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прошивка по записи RTC для старых часов rally
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135
2024-07-28 20:57:14 +03:00
parent 3f97f3f02a
commit fc069bd63e
5 changed files with 66 additions and 33 deletions
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25
RTC_com.cpp
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@@ -22,7 +22,7 @@ static int ledPin_Sync = A7; // Pin for valid RTC Sync
static byte RTC_1HZ_PIN = cfg_pin_RTC_SQW; // Pin 3 = NANO INT1, RTC provides a 1Hz interrupt signal on this Pin
static time_t last_sync_t = 0; // last sync
static byte sync_err_hours = 4; // set to 4 for DS3231M, may be set to 8 for DS3231SN. Warning if no GPS sync after n hours, possible 0.1 sec error.
bool SyncErr = true;
bool SyncErr = true, RTC_SQW_LCD;
#include <DS3232RTC.h>
DS3232RTC myRTC(0x68); // cfg_
@@ -31,7 +31,7 @@ unsigned long RTCMillis; // blinking timer
void rtc_interrupt() {
//Serial.print("DEBUG[INT] RTC interrupt "); Serial.println(micros());
RTCMillis = millis();
RTCMillis = micros();
RTC_sec = true;
}
@@ -51,34 +51,37 @@ void RTC_setup() {
}
void RTC_loop() {
//Serial.println("DEBUG[RTC_loop()] Start");
if (RTC_sec) { // do after RTC PseudoPPS interrupt, without interrupt NO time/date to display
DEBUG_PORT.println("DEBUG[RTC_loop()] RTC_sec: " + String(RTC_sec));
DEBUG_PORT.println("DEBUG[RTC_loop()] RTCMillis: " + String(RTCMillis));
DEBUG_PORT.println("DEBUG[RTC_loop()] millis: " + String(millis()));
//DEBUG_PORT.println("DEBUG[RTC_loop()] RTC_sec: " + String(RTC_sec));
//DEBUG_PORT.println("DEBUG[RTC_loop()] RTCMillis: " + String(RTCMillis));
//DEBUG_PORT.println("DEBUG[RTC_loop()] millis: " + String(millis()));
lcd.setCursor(5, 0); RTC_SQW_LCD = !RTC_SQW_LCD;
lcd.print((RTC_SQW_LCD) ? " " : ":");
RTC_sec = false; // clear flag
digitalWrite(ledPin_PPS, LOW); // LED off
time_t now_t = myRTC.get();
if ((last_sync_t + (sync_err_hours * 3600)) < now_t) {
SyncErr = true;
digitalWrite(ledPin_Sync, LOW); // LED off
//digitalWrite(ledPin_Sync, LOW); // LED off
}
Sec_Flip(now_t); // pass current datetime from RTC in UTC
}
else {
NewSec = false;
}
if (millis() > (RTCMillis + 100)) { // do 100ms after PseudoPPS interrupt
/*if (millis() > (RTCMillis + 100)) { // do 100ms after PseudoPPS interrupt
digitalWrite(ledPin_PPS, HIGH); // LED on
}
}*/
}
void SetRTC(time_t t) {
myRTC.set(t + 1); // the GPS NMEA output is 1 second behind at PPS !!
last_sync_t = t;
SyncErr = false;
digitalWrite(ledPin_Sync, HIGH); // LED on
//Serial.println("RTC set by GPS"); // debug
//digitalWrite(ledPin_Sync, HIGH); // LED on
DEBUG_PORT.println("RTC set by GPS"); // debug
}
//End