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master 1.0
Olli Graf 1 month ago
parent
commit
4d90cd2f27
  1. 16
      index.html
  2. 20
      led.py
  3. 111
      pico2w-ledserver.py
  4. 6
      wlan.json

16
index.html

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<!--Diese Datei muss für den led-server auf dem PicoW gespeichert werden. -->
<!DOCTYPE html>
<html>
<head>
<title>Pico W Page</title>
</head>
<body>
<h2> Raspberry Pi Pico Status</h2>
<ul>
<li> LED {0} </li>
<li> Button {1} </li>
</ul>
</head
</html>

20
led.py

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from machine import Pin
from utime import sleep
led = Pin("LED", Pin.OUT)
state = False
running = True
#Endlosschleife
led.off()
while True:
state = not state # state hin- und herschalten
sleep(1.0)
if state:
print('LED on')
led.on()
# running = False
else:
print('LED off')
led.off()

111
pico2w-ledserver.py

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#file: pico2w-ledserver
#encoding: utf-8
import machine
import network
import json
import socket
import rp2
from time import sleep
from machine import Pin
f = open('wlan.json', 'r')
c = json.load(f)
ssid = c['ssid']
passwd = c['passwd']
rp2.country(c['regio'])
led = Pin("LED", Pin.OUT)
ledstates = {'False':'ausgeschaltet','True':'eingeschaltet'}
def toogle_LED(state):
if state:
led.on()
else:
led.off()
def load_html():
try:
f = open('index.html','r')
print(f'f={f}')
page = f.read()
except IOError as x:
print(f'I/O-Fehler: {x}')
finally:
if f != None:
f.close()
return page
def connect():
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(ssid,passwd)
while not wlan.isconnected():
print('Waiting for connection...')
sleep(1)
print(f'connected={wlan.isconnected()}')
return wlan.ifconfig()
# Bindet einen Socket an die Verbindung
def open_socket(ip):
# Socket öffnen
s = socket.socket()
address = socket.getaddrinfo('0.0.0.0',80)[0][-1]
print(f'address={address}')
s.bind(address)
s.listen(1)
return s
def serve(s):
page = load_html()
print(f'page={page}')
running = True
ledstatus = False
req_count = 0
toogle_LED(ledstatus)
#Start web server
while running:
client, address = s.accept()
request = client.recv(1024)
request = str(request)
req_count += 1
print(f'req_count={req_count}')
try:
request = request.split()[1]
except IndexError:
pass
if request == '/on':
print('Kommando on')
ledstatus = True
elif request =='/off':
print('Kommando off')
ledstatus = False
elif request =='/stop':
print('stopping')
running = False
ledstatus = False
toogle_LED(ledstatus)
client.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n'.encode('utf-8'))
state = ledstates[str(ledstatus)]
print(f'status={state}')
page = page.format(state)
client.send(page.encode('utf-8'))
client.close()
ip = connect()
print(f'ip={ip}')
s = open_socket(ip)
serve(s)
s.close()
toogle_LED(False)

6
wlan.json

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{
"ssid": "<ssid>",
"passwd": "<wlan-passwort>",
"regio": "DE"
}
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