[Issue #1] - Added configurable NTPServer option in config.go; also added DNS name resolution so you don't have to use IPs

2026-09-11 00:39:54 -04:00
parent 5e00c5c8ed
commit d09369c394
3 changed files with 53 additions and 10 deletions
@@ -109,16 +109,27 @@ func main() {
  // Extract IP string from the returned NetworkStack
  ipStr := netStack.localIP.String()

-  // Sync wall time using public NTP (e.g. Cloudflare: 162.159.200.1 / time.cloudflare.com)
-  println("Synchronizing clock via NTP...")
-  oled.ClearBuffer()
-  tinyfont.WriteLine(oled, defaultFont, 0, 32, "Syncing NTP...", white)
-  oled.Display()
-  ntpServer := netip.MustParseAddr("162.159.200.1")
-  timeOffset, err := syncNTP(netStack, ntpServer, 5*time.Second)
-  if err != nil {
-    panicErr("NTP sync failed", err)
-  }
+  println("Resolving NTP server:", NTPServer)
+	oled.ClearBuffer()
+	tinyfont.WriteLine(oled, defaultFont, 0, 32, "Resolving NTP...", white)
+	oled.Display()
+
+  ntpServer, err := resolveHostToIP(netStack, NTPServer, 5*time.Second)
+	if err != nil {
+		panicErr("NTP DNS lookup failed", err)
+	}
+	println("NTP server IP: ", ntpServer.String())
+  time.Sleep(1 * time.Second)
+
+	println("Synchronizing clock via NTP...")
+	oled.ClearBuffer()
+	tinyfont.WriteLine(oled, defaultFont, 0, 32, "Syncing NTP...", white)
+	oled.Display()
+
+	timeOffset, err := syncNTP(netStack, ntpServer, 5*time.Second)
+	if err != nil {
+		panicErr("NTP sync failed", err)
+	}

  println("NTP synced successfully!")
  oled.ClearBuffer()