added webserver example

Alasdair Allan · Alasdair Allan · commit 5a823b14c560 · 2023-03-01T15:53:15.000Z
diff --git a/wireless/webserver.py b/wireless/webserver.py
@@ -0,0 +1,80 @@
+import network
+import socket
+import time
+
+from machine import Pin
+
+led = Pin(15, Pin.OUT)
+
+ssid = 'YOUR NETWORK NAME'
+password = 'YOUR NETWORK PASSWORD'
+
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+wlan.connect(ssid, password)
+
+html = """<!DOCTYPE html>
+<html>
+    <head> <title>Pico W</title> </head>
+    <body> <h1>Pico W</h1>
+        <p>%s</p>
+    </body>
+</html>
+"""
+
+max_wait = 10
+while max_wait > 0:
+    if wlan.status() < 0 or wlan.status() >= 3:
+        break
+    max_wait -= 1
+    print('waiting for connection...')
+    time.sleep(1)
+
+if wlan.status() != 3:
+    raise RuntimeError('network connection failed')
+else:
+    print('connected')
+    status = wlan.ifconfig()
+    print( 'ip = ' + status[0] )
+
+addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+
+s = socket.socket()
+s.bind(addr)
+s.listen(1)
+
+print('listening on', addr)
+
+# Listen for connections
+while True:
+    try:
+        cl, addr = s.accept()
+        print('client connected from', addr)
+        request = cl.recv(1024)
+        print(request)
+
+        request = str(request)
+        led_on = request.find('/light/on')
+        led_off = request.find('/light/off')
+        print( 'led on = ' + str(led_on))
+        print( 'led off = ' + str(led_off))
+
+        if led_on == 6:
+            print("led on")
+            led.value(1)
+            stateis = "LED is ON"
+
+        if led_off == 6:
+            print("led off")
+            led.value(0)
+            stateis = "LED is OFF"
+
+        response = html % stateis
+
+        cl.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
+        cl.send(response)
+        cl.close()
+
+    except OSError as e:
+        cl.close()
+        print('connection closed')
