sumorobot-remote/boot.py

# This file is executed on every boot (including wake-boot from deepsleep)
#import esp
#esp.osdebug(None)
import gc
import ujson
import network
from utime import sleep_ms
from machine import Timer, Pin
#webrepl.start()
# Open and parse the config file
with open("config.json", "r") as config_file:
    config = ujson.load(config_file)


remoteName = "Remote-"+config["remote-id"]
print("remoteName", remoteName)

ap_if = network.WLAN(network.AP_IF)
ap_if.active(False)

wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.config(dhcp_hostname=remoteName)

# If not already connected
if not wlan.isconnected():
    # Scan for WiFi networks
    print("Scan")
    networks = wlan.scan()
    # Go trough all scanned WiFi networks
    for network in networks:
        # Extract the networks SSID
        ssid = network[0].decode("utf-8")
        # Check if the SSID is in the config file
        if ssid in config["wifis"].keys():
            # Start to connect to the pre-configured network
            print("Connecting")
            wlan.connect(ssid, config["wifis"][ssid])
            break

gc.collect()