enable oled.

environments.ini

@@ -1041,12 +1041,13 @@ build_flags =
   '-DZgatewayRTL_433="rtl_433"'
   '-DZradioSX127x="SX127x"'
 ; *** ssd1306 Display Options ***
-;  '-DZdisplaySSD1306="HELTEC_SSD1306"'
+  '-DZdisplaySSD1306="HELTEC_SSD1306"'
 ;  '-DLOG_TO_OLED=false'         ; Enable log to OLED
 ;  '-DJSON_TO_OLED=true'
 ;  '-DLOG_LEVEL_OLED=LOG_LEVEL_NOTICE'
-;  '-DDISPLAY_IDLE_LOGO=true'
-;  '-DDISPLAY_BRIGHTNESS=20'
+  '-DJSON_TO_OLED=true'
+  '-DDISPLAY_IDLE_LOGO=true'
+  '-DDISPLAY_BRIGHTNESS=20'
 ;  '-DDISPLAY_METRIC=false'
 custom_description = Gateway using RTL_433_ESP and RadioLib
 custom_hardware = ESP32 HELTEC LORA32 V2