From 7d42a9e8d901355c92a5007f784eed26b807a199 Mon Sep 17 00:00:00 2001
From: "Adrian A. Baumann" <ade@adebaumann.com>
Date: Sun, 12 Apr 2026 20:56:22 +0200
Subject: [PATCH] WS2812 troubleshooting

---
 gaugemqttcontinuous.py | 57 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/gaugemqttcontinuous.py b/gaugemqttcontinuous.py
index 6fc13b1..eabc47b 100644
--- a/gaugemqttcontinuous.py
+++ b/gaugemqttcontinuous.py
@@ -276,6 +276,63 @@ print("DEBUG: setting _wifi_sta...")
 _wifi_sta = None
 print("DEBUG: wifi globals set")
 
+print("DEBUG: defining connect_wifi function...")
+def connect_wifi(ssid, password, timeout_s=15):
+    global _wifi_sta
+    _wifi_sta = network.WLAN(network.STA_IF)
+    _wifi_sta.active(True)
+    if _wifi_sta.isconnected():
+        ip, mask, gw, dns = _wifi_sta.ifconfig()
+        info("WiFi already connected")
+        info(f"  IP:{ip}  mask:{mask}  gw:{gw}  dns:{dns}")
+        return ip
+    info(f"WiFi connecting to '{ssid}' ...")
+    _wifi_sta.connect(ssid, password)
+    deadline = utime.time() + timeout_s
+    while not _wifi_sta.isconnected():
+        if utime.time() > deadline:
+            log_err(f"WiFi connect timeout after {timeout_s}s")
+            raise OSError("WiFi connect timeout")
+        utime.sleep_ms(200)
+    ip, mask, gw, dns = _wifi_sta.ifconfig()
+    mac = ":".join(f"{b:02x}" for b in _wifi_sta.config("mac"))
+    info("WiFi connected!")
+    info(f"  SSID    : {ssid}")
+    info(f"  MAC     : {mac}")
+    info(f"  IP      : {ip}  mask:{mask}  gw:{gw}  dns:{dns}")
+    return ip
+
+
+def check_wifi():
+    global _wifi_sta, _last_wifi_check, _wifi_reconnect_delay_s
+    now = utime.ticks_ms()
+    if utime.ticks_diff(now, _last_wifi_check) < _wifi_check_interval_ms:
+        return
+    _last_wifi_check = now
+
+    if _wifi_sta is None:
+        _wifi_sta = network.WLAN(network.STA_IF)
+
+    if _wifi_sta.isconnected():
+        return
+
+    log_err("WiFi lost connection — attempting reconnect...")
+    try:
+        _wifi_sta.active(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}")
+    except Exception as e:
+        log_err(f"WiFi reconnect failed: {e}")
+
+print("DEBUG: WiFi functions defined")
+
 print("DEBUG: about to init LED pins")
 print("DEBUG: computing len(gauges)...")
 num_gauges = len(gauges)