def wlan_init(antenna=None):
global w
try:
if w is not None:
# print('already initialized')
if antenna is not None and w.antenna() != antenna:
print('set antenna', antenna)
w.antenna(antenna)
return w
except:
pass
if antenna is None:
print("Initialise WiFi")
w = WLAN()
else:
print("Initialise WiFi", ant_name[antenna])
w = WLAN(antenna=antenna)
try:
w.hostname(
binascii.hexlify(machine.unique_id()) + "." + os.uname().sysname +
"." + "w")
# hostname is not available in 1.18.2
except:
pass
# print("ap_mac", binascii.hexlify(w.mac().ap_mac))
# print("sta_mac", binascii.hexlify(w.mac().sta_mac))
# original_ssid = w.ssid()
# original_auth = w.auth()
return w
def wlan_init():
global w
if w is not None:
#print('already initialized')
return w
print("Initialise WiFi")
w = WLAN() #antenna=WLAN.EXT_ANT)
try:
w.hostname(
binascii.hexlify(machine.unique_id()) + "." + os.uname().sysname +
"." + "w")
# hostname is not available in 1.18.2
except:
pass
# print("ap_mac", binascii.hexlify(w.mac().ap_mac))
# print("sta_mac", binascii.hexlify(w.mac().sta_mac))
if (w.mode() == WLAN.AP):
print("switch from AP to STA_AP")
w.mode(WLAN.STA_AP)
# original_ssid = w.ssid()
# original_auth = w.auth()
return w
wlan = WLAN(mode=WLAN.STA)
# classical mac writing convention
print("mac address = " + ubinascii.hexlify(wlan.mac().sta_mac, ':').decode())
strID = ubinascii.hexlify(wlan.mac().sta_mac, '').decode()
# hostname from the 4 last characters
hostNameID = "N" + strID[-5:]
print("hostname = " + hostNameID)
nets = wlan.scan()
# list all enable ssid
for net in nets:
print('Network found with ssid : ' + net.ssid)
print('scanning SSID finished !!')
# connect process for network configuration in configWifi file
if wlan.isconnected():
print(wlan.ifconfig())
else:
for net in nets:
if (net.ssid == configWifi.WIFI_SSID):
wlan.connect(net.ssid,
auth=(net.sec, configWifi.WIFI_PASS),
timeout=5000,
hostname=hostNameID)
while not wlan.isconnected():
machine.idle() # save power while waiting
print(wlan.ifconfig())
print("Connected with IP address:" + wlan.ifconfig()[0])
print(" & hostname: " + wlan.hostname())
