Merge pull request 'microdot-integration' (#8) from microdot-integration into main

Reviewed-on: #8
Reviewed-by: Matthias Blankertz <matthias@blankertz.org>

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "software/lib/micropython-mfrc522"]
 	path = software/lib/micropython-mfrc522
 	url = ../micropython-mfrc522.git
+[submodule "software/lib/microdot"]
+	path = software/lib/microdot
+	url = ../microdot.git

software/boards/RPI_PICO_W/manifest.py

@@ -10,3 +10,4 @@ require("sdcard")
 require("aiorepl")
 
 module("mfrc522.py", "../../lib/micropython-mfrc522/")
+module("microdot.py", "../../lib/microdot/src/microdot/")

software/src/microdot/main.py

@@ -0,0 +1,38 @@
+import rp2
+import network
+import ubinascii
+from microdot import Microdot
+
+rp2.country('DE')
+
+wlan = network.WLAN(network.AP_IF)
+wlan.config(ssid='TonberryPico', security=network.WLAN.SEC_OPEN)
+# Important: we cannot change the ip in station mode, otherwise dhcp won't work!
+# wlan.ipconfig(addr4='10.0.0.1')
+wlan.active(True)   # loads the firmware
+while wlan.active() is False:
+    pass
+wlan.config(pm=network.WLAN.PM_NONE)
+
+mac = ubinascii.hexlify(network.WLAN().config('mac'), ':').decode()
+print(f"     mac: {mac}")
+print(f" channel: {wlan.config('channel')}")
+print(f"   essid: {wlan.config('essid')}")
+print(f" txpower: {wlan.config('txpower')}")
+print(f"ifconfig: {wlan.ifconfig()}")
+
+app = Microdot()
+
+
+@app.route('/')
+async def index(request):
+    print("wohoo, a guest :)")
+    print(f"  app: {request.app}")
+    print(f"  client: {request.client_addr}")
+    print(f"  method: {request.method}")
+    print(f"  url: {request.url}")
+    print(f"  headers: {request.headers}")
+    print(f"  cookies: {request.cookies}")
+    return "TonberryPico says 'Hello World!'"
+
+app.run(port=80)