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fix: add timeout for WiFi disconnection handling #81

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Merged
techniccontroller merged 1 commit into from
Apr 26, 2026
Merged

fix: add timeout for WiFi disconnection handling #81

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23 changes: 18 additions & 5 deletions wordclock_esp8266.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,7 @@
#define PERIOD_SNAKE 50
#define PERIOD_PONG 10
#define TIMEOUT_LEDDIRECT 5000
#define TIMEOUT_WIFI_DISCONNECTED 30000
#define PERIOD_STATECHANGE 10000
#define PERIOD_NTPUPDATE 30000
#define PERIOD_TIMEVISUUPDATE 1000
Expand Down Expand Up @@ -189,6 +190,7 @@ long lastNTPUpdate = millis() - (PERIOD_NTPUPDATE-3000); // time of last NTP up
long lastAnimationStep = millis(); // time of last Matrix update
long lastNightmodeCheck = millis() - (PERIOD_NIGHTMODECHECK-3000); // time of last nightmode check
long buttonPressStart = 0; // time of push button press start
long wifiDisconnectedSince = 0; // time since WiFi connection was lost (0 = connected)
uint16_t behaviorUpdatePeriod = PERIOD_TIMEVISUUPDATE; // holdes the period in which the behavior should be updated

// Create necessary global objects
Expand Down Expand Up @@ -456,11 +458,22 @@ void loop() {
lastheartbeat = millis();

// Check wifi status (only if no apmode)
if(!apmode && WiFi.status() != WL_CONNECTED){
Serial.println("connection lost");
ledmatrix.gridAddPixel(0, 5, colors24bit[1]);
ledmatrix.drawOnMatrixInstant();
delay(1000);
if(!apmode){
if(WiFi.status() != WL_CONNECTED){
if(wifiDisconnectedSince == 0){
wifiDisconnectedSince = millis();
Serial.println("connection lost");
}

if(millis() - wifiDisconnectedSince >= TIMEOUT_WIFI_DISCONNECTED){
ledmatrix.gridAddPixel(0, 5, colors24bit[1]);
ledmatrix.drawOnMatrixInstant();
delay(1000);
}
}
else {
wifiDisconnectedSince = 0;
}
}
}

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