3djc/add lcd.rgb (#3494)

Add docs for lcd.setColor and lcd.RGB

radio/src/lua/api_lcd.cpp

@@ -561,6 +561,54 @@ static int luaLcdDrawCombobox(lua_State *L)
 #endif
 
 #if defined(COLORLCD)
+/*luadoc
+@function lcd.setColor(area, color)
+
+Set a color for specific area
+
+@param area (unsigned number) specific screen area in the list bellow
+ * `CUSTOM_COLOR`
+ * `TEXT_COLOR`
+ * `TEXT_BGCOLOR`
+ * `TEXT_INVERTED_COLOR`
+ * `TEXT_INVERTED_BGCOLOR`
+ * `LINE_COLOR`
+ * `SCROLLBOX_COLOR`
+ * `MENU_TITLE_BGCOLOR`
+ * `MENU_TITLE_COLOR`
+ * `MENU_TITLE_DISABLE_COLOR`
+ * `HEADER_COLOR`
+ * `ALARM_COLOR`
+ * `WARNING_COLOR`
+ * `TEXT_DISABLE_COLOR`
+ * `HEADER_COLOR`
+ * `CURVE_AXIS_COLOR`
+ * `CURVE_CURSOR_COLOR`
+ * `TITLE_BGCOLOR`
+ * `TRIM_BGCOLOR`
+ * `TRIM_SHADOW_COLOR`
+ * `MAINVIEW_PANES_COLOR`
+ * `MAINVIEW_GRAPHICS_COLOR`
+ * `HEADER_BGCOLOR`
+ * `HEADER_ICON_BGCOLOR`
+ * `HEADER_CURRENT_BGCOLOR`
+ * `OVERLAY_COLOR`
+
+@param color (number) color in 5/6/5 rgb format. The following prefined colors are available
+ * `WHITE`
+ * `GREY`
+ * `LIGHTGREY`
+ * `DARKGREY`
+ * `BLACK`
+ * `YELLOW`
+ * `BLUE`
+ * `RED`
+ * `DARKRED`
+
+@notice Only available on Horus
+
+@status current Introduced in 2.2.0
+*/
 static int luaLcdSetColor(lua_State *L)
 {
   if (!luaLcdAllowed) return 0;
@@ -570,6 +618,21 @@ static int luaLcdSetColor(lua_State *L)
   return 0;
 }
 
+/*luadoc
+@function lcd.RGB(r, g, b)
+
+Returns a 5/6/5 rgb color code, that can be used with lcd.setColor
+
+@param r (integer) a number between 0x00 and 0xff that expresses te amount of red in the color
+
+@param g (integer) a number between 0x00 and 0xff that expresses te amount of green in the color
+
+@param b (integer) a number between 0x00 and 0xff that expresses te amount of blue in the color
+
+@retval number (integer) rgb color expressed in 5/6/5 format
+
+@status current Introduced in 2.2.0
+*/
 static int luaRGB(lua_State *L)
 {
   if (!luaLcdAllowed) return 0;