-
Notifications
You must be signed in to change notification settings - Fork 0
/
wifi.py
162 lines (125 loc) · 4.82 KB
/
wifi.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
import time
import sys
import io
import network
import config
import machine
import ubinascii
import boot_ssd
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan_scanlist: list[str] = ["wifi1", "wifi2", "wifi3"]
import logging
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
mac = ubinascii.hexlify(network.WLAN().config('mac'), ':').decode()
mac_no_colon: str = mac.replace(':', '')
logger.info(f"MAC: {mac}")
# wlan.config(reconnects=5)
if "hostname" in config.data:
wlan.config(hostname=config.data['hostname'])
elif "hostnameprefix" in config.data:
wlan.config(hostname=f"{config.data['hostnameprefix']}{mac_no_colon}")
else:
wlan.config(hostname=f"esp32_{mac_no_colon}")
def get_wifi_strength():
global wlan
try:
return wlan.status('rssi')
except Exception as ex:
logger.exception(str(ex))
return None
def get_wifi_scan() -> list[dict]|None:
global wlan
ret: list[dict] = []
try:
scaninfo = wlan.scan()
for i in scaninfo:
ssid, bssid, channel, RSSI, authmode, hidden = i
bssid_s = ubinascii.hexlify(bssid)
ret.append({"ssid": ssid, "bssid": bssid_s, "channel": channel, "rssi": RSSI})
logger.info(f"{ssid=} bssid={bssid_s} {channel=} {RSSI=} {authmode=} {hidden=}")
except Exception as ex:
return None
return ret
def get_wifi_config() -> dict:
global wlan
global mac
ret: dict = {"mac": None, "ssid": None, "channel": None, "reconnects": None, "hostname": None}
#logger.info(wlan.config())
for k in ret.keys():
if k == "mac":
ret[k] = mac
else:
ret[k] = wlan.config(k)
return ret
def ensure_wifi() -> tuple|None:
# global data
global wlan, wlan_scanlist
ret: tuple | None = None if not wlan.isconnected else wlan.ifconfig()
while not wlan.isconnected():
for w in wlan_scanlist:
if wlan.isconnected():
break
if w not in config.data:
continue
_bssid = None
_bestrssi = None
scaninfo = wlan.scan()
for i in scaninfo:
ssid, bssid, channel, RSSI, authmode, hidden = i
if ssid.decode('utf-8') == config.data[w]["SSID"]:
if _bestrssi:
if _bestrssi < RSSI:
logger.info(f"BEST ONE SO FAR:: {ssid=} bssid={ubinascii.hexlify(bssid)} {channel=} {RSSI=} {authmode=} {hidden=}")
_bestrssi = RSSI
_bssid = bssid
else:
logger.info(f"INITIAL:: {ssid=} bssid={ubinascii.hexlify(bssid)} channel={channel} RSSI={RSSI} authmode={authmode} hidden={hidden}")
_bestrssi = RSSI
_bssid = bssid
if _bssid is None:
logger.info(
f'connecting to network {config.data[w]["SSID"]} bssid=NONE...') # or just scan and connect to best ?!
else:
logger.info(
f'connecting to network {config.data[w]["SSID"]} bssid={ubinascii.hexlify(_bssid)}...') # or just scan and connect to best ?!
apssid = config.data[w]["SSID"]
if boot_ssd.ssd:
boot_ssd.ssd.fill(0)
boot_ssd.ssd.text(f"Connecting WiFi", 0, 0, 1)
boot_ssd.ssd.text(f"SSID: {apssid}", 0, 9, 1)
boot_ssd.ssd.show()
wlan.connect(apssid, config.data[w]["password"], bssid=_bssid)
for _ in range(config.data[w]["retries"]):
if wlan.isconnected():
ret = wlan.ifconfig()
logger.info(f'network config: wlan.ifconfig()={ret}') # (ip, subnet, gateway, dns)
logger.info(f"WIFI-Strength: wlan.status('rssi')={wlan.status('rssi')}")
# wlan.status()
# ensureWEBREpl()
if boot_ssd.ssd:
boot_ssd.ssd.text(f"Connected.", 0, 18, 1)
boot_ssd.ssd.show()
break
else:
time.sleep(1)
else:
logger.info("disonnecting WIFI")
wlan.disconnect()
return ret
def ensure_wifi_catch_reset(reset_if_wifi_fails: bool = True) -> tuple:
try:
return ensure_wifi()
except Exception as ex:
_timestring = time.getisotimenow()
_out = io.StringIO()
sys.print_exception(ex)
sys.print_exception(ex, _out)
logger.error(_out.getvalue())
if reset_if_wifi_fails:
logger.info("RESETTING...")
machine.reset()
def start_web_repl():
import webrepl
webrepl.start(password=config.data["webrepl"]["password"]) #type: ignore