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WiFi changes again

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Adrian A. Baumann
2026-04-21 01:39:26 +02:00
parent 81099d9887
commit 4045da8964
1 changed files with 45 additions and 37 deletions
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44
gauge.py
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@@ -524,46 +524,62 @@ _DEVICE = {
_wifi_check_interval_ms = 30000 _wifi_check_interval_ms = 30000
_last_wifi_check = 0 _last_wifi_check = 0
_wifi_sta = None _wifi_sta = None
_WIFI_CONNECT_ATTEMPTS = 3
def connect_wifi(ssid, password, timeout_s=15, force_reconnect=False): def _reset_wifi_interface():
global _wifi_sta global _wifi_sta
_wifi_sta = network.WLAN(network.STA_IF) _wifi_sta = network.WLAN(network.STA_IF)
if force_reconnect:
try: try:
_wifi_sta.disconnect() _wifi_sta.disconnect()
except Exception: except Exception:
pass pass
try: try:
_wifi_sta.active(False) _wifi_sta.active(False)
utime.sleep_ms(250) utime.sleep_ms(500)
except Exception: except Exception:
pass pass
_wifi_sta.active(True) _wifi_sta.active(True)
utime.sleep_ms(500)
def connect_wifi(ssid, password, timeout_s=15, force_reconnect=False):
global _wifi_sta
_wifi_sta = network.WLAN(network.STA_IF)
if _wifi_sta.isconnected() and not force_reconnect: if _wifi_sta.isconnected() and not force_reconnect:
ip, mask, gw, dns = _wifi_sta.ifconfig() ip, mask, gw, dns = _wifi_sta.ifconfig()
info("WiFi already connected") info("WiFi already connected")
info(f" IP:{ip} mask:{mask} gw:{gw} dns:{dns}") info(f" IP:{ip} mask:{mask} gw:{gw} dns:{dns}")
utime.sleep_ms(250) utime.sleep_ms(250)
return ip return ip
info(f"WiFi connecting to '{ssid}' ...")
last_error = None
for attempt in range(_WIFI_CONNECT_ATTEMPTS):
info(f"WiFi connecting to '{ssid}' (attempt {attempt + 1}/{_WIFI_CONNECT_ATTEMPTS}) ...")
_reset_wifi_interface()
try:
_wifi_sta.connect(ssid, password) _wifi_sta.connect(ssid, password)
deadline = utime.time() + timeout_s deadline = utime.time() + timeout_s
while not _wifi_sta.isconnected(): while not _wifi_sta.isconnected():
if utime.time() > deadline: if utime.time() > deadline:
log_err(f"WiFi connect timeout after {timeout_s}s")
raise OSError("WiFi connect timeout") raise OSError("WiFi connect timeout")
utime.sleep_ms(200) utime.sleep_ms(250)
ip, mask, gw, dns = _wifi_sta.ifconfig() ip, mask, gw, dns = _wifi_sta.ifconfig()
mac = ":".join(f"{b:02x}" for b in _wifi_sta.config("mac")) mac = ":".join(f"{b:02x}" for b in _wifi_sta.config("mac"))
info("WiFi connected!") info("WiFi connected!")
info(f" SSID : {ssid}") info(f" SSID : {ssid}")
info(f" MAC : {mac}") info(f" MAC : {mac}")
info(f" IP : {ip} mask:{mask} gw:{gw} dns:{dns}") info(f" IP : {ip} mask:{mask} gw:{gw} dns:{dns}")
utime.sleep_ms(250) utime.sleep_ms(500)
return ip return ip
except Exception as e:
last_error = e
log_err(f"WiFi connect attempt {attempt + 1} failed: {e}")
utime.sleep_ms(1000)
raise last_error
def check_wifi(): def check_wifi():
@@ -581,15 +597,7 @@ def check_wifi():
log_err("WiFi lost connection — attempting reconnect...") log_err("WiFi lost connection — attempting reconnect...")
try: try:
_wifi_sta.active(True) ip = connect_wifi(WIFI_SSID, WIFI_PASSWORD, timeout_s=15, force_reconnect=True)
_wifi_sta.connect(WIFI_SSID, WIFI_PASSWORD)
deadline = utime.time() + 15
while not _wifi_sta.isconnected():
if utime.time() > deadline:
log_err("WiFi reconnect timeout")
return
utime.sleep_ms(200)
ip, mask, gw, dns = _wifi_sta.ifconfig()
info(f"WiFi reconnected! IP:{ip}") info(f"WiFi reconnected! IP:{ip}")
except Exception as e: except Exception as e:
log_err(f"WiFi reconnect failed: {e}") log_err(f"WiFi reconnect failed: {e}")