kopia lustrzana https://github.com/tayfunulu/WiFiManager
62 wiersze
1.7 KiB
Python
62 wiersze
1.7 KiB
Python
import network
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import networkconfig
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import time
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wlan_sta = network.WLAN(network.STA_IF)
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def check_connection():
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global wlan_sta
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# First check if there already is any connection:
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if wlan_sta.isconnected():
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return True
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connected = False
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try:
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# ESP connecting to WiFi takes time, wait a bit and try again:
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time.sleep(3)
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if wlan_sta.isconnected():
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return True
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# Read known network profiles from file
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profiles = networkconfig.read_profiles()
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# Search WiFis in range
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networks = wlan_sta.scan()
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AUTHMODE = {0: "open", 1: "WEP", 2: "WPA-PSK", 3: "WPA2-PSK", 4: "WPA/WPA2-PSK"}
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for ssid, bssid, channel, rssi, authmode, hidden in sorted(networks, key=lambda x: x[3], reverse=True):
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ssid = ssid.decode('utf-8')
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encrypted = authmode > 0
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print("ssid: %s chan: %d rssi: %d authmode: %s" % (ssid, channel, rssi, AUTHMODE.get(authmode, '?')))
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if encrypted:
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if ssid in profiles:
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password = profiles[ssid]
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connected = networkconfig.do_connect(ssid, password)
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else:
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print("skipping unknown encrypted network")
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else: # open
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connected = networkconfig.do_connect(ssid, None)
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if connected:
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break
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except OSError:
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pass
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# start web server for connection manager:
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if not connected:
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connected = networkconfig.start()
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return connected
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if check_connection():
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# Main Code is here
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print("ESP OK")
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# to import your code;
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# import sample_mqtt.py
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else:
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print("There is something wrong.")
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