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v0.55 add RTC timestamp bias correction

This commit is contained in:
ivan 2024-07-01 14:09:25 +03:00
parent 1bd9a30575
commit fc9c80e320
1 changed files with 43 additions and 14 deletions
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49
dclock.ino
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@ -1,4 +1,4 @@
// Erisian digital clock - v0.5
// Digital erisian clock - v0.55
#include <Arduino.h>
#include <TimeLib.h>
#include <Thread.h>
@ -9,6 +9,7 @@ const byte PIN_DIO = 3; // DisplaySetting // DIO pin
const byte buttonPin = 4; // ButtonSetting // Button pin (a 10K resistor is necessary)
SevenSegmentExtended display(PIN_CLK, PIN_DIO); // DisplaySetting
Thread mainThread = Thread(); // mainThread
Thread correctionThread = Thread(); // Time bias correction thread
long buttonPressed = 0; // Button press time counter
long previousButtonMillis = 0; // Time of last button press
byte viewMode = 0; // View mode after pressing button
@ -18,22 +19,25 @@ int mainCheck = 108; // The main interval is an eighth of a de
byte octavo = 0; // Eight-count counter
byte colon = 0; // Colon status
float erisiansec; // Erisian second
// Custom settings:
int brightnessPercent = 32; // Display brightness percentage value
long timezoneOffset = (-28800); // Erisian timezoneOffset. Formula for calculating:
// ((-5 christian chours) - (GMT hours))
long timezoneOffset = (-28800); // Erisian timezoneOffset. Formula for calculating: ((-5 christian chours) - (GMT hours))
// Examples:
// GMT+3: ( (-5)-(+3) )*60*60 = -28800
// GMT-0: ( (-5)-(0) )*60*60 = -18000
// GMT-3: ( (-5)-(-3) )*60*60 = -7200
// GMT-5: ( (-5)-(-5) )*60*60 = 0
// GMT-7: ( (-5)-(-7) )*60*60 = 7200
// The beginning of Discordian day (0 hours, 0 minutes,
// 0 seconds) coincides with the beginning of Christian
// day on Easter Island on winter time (GMT-5).
// The beginning of Discordian day (0 hours, 0 minutes, 0 seconds) coincides
// with the beginning of Christian day on Easter Island on winter time (GMT-5).
// Details: https://discordia.fandom.com/wiki/Erisian_Time
// Time bias correction variables:
int correctionBias = 11; // Daily clock correction in seconds
long correctionCheck = 300000;
byte correctionHour = 3;
bool correctionReady = true;
void setup() {
Serial.begin(9600); // Initializes the Serial connection @ 9600 baud for debug
display.begin(); // Display setting, initializes the display
@ -44,19 +48,25 @@ void setup() {
Serial.println("Unable to sync with the RTC");
display.print("_time_not_set_"); // Shows warning "time not set"
} else {
Serial.println("RTC has set the system time");
// Serial.println("RTC has set the system time");
Serial.println(now());
display.print("HAIL_EriS"); // Shows display initialization
}
pinMode(buttonPin, INPUT); // Button setting
// Main thread initialization:
// Main thread thread initialization:
mainThread.onRun(mainLoop);
mainThread.setInterval(mainCheck);
// Time bias correction thread initialization:
correctionThread.onRun(correctionLoop);
correctionThread.setInterval(correctionCheck);
}
void loop() {
// Main thread:
// Threads:
if (mainThread.shouldRun())
mainThread.run();
if (correctionThread.shouldRun())
correctionThread.run();
// Time check:
if (timeStatus() != timeSet)
display.print("SEt tiMe");
@ -218,3 +228,22 @@ void longPress() {
display.print("HAIL_EriS");
viewMode = 0;
}
void correctionLoop() {
if (hour() == correctionHour) {
if (correctionReady) {
// CORRECTION!
tmElements_t RTCtime;
RTC.read(RTCtime);
time_t RTCtimestamp;
RTCtimestamp = makeTime(RTCtime);
tmElements_t timeNew;
time_t newTimestamp = RTCtimestamp - correctionBias;
breakTime(newTimestamp, timeNew);
RTC.write(timeNew);
setSyncProvider(RTC.get);
// CORRECTION!
correctionReady = false;
}
} else correctionReady = true;
}