* big refactor of the 'display' object. Now defined in variants/*/target modules.

variants/thinknode_m1/platformio.ini

@@ -70,7 +70,6 @@ build_flags =
   -D BLE_DEBUG_LOGGING=1
   -D DISPLAY_ROTATION=4
   -D DISPLAY_CLASS=GxEPDDisplay
-  -D HAS_GxEPD
   -D OFFLINE_QUEUE_SIZE=256
 ;  -D ENABLE_PRIVATE_KEY_IMPORT=1
 ;  -D ENABLE_PRIVATE_KEY_EXPORT=1

variants/thinknode_m1/target.cpp

@@ -12,6 +12,10 @@ VolatileRTCClock fallback_clock;
 AutoDiscoverRTCClock rtc_clock(fallback_clock);
 SensorManager sensors;
 
+#ifdef DISPLAY_CLASS
+  DISPLAY_CLASS display;
+#endif
+
 #ifndef LORA_CR
   #define LORA_CR      5
 #endif

variants/thinknode_m1/target.h

@@ -7,12 +7,19 @@
 #include <helpers/CustomSX1262Wrapper.h>
 #include <helpers/AutoDiscoverRTCClock.h>
 #include <helpers/SensorManager.h>
+#ifdef DISPLAY_CLASS
+  #include <helpers/ui/GxEPDDisplay.h>
+#endif
 
 extern ThinkNodeM1Board board;
 extern WRAPPER_CLASS radio_driver;
 extern AutoDiscoverRTCClock rtc_clock;
 extern SensorManager sensors;
 
+#ifdef DISPLAY_CLASS
+  extern DISPLAY_CLASS display;
+#endif
+
 bool radio_init();
 uint32_t radio_get_rng_seed();
 void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);