letzte Änderungen für Blog-Post
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16
index.html
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16
index.html
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<!--Diese Datei muss für den led-server auf dem PicoW gespeichert werden. -->
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<!DOCTYPE html>
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<html>
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<head>
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<title>Pico W Page</title>
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</head>
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<body>
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<h2> Raspberry Pi Pico Status</h2>
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<ul>
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<li> LED {0} </li>
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<li> Button {1} </li>
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</ul>
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</head
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</html>
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26
led-button.py
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26
led-button.py
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from machine import Pin
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from utime import sleep
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led = Pin(15, Pin.OUT)
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button = Pin(16, Pin.IN)
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waittime = 0.2
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state = False
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running = True
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# Setzt den Zustand der LED und wartet dann <wait> Sekunden.
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def toogle_LED(state,wait):
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if state:
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led.on()
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else:
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led.off()
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sleep(wait)
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#Endlosschleife
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while running:
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state = not state # state hin- und herschalten
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toogle_LED(state,waittime) # LED umschalten
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pressed = button.value()
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if pressed == 0:
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led.off()
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running = False
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print('Button gedrückt, Ende')
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22
led.py
22
led.py
@@ -1,21 +1,17 @@
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from machine import Pin
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from utime import sleep
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led = Pin(35, Pin.OUT)
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led = Pin('LED', Pin.OUT)
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state = False
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LED_PIN =
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# Setzt den Zustand der LED und wartet dann <wait> Sekunden.
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def toggle_LED(state,wait):
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if state:
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led.on()
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else:
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led.off()
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sleep(wait)
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def toggle_LED(state):
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if state:
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led.on()
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else:
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led.off()
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#Endlosschleife
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while True:
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state = not state # state hin- und herschalten
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toggle_LED(state,0.5) # LED umschalten
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state = not state
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toggle_LED(state)
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sleep(0.5)
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103
picow-ledserver.py
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103
picow-ledserver.py
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#encoding: utf-8
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import machine
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import network
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import socket
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import rp2
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from time import sleep
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from machine import Pin
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ssid = 'Echo Base'
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passwd = 'EbsazdZ,d1GvdKAa,daWgw.DmsaaJaGmsvWM,dws.'
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rp2.country('DE')
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led = Pin(15, Pin.OUT)
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button = Pin(16, Pin.IN)
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ledstates = {False:'ausgeschaltet',True:'eingeschaltet'}
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buttonstates = {False:'nicht gedrückt', True:'gedrückt'}
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def toogle_LED(state):
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if state:
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led.on()
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else:
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led.off()
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def load_html():
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try:
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f = open('index.html','r')
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print(f'f={f}')
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page = f.read()
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except IOError as x:
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print(f'I/O-Fehler: {x}')
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finally:
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if f != None:
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f.close()
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return page
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def connect():
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wlan = network.WLAN(network.STA_IF)
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wlan.active(True)
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wlan.connect(ssid,passwd)
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while not wlan.isconnected():
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print('Waiting for connection...')
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sleep(1)
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print(f'connected={wlan.isconnected()}')
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return wlan.ifconfig()
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# Bindet einen Socket an die Verbindung
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def open_socket(ip):
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# Socket öffnen
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s = socket.socket()
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address = socket.getaddrinfo('0.0.0.0',80)[0][-1]
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print(f'address={address}')
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s.bind(address)
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s.listen(1)
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return s
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def serve(s):
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page = load_html()
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print(f'page={page}')
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running = True
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ledstatus = False
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toogle_LED(ledstatus)
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#Start web server
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while running:
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client, address = s.accept()
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request = client.recv(1024)
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print(f'1request={request}')
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request = str(request)
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print(f'2request={request}')
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try:
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request = request.split()[1]
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print(f'3request={request}')
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except IndexError:
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pass
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if request == '/on':
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print('Kommando on')
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ledstatus = True
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elif request =='/off':
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print('Kommando off')
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ledstatus = False
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elif request =='/stop':
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print('stopping')
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running = False
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ledstatus = False
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toogle_LED(ledstatus)
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client.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n'.encode('utf-8'))
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page = page.format(str(ledstatus),button.value())
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client.send(page.encode('utf-8'))
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client.close()
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ip = connect()
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print(f'ip={ip}')
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s = open_socket(ip)
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serve(s)
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s.close()
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toogle_LED(False)
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75
wlan.py
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75
wlan.py
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@@ -0,0 +1,75 @@
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#encoding: utf-8
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import machine
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import network
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import socket
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import rp2
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from time import sleep
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from machine import Pin
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led = Pin(15, Pin.OUT)
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ssid = '<ssid>' # WLAN Name
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passwd = '<passwd>' # Zugangspasswort des WLAN
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rp2.country('DE') # WLAN im deutschen Frequenzspektrum
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html = """<!DOCTYPE html>
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<html>
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<head>
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<title>Willkommen</title>
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</head>
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<body>
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<h2> Willkommen auf dem Raspberry Pi Pico W</h2>
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</head>
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</html>"""
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# Verbindung aufbauen
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def connect():
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wlan = network.WLAN(network.STA_IF)
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wlan.active(True)
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wlan.connect(ssid,passwd)
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while not wlan.isconnected(): # Wiederhlen, bis Verbindung besteht
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print('Waiting for connection...')
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sleep(1)
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print(f'connected={wlan.isconnected()}')
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led.on() # Wenn die Verbindung zum WLAN steht, Status LED einschalten.
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return wlan.ifconfig()
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# Bindet einen Socket an die Verbindung
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def open_socket(ip):
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# Socket öffnen
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s = socket.socket()
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address = socket.getaddrinfo('0.0.0.0',80)[0][-1]
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print(f'address={address}')
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s.bind(address)
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s.listen(1)
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return s
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def serve(connection):
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running = True
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#Start web server
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while running:
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client, adress = connection.accept()
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request = client.recv(1024)
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print(f'1request={request}')
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request = str(request)
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print(f'2request={request}')
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try:
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request = request.split()[1]
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print(f'3request={request}')
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except IndexError:
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pass
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if request =='/stop':
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print('stopping')
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running = False
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client.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n'.encode('utf-8'))
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client.send(html.encode('utf-8'))
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client.close()
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ip = connect()
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print(f'ip={ip}')
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s = open_socket(ip)
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serve(s)
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s.close()
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led.off()
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print(f'socket={s}')
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#Hier ist jetzt die Verbindung aufgebaut und der Socket einsatzbereit.
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