timer_control |= (frequency & RTCC_TIMER_TD10); // use only last 2 bits
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@ -420,7 +436,7 @@ void Rtc_Pcf8563::setTimer(byte value, byte frequency, bool is_pulsed)
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// clear timer flag and interrupt
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void Rtc_Pcf8563::clearTimer(void)
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void Rtc_Pcf8563::clearTimer()
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{
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getDateTime();
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//set status2 TF val to zero
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@ -447,7 +463,7 @@ void Rtc_Pcf8563::clearTimer(void)
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// clear timer flag but leave interrupt unchanged */
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void Rtc_Pcf8563::resetTimer(void)
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void Rtc_Pcf8563::resetTimer()
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{
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getDateTime();
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//set status2 TF val to zero to reset timer
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@ -511,17 +527,15 @@ const char *Rtc_Pcf8563::formatDate(byte style)
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getDate();
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switch (style) {
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case RTCC_DATE_ASIA:
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//do the asian style, yyyy-mm-dd
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case RTCC_DATE_ISO8601:
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if (century ) {
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strDate[0] = '1';
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strDate[1] = '9';
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}
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else {
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} else {
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strDate[0] = '2';
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strDate[1] = '0';
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}
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strDate[2] = '0' + (year / 10 );
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strDate[3] = '0' + (year % 10);
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strDate[4] = '-';
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@ -533,21 +547,22 @@ const char *Rtc_Pcf8563::formatDate(byte style)
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strDate[10] = '\0';
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break;
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case RTCC_DATE_US:
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//the pitiful US style, mm/dd/yyyy
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// the utterly bonkers US style, mm/dd/yyyy
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strDate[0] = '0' + (month / 10);
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strDate[1] = '0' + (month % 10);
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strDate[2] = '/';
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strDate[3] = '0' + (day / 10);
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strDate[4] = '0' + (day % 10);
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strDate[5] = '/';
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if (century) {
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strDate[6] = '1';
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strDate[7] = '9';
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}
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else {
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} else {
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strDate[6] = '2';
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strDate[7] = '0';
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}
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strDate[8] = '0' + (year / 10 );
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strDate[9] = '0' + (year % 10);
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strDate[10] = '\0';
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@ -565,17 +580,17 @@ const char *Rtc_Pcf8563::formatDate(byte style)
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if (century) {
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strDate[6] = '1';
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strDate[7] = '9';
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}
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else {
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} else {
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strDate[6] = '2';
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strDate[7] = '0';
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}
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strDate[8] = '0' + (year / 10 );
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strDate[9] = '0' + (year % 10);
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strDate[10] = '\0';
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break;
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}
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return strDate;
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}
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@ -626,44 +641,53 @@ void Rtc_Pcf8563::getTime()
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getDateTime();
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}
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bool Rtc_Pcf8563::getVoltLow(void)
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bool Rtc_Pcf8563::getVoltLow()
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{
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return volt_low;
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}
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byte Rtc_Pcf8563::getSecond() {
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byte Rtc_Pcf8563::getSecond()
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{
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return sec;
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}
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byte Rtc_Pcf8563::getMinute() {
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byte Rtc_Pcf8563::getMinute()
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{
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return minute;
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}
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byte Rtc_Pcf8563::getHour() {
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byte Rtc_Pcf8563::getHour()
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{
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return hour;
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}
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byte Rtc_Pcf8563::getAlarmMinute() {
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byte Rtc_Pcf8563::getAlarmMinute()
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{
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return alarm_minute;
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}
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byte Rtc_Pcf8563::getAlarmHour() {
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byte Rtc_Pcf8563::getAlarmHour()
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{
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return alarm_hour;
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}
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byte Rtc_Pcf8563::getAlarmDay() {
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byte Rtc_Pcf8563::getAlarmDay()
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{
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return alarm_day;
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}
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byte Rtc_Pcf8563::getAlarmWeekday() {
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byte Rtc_Pcf8563::getAlarmWeekday()
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{
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return alarm_weekday;
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}
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byte Rtc_Pcf8563::getTimerControl() {
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byte Rtc_Pcf8563::getTimerControl()
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{
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return timer_control;
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}
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byte Rtc_Pcf8563::getTimerValue() {
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byte Rtc_Pcf8563::getTimerValue()
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{
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// Impossible to freeze this value, it could
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// be changing during read. Multiple reads
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// required to check for consistency.
