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Implement Wifi reconnect watchdog

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Sometimes the ESP does not trigger the ARDUINO_EVENT_WIFI_STA_DISCONNECTED when a disconnect occours. In this case, no further reconnect attempt is done. To take care of this behavior, the wifi hardware is reset when no connect occours within 60 seconds..
This commit is contained in:
Thomas Basler
2025-04-15 22:26:17 +02:00
parent ec614b3132
commit 39b8d3f43f
2 changed files with 27 additions and 7 deletions
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30
src/NetworkSettings.cpp
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@@ -101,6 +101,7 @@ void NetworkSettingsClass::NetworkEvent(const WiFiEvent_t event, WiFiEventInfo_t
MessageOutput.printf("WiFi disconnected: %" PRIu8 "\r\n", info.wifi_sta_disconnected.reason);
if (_networkMode == network_mode::WiFi) {
MessageOutput.printf("Try reconnecting\r\n");
_lastReconnectAttempt = millis();
WiFi.disconnect(true, false);
WiFi.begin();
raiseEvent(network_event::NETWORK_DISCONNECTED);
@@ -213,6 +214,12 @@ void NetworkSettingsClass::disableAdminMode()
setupMode();
}
bool NetworkSettingsClass::wifiConfigured() const
{
// Check if SSID is empty
return strcmp(Configuration.get().WiFi.Ssid, "");
}
String NetworkSettingsClass::getApName() const
{
return String(ACCESS_POINT_NAME + String(Utils::getChipId()));
@@ -244,6 +251,18 @@ void NetworkSettingsClass::loop()
MessageOutput.printf("Admin AP remaining seconds: %" PRIu32 " / %" PRIu32 "\r\n", _adminTimeoutCounter, _adminTimeoutCounterMax);
}
}
if (_performConnection && !isConnected() && wifiConfigured() && millis() - _lastReconnectAttempt > 60000) {
MessageOutput.printf("Wifi reconnect watchdog triggered... Resetting Wifi hardware\r\n");
WiFi.disconnect(true, false);
WiFi.mode(WIFI_MODE_NULL);
if (_adminEnabled) {
// Call enableAdminMode to reset all the timeout values.
// Otherwise the search for AP gets disabled immediatly after wifi reset.
enableAdminMode();
}
applyConfig();
_lastReconnectAttempt = millis(); // Just in case if the reconnect method gets not triggered
}
_connectTimeoutTimer++;
_connectRedoTimer++;
_lastTimerCall = millis();
@@ -265,18 +284,18 @@ void NetworkSettingsClass::loop()
_connectTimeoutTimer = 0;
_connectRedoTimer = 0;
} else {
if (_connectTimeoutTimer > WIFI_RECONNECT_TIMEOUT && !_forceDisconnection) {
if (_connectTimeoutTimer > WIFI_RECONNECT_TIMEOUT && _performConnection) {
MessageOutput.printf("Disabling search for AP...\r\n");
WiFi.mode(WIFI_AP);
_connectRedoTimer = 0;
_forceDisconnection = true;
_performConnection = false;
}
if (_connectRedoTimer > WIFI_RECONNECT_REDO_TIMEOUT && _forceDisconnection) {
if (_connectRedoTimer > WIFI_RECONNECT_REDO_TIMEOUT && !_performConnection) {
MessageOutput.printf("Enable search for AP...\r\n");
WiFi.mode(WIFI_AP_STA);
applyConfig();
_connectTimeoutTimer = 0;
_forceDisconnection = false;
_performConnection = true;
}
}
}
@@ -293,8 +312,7 @@ void NetworkSettingsClass::applyConfig()
const auto& config = Configuration.get().WiFi;
// Check if SSID is empty
if (!strcmp(config.Ssid, "")) {
if (!wifiConfigured()) {
return;
}