feat: NTP time sync writing to DS3231 (by IP, DNS-independent)

This LAN's router does not resolve external hostnames, so NTP uses hard-coded Cloudflare/Google anycast IPs instead of names. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-17 21:05:29 +07:00
parent cb3a06382e
commit ea0256a5b9
4 changed files with 28 additions and 1 deletions
@@ -30,5 +30,5 @@ static const float DEFAULT_LAT           = 54.9870f;
 static const float DEFAULT_LON           = 82.8730f;

 // ---- Network ----
-#define NTP_SERVER "pool.ntp.org"
+// NTP is done by hard-coded IP in rtc_time.cpp (this LAN's DNS is unreliable).
 #define AP_NAME    "WeatherPredictor-Setup"