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Reconnect when WiFi lacks a valid IP address

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Correl Roush 2023-07-07 22:29:34 -04:00
parent b5b9b492f2
commit db97b8eb69
1 changed files with 15 additions and 6 deletions
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21
main.py
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@ -20,6 +20,7 @@ VOLUME_MAX = const(128)
MQTT_KEEPALIVE = const(60) MQTT_KEEPALIVE = const(60)
MQTT_UPDATE_INTERVAL = const(60) MQTT_UPDATE_INTERVAL = const(60)
MQTT_RECONNECT_INTERVAL = const(60)
channels = ["LINE 1", "LINE 2", "LINE 3", "PHONO"] channels = ["LINE 1", "LINE 2", "LINE 3", "PHONO"]
state = StateTree( state = StateTree(
@ -72,6 +73,7 @@ mqtt = None
mqtt_client_id = ubinascii.hexlify(machine.unique_id()) mqtt_client_id = ubinascii.hexlify(machine.unique_id())
mqtt_broker = settings["mqtt"]["broker"] mqtt_broker = settings["mqtt"]["broker"]
mqtt_prefix = settings["mqtt"]["prefix"] mqtt_prefix = settings["mqtt"]["prefix"]
last_mqtt_attempt = 0
def mqtt_init(): def mqtt_init():
@ -212,7 +214,8 @@ def on_message(topic, msg):
def loop(): def loop():
global mqtt, state, last_update, rotary, rotary_button, rotary_value global mqtt, state, last_update, last_mqtt_attempt
global rotary, rotary_button, rotary_value
rotary_button.update() rotary_button.update()
if rotary_button.was_clicked(): if rotary_button.was_clicked():
@ -250,17 +253,23 @@ def loop():
if sta_if.active() and not sta_if.isconnected(): if sta_if.active() and not sta_if.isconnected():
state["network"] = "ACT" state["network"] = "ACT"
if sta_if.isconnected(): if sta_if.isconnected():
if state["network"] != "OK": ip, _, _, _ = sta_if.ifconfig()
ip, _, _, _ = sta_if.ifconfig() if ip == "0.0.0.0":
# Something went wrong, try to reconnect
print("IP invalid, retrying WiFi connection")
state["network"] = "ACT"
sta_if.active(True)
sta_if.connect(settings["wifi"]["ssid"], settings["wifi"]["password"])
elif state["network"] != "OK":
print(f"WIFI Connected to {sta_if.config('ssid')}") print(f"WIFI Connected to {sta_if.config('ssid')}")
print(f"IP Address: {ip}") print(f"IP Address: {ip}")
state["network"] = "OK" state["network"] = "OK"
if mqtt is None: if not mqtt and utime.time() - last_mqtt_attempt >= MQTT_RECONNECT_INTERVAL:
last_mqtt_attempt = utime.time()
try: try:
mqtt = mqtt_init() mqtt = mqtt_init()
except OSError as e: except OSError as e:
print(f"Failed to connect to MQTT: {e}") print(f"Failed to connect to MQTT ({mqtt_broker}): {e}")
mqtt = False
if mqtt: if mqtt:
if state.changed or utime.time() - last_update >= MQTT_UPDATE_INTERVAL: if state.changed or utime.time() - last_update >= MQTT_UPDATE_INTERVAL:
topic = f"{mqtt_prefix}/state".encode() topic = f"{mqtt_prefix}/state".encode()