Update: WiFi RSSI, animated eyes, date in clock mode

src/main.cpp

@@ -59,6 +59,34 @@ void reconnect() {
     }
 }
 
+void drawEyes(int frame) {
+    int eyeY = 8;
+    int leftX = 28;
+    int rightX = 68;
+    int eyeW = 26;
+    int eyeH = 20;
+    
+    int pupilX = sin(frame * 0.3) * 4;
+    int pupilY = cos(frame * 0.2) * 3;
+    int blink = frame % 50;
+    int openH = (blink > 46) ? 2 : eyeH;
+    int pupilR = (blink > 46) ? 0 : 4;
+    
+    for (int i = 0; i < 2; i++) {
+        int x = (i == 0) ? leftX : rightX;
+        u8g2.drawEllipse(x + eyeW / 2, eyeY + openH / 2, eyeW / 2, openH / 2, U8G2_DRAW_ALL);
+    }
+    
+    if (pupilR > 0) {
+        u8g2.drawFilledEllipse(leftX + eyeW / 2 + pupilX, eyeY + eyeH / 2 + pupilY, pupilR, pupilR);
+        u8g2.drawFilledEllipse(rightX + eyeW / 2 + pupilX, eyeY + eyeH / 2 + pupilY, pupilR, pupilR);
+        u8g2.drawFilledEllipse(leftX + eyeW / 2 + pupilX, eyeY + eyeH / 2 + pupilY, pupilR - 2, pupilR - 2);
+        u8g2.drawFilledEllipse(rightX + eyeW / 2 + pupilX, eyeY + eyeH / 2 + pupilY, pupilR - 2, pupilR - 2);
+    }
+    
+    u8g2.drawStr(5, 52, "Connecting...");
+}
+
 void setup() {
     Serial.begin(115200);
     Wire.begin(21, 22);
@@ -96,15 +124,16 @@ void setup() {
     u8g2.sendBuffer();
     delay(1500);
 
-    u8g2.clearBuffer();
-    u8g2.drawStr(5, 40, "Connecting...");
-    u8g2.sendBuffer();
-
     Serial.println("Connecting to WiFi...");
     
+    int eyeFrame = 0;
     WiFi.begin(ssid, password);
     int attempts = 0;
     while (WiFi.status() != WL_CONNECTED && attempts < 30) {
+        u8g2.clearBuffer();
+        drawEyes(eyeFrame);
+        u8g2.sendBuffer();
+        eyeFrame++;
         delay(500);
         Serial.print(".");
         attempts++;
@@ -112,13 +141,19 @@ void setup() {
     
     if (WiFi.status() != WL_CONNECTED) {
         Serial.println("\nTrying backup WiFi...");
+        eyeFrame = 0;
         u8g2.clearBuffer();
         u8g2.drawStr(5, 40, "Backup WiFi...");
         u8g2.sendBuffer();
+        delay(1500);
         
         WiFi.begin(ssid2, password2);
         attempts = 0;
         while (WiFi.status() != WL_CONNECTED && attempts < 30) {
+            u8g2.clearBuffer();
+            drawEyes(eyeFrame);
+            u8g2.sendBuffer();
+            eyeFrame++;
             delay(500);
             Serial.print(".");
             attempts++;
@@ -220,12 +255,15 @@ void drawTime() {
     sprintf(dateStr, "%02d.%02d.%04d", timeinfo->tm_mday, timeinfo->tm_mon + 1, timeinfo->tm_year + 1900);
 
     u8g2.clearBuffer();
-    u8g2.setFont(u8g2_font_ncenB14_tr);
+    u8g2.setFont(u8g2_font_5x7_tr);
-    int16_t cw = u8g2.getStrWidth("CLOCK");
+    char rssiStr[10];
-    u8g2.drawStr((128 - cw) / 2, 18, "CLOCK");
+    int rssi = WiFi.RSSI();
+    sprintf(rssiStr, "Wifi: %d dBm", rssi);
+    int16_t ww = u8g2.getStrWidth(rssiStr);
+    u8g2.drawStr((128 - ww) / 2, 10, rssiStr);
     u8g2.setFont(u8g2_font_ncenB24_tr);
     int16_t w = u8g2.getStrWidth(timeStr);
-    u8g2.drawStr((128 - w) / 2, 50, timeStr);
+    u8g2.drawStr((128 - w) / 2, 45, timeStr);
     u8g2.setFont(u8g2_font_5x7_tr);
     int16_t dw = u8g2.getStrWidth(dateStr);
     u8g2.drawStr((128 - dw) / 2, 62, dateStr);