neosarchizo/main.py

## main.py
from network import WLAN, STA_IF
from time import sleep
import socket
from machine import Pin
import uasyncio as asyncio

SSID = 'devicemart'
PASSWORD = 'devicemart1'

HTML = '''<!DOCTYPE html>
<html>
    <head>
        <title>Pico W</title>
    </head>
    <body>
        <h1>Pico W</h1>
        <p>%s</p>
    </body>
</html>
'''

led = Pin(18, Pin.OUT)
led.value(0)

led_heartbeat = Pin(19, Pin.OUT)
led_heartbeat.value(0)

wlan = WLAN(STA_IF)

async def serve_client(reader, writer):
    print('Client connected')
    request_line = await reader.readline()
    print('Request:', request_line)

    while await reader.readline() != b'\r\n':
        pass

    request = str(request_line)
    led_on = request.find('/led/on')
    led_off = request.find('/led/off')

    print('index of /led/on = ' + str(led_on))
    print('index of /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

    writer.write('HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n')
    writer.write(response)

    await writer.drain()
    await writer.wait_closed()
    print('Client disconnected')

async def main():
    print('Connecting to Network...')
    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])

    print('Setting up webserver...')
    asyncio.create_task(asyncio.start_server(serve_client, '0.0.0.0', 80))

    while True:
        led_heartbeat.value(1)
        print('heartbeat')
        await asyncio.sleep(0.25)
        led_heartbeat.value(0)
        await asyncio.sleep(5)

try:
    asyncio.run(main())
finally:
    asyncio.new_event_loop()
	from network import WLAN, STA_IF
	from time import sleep
	import socket
	from machine import Pin
	import uasyncio as asyncio

	SSID = 'devicemart'
	PASSWORD = 'devicemart1'

	HTML = '''<!DOCTYPE html>
	<html>
	<head>
	<title>Pico W</title>
	</head>
	<body>
	<h1>Pico W</h1>
	<p>%s</p>
	</body>
	</html>
	'''

	led = Pin(18, Pin.OUT)
	led.value(0)

	led_heartbeat = Pin(19, Pin.OUT)
	led_heartbeat.value(0)

	wlan = WLAN(STA_IF)

	async def serve_client(reader, writer):
	print('Client connected')
	request_line = await reader.readline()
	print('Request:', request_line)

	while await reader.readline() != b'\r\n':
	pass

	request = str(request_line)
	led_on = request.find('/led/on')
	led_off = request.find('/led/off')

	print('index of /led/on = ' + str(led_on))
	print('index of /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

	writer.write('HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n')
	writer.write(response)

	await writer.drain()
	await writer.wait_closed()
	print('Client disconnected')

	async def main():
	print('Connecting to Network...')
	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])

	print('Setting up webserver...')
	asyncio.create_task(asyncio.start_server(serve_client, '0.0.0.0', 80))

	while True:
	led_heartbeat.value(1)
	print('heartbeat')
	await asyncio.sleep(0.25)
	led_heartbeat.value(0)
	await asyncio.sleep(5)

	try:
	asyncio.run(main())
	finally:
	asyncio.new_event_loop()