Dateien zum 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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20
led.py
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20
led.py
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from machine import Pin
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from utime import sleep
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led = Pin("LED", Pin.OUT)
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state = False
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running = True
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#Endlosschleife
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led.off()
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while True:
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state = not state # state hin- und herschalten
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sleep(1.0)
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if state:
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print('LED on')
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led.on()
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# running = False
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else:
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print('LED off')
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led.off()
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111
pico2w-ledserver.py
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111
pico2w-ledserver.py
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#file: pico2w-ledserver
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#encoding: utf-8
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import machine
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import network
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import json
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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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f = open('wlan.json', 'r')
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c = json.load(f)
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ssid = c['ssid']
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passwd = c['passwd']
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rp2.country(c['regio'])
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led = Pin("LED", Pin.OUT)
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ledstates = {'False':'ausgeschaltet','True':'eingeschaltet'}
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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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req_count = 0
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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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request = str(request)
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req_count += 1
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print(f'req_count={req_count}')
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try:
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request = request.split()[1]
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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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state = ledstates[str(ledstatus)]
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print(f'status={state}')
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page = page.format(state)
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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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