while not wlan.isconnected(): - Infinite Loop

[mkharibalaji]

Hi Team,
After the latest update

(sysname='LoPy', nodename='LoPy', release='1.5.0.b2', version='v1.8.6-412-gf55ba50 on 2017-01-28', machine='LoPy with ESP32')

The below code is entering into an infinite Loop.Is wlan isConnected not working ?

from network import WLAN
from time import sleep_ms

wifi_count=1
while not wlan.isconnected():
    print('Connecting Wifi attempt-{}'.format(wifi_count))
    wlan.connect('XXXX-NetGear', auth=(WLAN.WPA2, 'booboo@123'), timeout=5000)
    sleep_ms(1000)
    wifi_count=wifi_count+1
    pass

Thanks & regards,
MK HB

[mkharibalaji]

Hi Guys,
If we increase sleep_ms to 5 secs then it works ? Is that the proper way to do this ?

Thanks & regards,
MK HB

[livius]

no it is not good
look here for example:
https://docs.pycom.io/pycom_esp32/pycom_esp32/tutorial/includes/wlan.html

while not wlan.isconnected():
            machine.idle() # save power while waiting

and questions:

1. your router have dhcp enabled?
   if not then try setting fixed ip in your LoPY
   e.g.

wlan.ifconfig(config=('192.168.1.120', '255.255.255.0', '192.168.1.1', '192.168.1.1'))

2. Do you have MAC filtering in your router enabled?
   if yes you must add mac of your LoPy

[mkharibalaji]

@livius Thanks a lot :)