MicroPython - RPi Pico W HTTP 통신하기

main_0.py

from network import WLAN, STA_IF
from time import sleep
import socket

SSID = 'devicemart'
PASSWORD = 'devicemart1'

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])
    
ai = socket.getaddrinfo('google.com', 80)
addr = ai[0][-1]

s = socket.socket()
s.connect(addr)
s.send(b'GET / HTTP/1.0\r\n\r\n')

print(s.recv(512))

main_1.py

from network import WLAN, STA_IF
from time import sleep
import urequests

SSID = 'devicemart'
PASSWORD = 'devicemart1'

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])
    
r = urequests.get('http://www.google.com')
print(r.content)
r.close()

main_2.py

from network import WLAN, STA_IF
from time import sleep
import urequests

SSID = 'devicemart'
PASSWORD = 'devicemart1'

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])
    
r = urequests.get('http://www.raspberrypi.com')
print(r.status_code) # 302 redirect code
r.close()

main_3.py

from network import WLAN, STA_IF
from time import sleep
import urequests

SSID = 'devicemart'
PASSWORD = 'devicemart1'

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])
    
r = urequests.get('http://date.jsontest.com')
print(r.json())
r.close()