def autoconfig():
# Wireless autoconfiguration. Attempts to connect to known networks; if
# that fails a default AP is created (MicroPython-%06x / micropythoN)
try:
from netcfg_settings import conf
except ImportError:
write_default_netcfg()
from netcfg_settings import conf
# Turn up a station interface
client = network.WLAN(network.STA_IF)
client.active(True)
# disable the AP if that was the last configuration
ap_if = network.WLAN(network.AP_IF)
ap_if.active(False)
# this takes few seconds to complete, giving the firmware time to connect
print("Scanning for networks")
scan_result = set(map(lambda x: x[0].decode('utf-8'), client.scan()))
if client.isconnected():
# network configuration is persistent across soft reboot
print("Cached network: {}".format(client.ifconfig()))
return
known_nets = set(conf['client'].keys())
for ssid in known_nets.intersection(scan_result):
print("Attempting to connect to {}".format(ssid))
client.connect(ssid, conf['client'][ssid]['psk'])
if conf['client'][ssid].get('ip', None):
client.ifconfig(
(conf['client'][ssid]['ip'], conf['client'][ssid]['nm'],
conf['client'][ssid]['gw'], conf['client'][ssid]['ns']))
for _ in range(5):
time.sleep(2)
if client.isconnected():
print("Connected to {}: {}".format(ssid, client.ifconfig()))
return
print("Unable to find a known network, switching to AP mode")
client.active(False)
ap_if.active(True)
if conf.get('ap', None) and conf['ap'].get('ssid', None):
ap_if.config(essid=conf['ap']['ssid'],
password=conf['ap']['psk'],
authmode=network.AUTH_WPA_WPA2_PSK)
ap_if.ifconfig((conf['ap']['ip'], conf['ap']['nm'], conf['ap']['gw'],
conf['ap']['ns']))
else:
from inisetup import wifi
wifi()
import uos
import builtins
from flashbdev import bdev
try:
if bdev:
vfs = uos.VfsFat(bdev, "")
except OSError:
import inisetup
inisetup.check_bootsec()
print("Performing initial setup")
uos.VfsFat.mkfs(bdev)
vfs = uos.VfsFat(bdev, "")
inisetup.wifi()
import uos
import builtins
from flashbdev import bdev
try:
vfs = uos.VfsFat(bdev, "")
except OSError:
import inisetup
inisetup.check_bootsec()
uos.VfsFat.mkfs(bdev)
vfs = uos.VfsFat(bdev, "")
inisetup.wifi()