Add documentation and utility modules

- Add API specification documentation
- Add system specification document
- Add UI mockups and documentation
- Add utility modules (wifi)

src/util/wifi.py

@@ -0,0 +1,38 @@
+import network
+from time import sleep
+
+def connect(ssid, password, ip, gateway):
+    if ssid is None or password is None:
+        print("Missing ssid or password")
+        return None
+    try:
+        sta_if = network.WLAN(network.STA_IF)
+        if ip is not None and gateway is not None:
+            sta_if.ifconfig((ip, '255.255.255.0', gateway, '1.1.1.1'))
+        if not sta_if.isconnected():
+            print('connecting to network...')
+            sta_if.active(True)
+            sta_if.connect(ssid, password)
+            sleep(0.1)
+            if sta_if.isconnected():
+                return sta_if.ifconfig()
+            return None
+        return sta_if.ifconfig()
+    except Exception as e:
+        print(f"Failed to connect to wifi {e}")
+        return None
+
+
+def ap(ssid, password):
+    ap_if = network.WLAN(network.AP_IF)
+    ap_mac = ap_if.config('mac')
+    print(ssid)
+    ap_if.active(True)
+    ap_if.config(essid=ssid, password=password)
+    ap_if.active(False)
+    ap_if.active(True)
+    print(ap_if.ifconfig())
+
+def get_mac():
+    ap_if = network.WLAN(network.AP_IF)
+    return ap_if.config('mac')