Updated MAC printout

Author: BobSaidHi

lib/LoadComms/LoadComms.cpp

@@ -52,8 +52,14 @@ bool LoadComms::begin() {
 
     etl::array<uint8_t, 6> MACAddress = {0};
     esp_err_t opStatus = esp_wifi_get_mac(WIFI_IF_STA, MACAddress.data());
-    ESP_LOGI(TAG, "Device MAC: %02X:%02X:%02X:%02X:%02X:%02X", MACAddress[0],
-      MACAddress[1], MACAddress[2], MACAddress[3], MACAddress[4], MACAddress[5]);
+    if(opStatus != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to get MAC address: %d", opStatus);
+        return false;
+    } else {
+        ESP_LOGI(TAG, "Device MAC: %02X:%02X:%02X:%02X:%02X:%02X",
+               MACAddress[0], MACAddress[1], MACAddress[2],
+               MACAddress[3], MACAddress[4], MACAddress[5]);
+    }
 
 
     if (!WiFi.STA.bandwidth(WIFI_BW_HT20)) {