[OLED] Specifying the language by defining it in `platformio.ini`

src/graphics/Screen.cpp

@@ -42,7 +42,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "mesh/http/WiFiAPClient.h"
 #endif
 
+#ifdef OLED_RU
 #include "fonts/OLEDDisplayFontsRU.h"
+#endif
 
 using namespace meshtastic; /** @todo remove */
 
@@ -94,7 +96,11 @@ static uint16_t displayWidth, displayHeight;
 #define FONT_MEDIUM ArialMT_Plain_24
 #define FONT_LARGE ArialMT_Plain_24
 #else
+#ifdef OLED_RU
 #define FONT_SMALL ArialMT_Plain_10_RU
+#else
+#define FONT_SMALL ArialMT_Plain_10
+#endif
 #define FONT_MEDIUM ArialMT_Plain_16
 #define FONT_LARGE ArialMT_Plain_24
 #endif

variants/diy/platformio.ini

@@ -6,6 +6,7 @@ build_flags =
   ${esp32_base.build_flags}
   -D DIY_V1
   -D EBYTE_E22
+  -D OLED_RU
   -I variants/diy/v1
 
 ; Meshtastic DIY v1.1 new schematic based on ESP32-WROOM-32 & SX1262/SX1268 modules
@@ -16,6 +17,7 @@ build_flags =
   ${esp32_base.build_flags}
   -D DIY_V1
   -D EBYTE_E22
+  -D OLED_RU
   -I variants/diy/v1_1
 
 ; Port to Disaster Radio's ESP32-v3 Dev Board