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@ -672,52 +696,62 @@ byte Rtc_Pcf8563::getTimerValue() {
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last_value = timer_value;
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getDateTime();
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} while (timer_value != last_value);
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return timer_value;
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}
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byte Rtc_Pcf8563::getDay() {
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byte Rtc_Pcf8563::getDay()
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{
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return day;
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}
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byte Rtc_Pcf8563::getMonth() {
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byte Rtc_Pcf8563::getMonth()
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{
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return month;
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}
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byte Rtc_Pcf8563::getYear() {
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byte Rtc_Pcf8563::getYear()
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{
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return year;
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}
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bool Rtc_Pcf8563::getCentury() {
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bool Rtc_Pcf8563::getCentury()
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{
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return century;
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}
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byte Rtc_Pcf8563::getWeekday() {
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byte Rtc_Pcf8563::getWeekday()
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{
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return weekday;
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}
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byte Rtc_Pcf8563::getStatus1() {
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byte Rtc_Pcf8563::getStatus1()
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{
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return status1;
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}
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byte Rtc_Pcf8563::getStatus2() {
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byte Rtc_Pcf8563::getStatus2()
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{
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return status2;
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}
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unsigned long Rtc_Pcf8563::getTimestamp(){
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unsigned long Rtc_Pcf8563::getTimestamp()
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{
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getDateTime(); // update date and time
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unsigned long timestamp = 0;
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// Convert years in days
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timestamp = (year-epoch_year) * 365; // convert years in days
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if((year-epoch_year)>1) // add a dy when it's a leap year
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{
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for(unsigned char i = epoch_year; i<year;i++)
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{
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if((year-epoch_year)>1) { // add a dy when it's a leap year
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for(unsigned char i = epoch_year; i<year;i++) {
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if(isLeapYear(century, i)) timestamp++; // add a day for each leap years
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}
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}
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if(month>2&&isLeapYear(century, year)) timestamp++; // test for the year's febuary
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if(month>2 && isLeapYear(century, year)) {
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timestamp++; // test for the year's febuary
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}
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// add months converted in days
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if(month>1) timestamp += months_days[month-2];
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@ -738,3 +772,44 @@ unsigned long Rtc_Pcf8563::getTimestamp(){
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return timestamp;
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}
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uint64_t Rtc_Pcf8563::getTimestamp64()
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{
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getDateTime(); // update date and time
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uint64_t timestamp = 0;
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// Convert years in days
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timestamp = (year - epoch_year) * 365; // convert years to days
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if((year - epoch_year) > 1) { // add a day when it's a leap year
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for(unsigned char i = epoch_year; i<year;i++) {
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if(isLeapYear(century, i)) {
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timestamp++; // add a day for each leap year
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}
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}
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}
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if(month > 2 && isLeapYear(century, year)) {
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timestamp++; // test for the year's febuary
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}
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// add months converted in days
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if(month > 1) {
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timestamp += months_days[month-2];
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}
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// add days
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timestamp += (day-epoch_day);
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timestamp *= 86400; // convert days in seconds
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// convert time to second and add it to timestamp
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unsigned long timeTemp = hour * 60 + minute;
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timeTemp *= 60;
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timeTemp += sec;
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timestamp += timeTemp; // add hours +minutes + seconds
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timestamp += EPOCH_TIMESTAMP; // add epoch reference
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return timestamp;
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}
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@ -102,7 +102,8 @@
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/* date format flags */
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#define RTCC_DATE_WORLD 0x01
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#define RTCC_DATE_ASIA 0x02
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#define RTCC_DATE_ISO8601 0x02
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#define RTCC_DATE_ASIA 0x02 // It's not "asian", it's ISO8601, that anybody with any sense uses
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#define RTCC_DATE_US 0x04
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/* time format flags */
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#define RTCC_TIME_HMS 0x01
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@ -198,6 +199,7 @@ class Rtc_Pcf8563 {
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byte getTimerValue();
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unsigned long getTimestamp(); // return unix timestamp
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uint64_t getTimestamp64(); // Fixed for 2038+
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// Sets date/time to static fixed values, disable all alarms
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// use zeroClock() above to guarantee lowest possible values instead.
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