set y_offset globally

src/main.cpp

@@ -44,6 +44,8 @@ static const char* TAG = "MAIN";
 
 WiFiMulti wifiMulti;
 GxEPD2_BW<GxEPD2_213_B72, GxEPD2_213_B72::HEIGHT> display(GxEPD2_213_B72(/*CS=SS*/ TFT_CS, /*DC=*/ TFT_DC, /*RST=*/ TFT_RST, /*BUSY=*/ -1)); // GDEH0213B72
+static constexpr uint8_t y_offset = 8;
+
 Adafruit_BME280 bme280; // I2C (also available: hardware SPI
 Adafruit_BME680 bme680; // I2C (also available: hardware SPI
 //HardwareSerial Serial2(2);
@@ -223,7 +225,6 @@ void receiveMqtt(const char* topic, const char* data) {
 
 
 void displayValues() {
-  static constexpr uint8_t y_offset = 8;
   display.setRotation(1);
   display.setFont(NULL);
   display.setTextColor(GxEPD_BLACK);
@@ -610,7 +611,7 @@ void setup()
     Serial.println("WiFi connected");
     Serial.println("IP address: ");
     Serial.println(WiFi.localIP());
-    displayIcoPartial(ico_wifi16, display.width()-20, 0, ico_wifi16_width, ico_wifi16_height);
+    displayIcoPartial(ico_wifi16, display.width()-20, y_offset+0, ico_wifi16_width, ico_wifi16_height);
   }
 
   ESP_LOGD(TAG, "trying to fetch over-the-air update");