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check if WiFi label was instantiated before using it

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This commit is contained in:
KlausMu 2024-01-28 22:17:30 +01:00
parent f815fe4937
commit 3265eef33b
2 changed files with 4 additions and 4 deletions
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2
Platformio/src/gui_general_and_keys/guiBase.cpp
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@ -6,7 +6,7 @@
lv_obj_t* panel;
lv_color_t color_primary = lv_color_hex(0x303030); // gray
lv_obj_t* WifiLabel;
lv_obj_t* WifiLabel = NULL;
lv_obj_t* BluetoothLabel;
lv_obj_t* objBattPercentage;
lv_obj_t* objBattIcon;

6
Platformio/src/hardware/mqtt.cpp
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@ -21,10 +21,10 @@ void WiFiEvent(WiFiEvent_t event){
// Set status bar icon based on WiFi status
if (event == ARDUINO_EVENT_WIFI_STA_GOT_IP || event == ARDUINO_EVENT_WIFI_STA_GOT_IP6) {
lv_label_set_text(WifiLabel, LV_SYMBOL_WIFI);
if (WifiLabel != NULL) {lv_label_set_text(WifiLabel, LV_SYMBOL_WIFI);}
} else if (event == ARDUINO_EVENT_WIFI_STA_DISCONNECTED) {
lv_label_set_text(WifiLabel, "");
if (WifiLabel != NULL) {lv_label_set_text(WifiLabel, "");}
// automatically try to reconnect
Serial.printf("WiFi got disconnected. Will try to reconnect.\r\n");
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
@ -32,7 +32,7 @@ void WiFiEvent(WiFiEvent_t event){
} else {
// e.g. ARDUINO_EVENT_WIFI_STA_CONNECTED or many others
// connected is not enough, will wait for IP
lv_label_set_text(WifiLabel, "");
if (WifiLabel != NULL) {lv_label_set_text(WifiLabel, "");}
}
}