Add native USB HID boot setup and status display

main.py

@@ -4,7 +4,8 @@ import network
 import time
 import urandom
 
-from hid import HID
+from display import StatusDisplay
+from hid import get_hid
 from settings import load, save
 from web import WebServer
 
@@ -32,6 +33,14 @@ def choose_due(now, minimum, maximum):
     return time.ticks_add(now, seconds_to_ms(randint(minimum, maximum)))
 
 
+def ip_address(wlan):
+    """Return the station IPv4 address across supported MicroPython versions."""
+    try:
+        return wlan.ipconfig("addr4")[0]
+    except AttributeError:
+        return wlan.ifconfig()[0]
+
+
 def start_mdns():
     """Advertise the configuration page as http://polterhid.local/."""
     import mdns
@@ -44,7 +53,9 @@ def start_mdns():
 
 def main():
     settings = load()
-    hid = HID()
+    display = StatusDisplay()
+    display.update(settings["wifi_ssid"])
+    hid = get_hid()
     wlan = connect_wifi(settings)
     volume_requests = []
 
@@ -63,6 +74,7 @@ def main():
     next_wifi_retry = now
     mdns_server = None
     next_mdns_retry = now
+    next_display_refresh = now
 
     while True:
         now = time.ticks_ms()
@@ -73,6 +85,11 @@ def main():
             wlan.connect(settings["wifi_ssid"], settings["wifi_password"])
             next_wifi_retry = time.ticks_add(now, 10000)
 
+        if time.ticks_diff(now, next_display_refresh) >= 0:
+            address = ip_address(wlan) if wlan.isconnected() else None
+            display.update(settings["wifi_ssid"], address)
+            next_display_refresh = time.ticks_add(now, 1000)
+
         if (wlan.isconnected() and mdns_server is None and
                 time.ticks_diff(now, next_mdns_retry) >= 0):
             try: