Display: Set default contrast at boot. Improve default contrast for GD-77

openrtx/include/settings.h

@@ -37,7 +37,7 @@ static const settings_t default_settings =
 {
     "OPNRTX",  // Settings valid string
     255,       // Brightness
-    60,        // Contrast
+    71,        // Contrast
     0,         // UTC Timezone
     false,     // GPS enabled
     true       // GPS set time

openrtx/src/main.c

@@ -33,8 +33,10 @@ int main(void)
     // Initialize platform drivers
     platform_init();
 
-    // Initialize graphics driver
+    // Initialize display and graphics driver
     gfx_init();
+    // Set default contrast
+    display_setContrast(default_settings.contrast);
 
     // Initialize user interface
     ui_init();