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neosarchizo/main.py

Created November 25, 2022 03:59
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MicroPython - RPi Pico W 서버로 LED 제어하기
Raw
main.py
from network import WLAN, STA_IF
from time import sleep
import socket
from machine import Pin
led = Pin(18, Pin.OUT)
led.value(0)
SSID = 'devicemart'
PASSWORD = 'devicemart1'
HTML = '''<!DOCTYPE html>
<html>
<head>
<title>Pico W</title>
</head>
<body>
<h1>Pico W</h1>
<p>%s</p>
</body>
</html>
'''
wlan = WLAN(STA_IF)
wlan.active(True)
wlan.connect(SSID, PASSWORD)
max_wait = 10
while max_wait > 0:
if wlan.status() < 0 or wlan.status() >= 3:
break
max_wait -= 1
print('waiting for connection...')
sleep(1)
if wlan.status() != 3:
raise RuntimeError('network connection failed')
else: # wlan.status() == 3
print('connected')
status = wlan.ifconfig()
print('ip = ' + status[0])
addr_server = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
s = socket.socket()
s.bind(addr_server)
s.listen(1)
print('Listening on', addr_server)
state = ''
while True:
try:
cl, addr_client = s.accept()
print('client connected from', addr_client)
request = cl.recv(1024)
print(request)
request = str(request)
led_on = request.find('/led/on')
led_off = request.find('/led/off')
print( 'led on = ' + str(led_on))
print( 'led off = ' + str(led_off))
if led_on == 6:
print("led on")
led.value(1)
state = "LED is ON"
if led_off == 6:
print("led off")
led.value(0)
state = "LED is OFF"
response = HTML % state
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')
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