* build fixes for NullDisplayDriver

variants/wio-e5-mini/NullDisplayDriver.h

@@ -1,24 +0,0 @@
-#pragma once
-
-#include <helpers/ui/DisplayDriver.h>
-
-class NullDisplayDriver : public DisplayDriver {
-public:
-  NullDisplayDriver() : DisplayDriver(128, 64) { }
-  bool begin() { return false; }   // not present
-
-  bool isOn() override { return false; }
-  void turnOn() override { }
-  void turnOff() override { }
-  void clear() override { }
-  void startFrame(Color bkg = DARK) override { }
-  void setTextSize(int sz) override { }
-  void setColor(Color c) override { }
-  void setCursor(int x, int y) override { }
-  void print(const char* str) override { }
-  void fillRect(int x, int y, int w, int h) override { }
-  void drawRect(int x, int y, int w, int h) override { }
-  void drawXbm(int x, int y, const uint8_t* bits, int w, int h) override { }
-  uint16_t getTextWidth(const char* str) override { return 0; }
-  void endFrame() { }
-};

variants/wio-e5-mini/platformio.ini

@@ -45,6 +45,7 @@ build_flags = ${lora_e5_mini.build_flags}
   -D MAX_GROUP_CHANNELS=8
   -D DISPLAY_CLASS=NullDisplayDriver
 build_src_filter = ${lora_e5_mini.build_src_filter}
+  +<helpers/ui/NullDisplayDriver.cpp>
   +<../examples/companion_radio/*.cpp>
   +<../examples/companion_radio/ui-orig/*.cpp>
 lib_deps = ${lora_e5_mini.lib_deps}

variants/wio-e5-mini/target.h

@@ -8,7 +8,7 @@
 #include <helpers/ArduinoHelpers.h>
 #include <helpers/SensorManager.h>
 #ifdef DISPLAY_CLASS
-  #include "NullDisplayDriver.h"
+  #include <helpers/ui/NullDisplayDriver.h>
 #endif
 
 #include <BME280I2C.h>