Implement notetaking app, ST7796 display with touch support, audio beep navigation, and video streaming

wifi_util.py

@@ -1,6 +1,10 @@
-import network
+try:
+    import network
+    has_network = True
+except ImportError:
+    has_network = False
 
-class WiFiUtil:
+class _ActiveWiFiUtil:
     def __init__(self):
         self.wlan = network.WLAN(network.STA_IF)
         self.wlan.active(True)
@@ -11,7 +15,6 @@ class WiFiUtil:
         networks = self.wlan.scan()
         result = []
         for net in networks:
-            # network tuple: (ssid, bssid, channel, RSSI, authmode, hidden)
             try:
                 ssid = net[0].decode('utf-8')
             except Exception:
@@ -26,3 +29,11 @@ class WiFiUtil:
         # Sort by signal strength (RSSI) descending
         result.sort(key=lambda x: x['rssi'], reverse=True)
         return result
+
+class _DummyWiFiUtil:
+    def __init__(self):
+        print("Wi-Fi not supported on this platform.")
+    def scan(self):
+        return []
+
+WiFiUtil = _ActiveWiFiUtil if has_network else _DummyWiFiUtil