Improved low battery screen rendering on smaller screens

openrtx/src/main.c

@@ -38,25 +38,7 @@ void check_battery() {
 
     // Draw low battery screen
     if (charge <= 0) {
-        gfx_clearScreen();
+        ui_drawLowBatteryScreen();
-        uint16_t bat_width = SCREEN_WIDTH / 2;
-        uint16_t bat_height = SCREEN_HEIGHT / 3;
-        point_t bat_pos = {SCREEN_WIDTH / 4, SCREEN_HEIGHT / 6};
-        gfx_drawBattery(bat_pos, bat_width, bat_height, 0.1f);
-        point_t text_pos_1 = {0, SCREEN_HEIGHT * 3 / 4};
-        point_t text_pos_2 = {0, SCREEN_HEIGHT * 3 / 4 + 16};
-        const color_t color_white = {255, 255, 255};
-
-        gfx_print(text_pos_1,
-                  "For emergency operation",
-                  FONT_SIZE_6PT,
-                  TEXT_ALIGN_CENTER,
-                  color_white);
-        gfx_print(text_pos_2,
-                  "press any button.",
-                  FONT_SIZE_6PT,
-                  TEXT_ALIGN_CENTER,
-                  color_white);
         gfx_render();
 
         // Wait 5 seconds

openrtx/src/ui.c

@@ -354,6 +354,29 @@ void ui_drawSplashScreen()
     #endif
 }
 
+void ui_drawLowBatteryScreen()
+{
+    gfx_clearScreen();
+    uint16_t bat_width = SCREEN_WIDTH / 2;
+    uint16_t bat_height = SCREEN_HEIGHT / 3;
+    point_t bat_pos = {SCREEN_WIDTH / 4, SCREEN_HEIGHT / 8};
+    gfx_drawBattery(bat_pos, bat_width, bat_height, 0.1f);
+    point_t text_pos_1 = {0, SCREEN_HEIGHT * 2 / 3};
+    point_t text_pos_2 = {0, SCREEN_HEIGHT * 2 / 3 + 16};
+    const color_t color_white = {255, 255, 255};
+
+    gfx_print(text_pos_1,
+              "For emergency use",
+              FONT_SIZE_6PT,
+              TEXT_ALIGN_CENTER,
+              color_white);
+    gfx_print(text_pos_2,
+              "press any button.",
+              FONT_SIZE_6PT,
+              TEXT_ALIGN_CENTER,
+              color_white);
+}
+
 void ui_updateFSM(event_t event)
 {
     // Process pressed keys