jmccardle/web_test.py

## web_test.py
# Pico W GPIO-over-website test
# thanks to https://www.petecodes.co.uk/creating-a-basic-raspberry-pi-pico-web-server-using-micropython/ for the kickstart
import network
import socket
import time
from machine import Pin
import secrets
# secrets.py defines SSID and PASSWORD variables, used on line 12 - don't expose your SSID/passphrase to github, please
import machine
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(secrets.SSID, secrets.PASSWORD)

builtin_led = Pin("LED", Pin.OUT)
gpio_led = Pin(1, Pin.OUT)

# if wlan.isconnected():
#     print(f"Connected: IP is {wlan.ifconfig()[0]}")
# else:
#     print("Not connected")

data = {"builtin_led": False, "gpio_led": False, "msg": None}

def fmt_html():
    builtin_url = f'''/set/builtin/{0 if data['builtin_led'] else 1}'''
    builtin_txt = 'Off' if data['builtin_led'] else 'On'
    gpio_url = f'''/set/gpio/{0 if data['gpio_led'] else 1}'''
    gpio_txt = 'Off' if data['gpio_led'] else 'On'
    flash_txt = ""
    if data['msg']:
        flash_txt = '<p><b>Server Message:</b>' + str(data['msg']) + '</p>'
    return f"""<!DOCTYPE html>
        <html>
            <head> <title>Pico W</title> </head>
            <body> <h1>Pico W</h1>
                {flash_txt}
                <p> <b>Built-in LED state:</b> {data['builtin_led']}
                    <a href="{builtin_url}">
                        Turn {builtin_txt}
                    </a>
                </p>
                <p> <b>GPIO LED state:</b> {data['gpio_led']}
                    <a href="{gpio_url}">
                        Turn {gpio_txt}
                    </a>
                </p>
            </body>
        </html>
    """


# Wait for connect or fail
max_wait = 10
while max_wait > 0:
    if wlan.status() < 0 or wlan.status() >= 3:
        break
    max_wait -= 1
    print('waiting for connection...')
    time.sleep(1)

# Handle connection error
if wlan.status() != 3:
    raise RuntimeError('network connection failed')
else:
    print('connected')
    status = wlan.ifconfig()
    print( 'ip = ' + status[0] )

# Open socket
addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]

s = socket.socket()
s.bind(addr)
s.listen(1)

print('listening on', addr)

# Listen for connections
while True:
    try:
        cl, addr = s.accept()
        #print('client connected from', addr)

        request = cl.recv(1024)
        #print(request)
        data['msg'] = None
        request = str(request)
        request_url = "/"
        try:
            request_url = request.split(" ")[1]
        except: pass

        if request_url.startswith("/set/"):
            data['msg'] = "Set: "
            value = request_url.split('/')[-1].lower() in ("true", "1", "on")
            if request_url.startswith("/set/gpio"):
                gpio_led.value(value)

                data['msg'] += f"GPIO: set to {value} (was {data['gpio_led']})"
                data['gpio_led'] = value

            elif request_url.startswith("/set/builtin"):
                builtin_led.value(value)

                data['msg'] += f"Built-in: set to {value} (was {data['builtin_led']})"
                data['builtin_led'] = value

        elif request_url.startswith("/raw"):
            data['msg'] = str(data)

        print(request_url)
        print(data)
        #response = html.format(**data)
        response = fmt_html()

        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')
#     except Exception as e:
#         print(e)
#         time.sleep(3.0)
#         machine.reset()
	# Pico W GPIO-over-website test
	# thanks to https://www.petecodes.co.uk/creating-a-basic-raspberry-pi-pico-web-server-using-micropython/ for the kickstart
	import network
	import socket
	import time
	from machine import Pin
	import secrets
	# secrets.py defines SSID and PASSWORD variables, used on line 12 - don't expose your SSID/passphrase to github, please
	import machine
	wlan = network.WLAN(network.STA_IF)
	wlan.active(True)
	wlan.connect(secrets.SSID, secrets.PASSWORD)

	builtin_led = Pin("LED", Pin.OUT)
	gpio_led = Pin(1, Pin.OUT)

	# if wlan.isconnected():
	# print(f"Connected: IP is {wlan.ifconfig()[0]}")
	# else:
	# print("Not connected")

	data = {"builtin_led": False, "gpio_led": False, "msg": None}

	def fmt_html():
	builtin_url = f'''/set/builtin/{0 if data['builtin_led'] else 1}'''
	builtin_txt = 'Off' if data['builtin_led'] else 'On'
	gpio_url = f'''/set/gpio/{0 if data['gpio_led'] else 1}'''
	gpio_txt = 'Off' if data['gpio_led'] else 'On'
	flash_txt = ""
	if data['msg']:
	flash_txt = '<p><b>Server Message:</b>' + str(data['msg']) + '</p>'
	return f"""<!DOCTYPE html>
	<html>
	<head> <title>Pico W</title> </head>
	<body> <h1>Pico W</h1>
	{flash_txt}
	<p> <b>Built-in LED state:</b> {data['builtin_led']}
	<a href="{builtin_url}">
	Turn {builtin_txt}
	</a>
	</p>
	<p> <b>GPIO LED state:</b> {data['gpio_led']}
	<a href="{gpio_url}">
	Turn {gpio_txt}
	</a>
	</p>
	</body>
	</html>
	"""


	# Wait for connect or fail
	max_wait = 10
	while max_wait > 0:
	if wlan.status() < 0 or wlan.status() >= 3:
	break
	max_wait -= 1
	print('waiting for connection...')
	time.sleep(1)

	# Handle connection error
	if wlan.status() != 3:
	raise RuntimeError('network connection failed')
	else:
	print('connected')
	status = wlan.ifconfig()
	print( 'ip = ' + status[0] )

	# Open socket
	addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]

	s = socket.socket()
	s.bind(addr)
	s.listen(1)

	print('listening on', addr)

	# Listen for connections
	while True:
	try:
	cl, addr = s.accept()
	#print('client connected from', addr)

	request = cl.recv(1024)
	#print(request)
	data['msg'] = None
	request = str(request)
	request_url = "/"
	try:
	request_url = request.split(" ")[1]
	except: pass

	if request_url.startswith("/set/"):
	data['msg'] = "Set: "
	value = request_url.split('/')[-1].lower() in ("true", "1", "on")
	if request_url.startswith("/set/gpio"):
	gpio_led.value(value)

	data['msg'] += f"GPIO: set to {value} (was {data['gpio_led']})"
	data['gpio_led'] = value

	elif request_url.startswith("/set/builtin"):
	builtin_led.value(value)

	data['msg'] += f"Built-in: set to {value} (was {data['builtin_led']})"
	data['builtin_led'] = value

	elif request_url.startswith("/raw"):
	data['msg'] = str(data)

	print(request_url)
	print(data)
	#response = html.format(**data)
	response = fmt_html()

	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')
	# except Exception as e:
	# print(e)
	# time.sleep(3.0)
	# machine.reset()