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sunlichao

1. import network
   
2. wlan = network.WLAN(network.STA_IF) # create station interface
   
3. wlan.active(True)       # activate the interface
   
4. wlan.scan()             # scan for access points
   
5. wlan.isconnected()      # check if the station is connected to an AP
   
6. wlan.connect('essid', 'password') # connect to an AP
   
7. wlan.config('mac')      # get the interface's MAC adddress
   
8. wlan.ifconfig()         # get the interface's IP/netmask/gw/DNS addresses
   
9. ap = network.WLAN(network.AP_IF) # create access-point interface
   
10. ap.active(True)         # activate the interface
    
11. ap.config(essid='ESP-AP') # set the ESSID of the access point
    
12. def do_connect():
    
13.    import network
    
14.    wlan = network.WLAN(network.STA_IF)
    
15.    wlan.active(True)
    
16.    if not wlan.isconnected():
    
17.        print('connecting to network...')
    
18.        wlan.connect('essid', 'password')
    
19.        while not wlan.isconnected():
    
20.            pass
    
21.    print('network config:', wlan.ifconfig())

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