diff --git a/ESPTimeCast_ESP32/ESPTimeCast_ESP32.ino b/ESPTimeCast_ESP32/ESPTimeCast_ESP32.ino
index 7157c60..8f26b97 100644
--- a/ESPTimeCast_ESP32/ESPTimeCast_ESP32.ino
+++ b/ESPTimeCast_ESP32/ESPTimeCast_ESP32.ino
@@ -43,6 +43,12 @@ int messageScrollSpeed = 85; // default fallback
// --- Nightscout setting ---
const unsigned int NIGHTSCOUT_IDLE_THRESHOLD_MIN = 10; // minutes before data is considered outdated
+// --- Device identity ---
+const char *DEFAULT_HOSTNAME = "esptimecast";
+const char *DEFAULT_AP_PASSWORD = "12345678";
+const char *DEFAULT_AP_SSID = "ESPTimeCast";
+String deviceHostname = DEFAULT_HOSTNAME;
+
// WiFi and configuration globals
char ssid[32] = "";
char password[64] = "";
@@ -426,12 +432,21 @@ void loadConfig() {
}
+// -----------------------------------------------------------------------------
+// Network Identity
+// -----------------------------------------------------------------------------
+void setupHostname() {
+#if defined(ESP8266)
+ WiFi.hostname(deviceHostname);
+#elif defined(ESP32)
+ WiFi.setHostname(deviceHostname.c_str());
+#endif
+}
+
+
// -----------------------------------------------------------------------------
// WiFi Setup
// -----------------------------------------------------------------------------
-const char *DEFAULT_AP_PASSWORD = "12345678";
-const char *AP_SSID = "ESPTimeCast";
-
void connectWiFi() {
Serial.println(F("[WIFI] Connecting to WiFi..."));
@@ -443,11 +458,13 @@ void connectWiFi() {
WiFi.disconnect(true);
delay(100);
+ setupHostname();
+
if (strlen(DEFAULT_AP_PASSWORD) < 8) {
- WiFi.softAP(AP_SSID);
+ WiFi.softAP(DEFAULT_AP_SSID);
Serial.println(F("[WIFI] AP Mode started (no password, too short)."));
} else {
- WiFi.softAP(AP_SSID, DEFAULT_AP_PASSWORD);
+ WiFi.softAP(DEFAULT_AP_SSID, DEFAULT_AP_PASSWORD);
Serial.println(F("[WIFI] AP Mode started."));
}
@@ -470,10 +487,11 @@ void connectWiFi() {
}
// If credentials exist, attempt STA connection
+ WiFi.persistent(false);
WiFi.mode(WIFI_STA);
WiFi.disconnect(true);
delay(100);
-
+ setupHostname();
WiFi.begin(ssid, password);
unsigned long startAttemptTime = millis();
@@ -518,7 +536,8 @@ void connectWiFi() {
} else if (now - startAttemptTime >= timeout) {
Serial.println(F("[WIFI] Failed. Starting AP mode..."));
WiFi.mode(WIFI_AP);
- WiFi.softAP(AP_SSID, DEFAULT_AP_PASSWORD);
+ setupHostname();
+ WiFi.softAP(DEFAULT_AP_SSID, DEFAULT_AP_PASSWORD);
Serial.print(F("[WIFI] AP IP address: "));
Serial.println(WiFi.softAPIP());
dnsServer.start(DNS_PORT, "*", WiFi.softAPIP());
@@ -553,14 +572,13 @@ void connectWiFi() {
// mDNS
// -----------------------------------------------------------------------------
void setupMDNS() {
- const char *hostName = "esptimecast"; // your device name
MDNS.end();
- bool mdnsStarted = false;
- mdnsStarted = MDNS.begin(hostName);
+
+ bool mdnsStarted = MDNS.begin(deviceHostname.c_str());
if (mdnsStarted) {
MDNS.addService("http", "tcp", 80);
- Serial.printf("[WIFI] mDNS started: http://%s.local\n", hostName);
+ Serial.printf("[WIFI] mDNS started: http://%s.local\n", deviceHostname.c_str());
} else {
Serial.println("[WIFI] mDNS failed to start");
}
@@ -1459,6 +1477,29 @@ void setupWebServer() {
}
});
+ server.on("/ip", HTTP_GET, [](AsyncWebServerRequest *request) {
+ String ip;
+
+ if (WiFi.getMode() == WIFI_AP) {
+ ip = WiFi.softAPIP().toString(); // usually 192.168.4.1
+ } else if (WiFi.isConnected()) {
+ ip = WiFi.localIP().toString();
+ } else {
+ ip = "—";
+ }
+
+ request->send(200, "text/plain", ip);
+ });
+
+ server.on("/hostname", HTTP_GET, [](AsyncWebServerRequest *request) {
+ if (WiFi.getMode() == WIFI_AP) {
+ request->send(200, "text/plain", "AP-Mode");
+ } else {
+ String host = deviceHostname + ".local";
+ request->send(200, "text/plain", host);
+ }
+ });
+
server.on("/uptime", HTTP_GET, [](AsyncWebServerRequest *request) {
if (!LittleFS.exists("/uptime.dat")) {
request->send(200, "text/plain", "No uptime recorded yet.");
@@ -2275,10 +2316,10 @@ DisplayMode key:
void setup() {
Serial.begin(115200);
delay(1000);
-#if defined(ARDUINO_USB_MODE)
+#if defined(ARDUINO_USB_MODE)
Serial.setTxTimeoutMs(50);
Serial.println("[SERIAL] USB CDC detected — TX timeout enabled");
- delay(500);
+ delay(500);
#endif
Serial.println();
Serial.println(F("[SETUP] Starting setup..."));
diff --git a/ESPTimeCast_ESP32/index_html.h b/ESPTimeCast_ESP32/index_html.h
index 61984a4..8d869d9 100644
--- a/ESPTimeCast_ESP32/index_html.h
+++ b/ESPTimeCast_ESP32/index_html.h
@@ -686,7 +686,9 @@ textarea::placeholder {
@@ -1735,6 +1737,33 @@ window.addEventListener('DOMContentLoaded', () => {
if (dimEl) dimEl.addEventListener('change', setDimmingFieldsEnabled);
});
+document.addEventListener("DOMContentLoaded", () => {
+
+ // --- IP ---
+ fetch('/ip')
+ .then(r => r.text())
+ .then(ip => {
+ const el = document.getElementById('ipDisplay');
+ if (el) el.textContent = ip || "—";
+ })
+ .catch(() => {
+ const el = document.getElementById('ipDisplay');
+ if (el) el.textContent = "—";
+ });
+
+ // --- Hostname ---
+ fetch('/hostname')
+ .then(r => r.text())
+ .then(host => {
+ const el = document.getElementById('hostnameDisplay');
+ if (el) el.textContent = host || "—";
+ })
+ .catch(() => {
+ const el = document.getElementById('hostnameDisplay');
+ if (el) el.textContent = "—";
+ });
+
+});