36 lines
924 B
Python
36 lines
924 B
Python
import ujson
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import network
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from hal import *
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from time import sleep
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print("Press Ctrl-C to stop boot script...")
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sleep(0.2)
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# open and parse the config file
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config = None
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with open("config.json", "r") as config_file:
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config = ujson.load(config_file)
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# connect to WiFi
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wlan = network.WLAN(network.STA_IF)
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# activate the WiFi interface
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wlan.active(True)
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# if not already connected
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if not wlan.isconnected():
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# scan for WiFi networks
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networks = wlan.scan()
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# go trough all scanned WiFi networks
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for network in networks:
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# extract the networks SSID
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ssid = network[0].decode("utf-8")
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# check if the SSID is in the config file
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if ssid in config["wifis"].keys():
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print("connecting to: " + ssid)
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# start to connect to the pre-configured network
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wlan.connect(ssid, config["wifis"][ssid])
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break
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# clean up
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import gc
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gc.collect()
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