MicroPython : callback if connect network successful

mpy_connect_network.py

import network
import time

SSID = ''
PASSWORD = ''

# disable all network interface first
network.WLAN(network.AP_IF).active(False)
network.WLAN(network.STA_IF).active(False)

def connect_network(ssid, password, on_successful=lambda:print('connect successful')):
    # start connect
    sta_if = network.WLAN(network.STA_IF)
    sta_if.active(True)
    sta_if.connect(ssid, password)
    
    # try to connecting
    timeout = 10000
    start = time.ticks_ms()
    while sta_if.status() == network.STAT_CONNECTING:
        diff = time.ticks_diff(time.ticks_ms(), start)
        if diff > timeout:
            print('Connecting Timeout')
            break
        print('\rconnecting %s' % diff, end="\r")
        time.sleep_ms(1000)
    
    # maybe connect successful, maybe not
    if sta_if.isconnected():
        if callable(on_successful):
            on_successful() # do something
        sta_if.disconnect()
    else:
        print('connect failed')

    # wait disconnect complete
    while sta_if.isconnected():
        time.sleep_ms(100)
    sta_if.active(False)

# connect_network(SSID, PASSWORD, on_successful_callback)
connect_network(SSID, PASSWORD)