add graphics_rgb565.c to linux target, fixed compilation errors

meson.build

@@ -60,7 +60,8 @@ dep = [sdl_dep, threads_dep]
 ## Platform specialization
 ##
 linux_src = src + ['tests/platform/x64_uC.c',
-                   'platform/drivers/display/display_libSDL.c']
+                   'platform/drivers/display/display_libSDL.c',
+                   'openrtx/src/graphics/graphics_rgb565.c']
 linux_def = def + {'SCREEN_WIDTH': 160, 'SCREEN_HEIGHT': 128}
 
 ##

openrtx/include/interfaces/graphics.h

@@ -149,6 +149,6 @@ void graphics_drawLine(point_t start, point_t end, color_t color);
  * @param color: border and fill color, in color_t format.
  * @param fill: if true the rectangle will be solid, otherwise it will have a 1-pixel border
  */
-void graphics_drawRect(uint16_t width, uint16_t height, color_t color, bool fill);
+void graphics_drawRect(point_t start, uint16_t width, uint16_t height, color_t color, bool fill);
 
 #endif /* GRAPHICS_H */

openrtx/src/graphics/graphics_rgb565.c

@@ -26,10 +26,10 @@
 
 typedef struct rgb565_t
 { 
-    uint16_t r : 5
-    uint16_t g : 6
-    uint16_t b : 5
-} rgb565_t
+    uint16_t r : 5;
+    uint16_t g : 6;
+    uint16_t b : 5;
+} rgb565_t;
 
 bool initialized = 0;
 uint16_t screen_width = 0;
@@ -129,7 +129,7 @@ void graphics_drawRect(point_t start, uint16_t width, uint16_t height, color_t c
 	x_max = screen_width - 1;
     uint16_t y_max = start.y + height;
     if(y_max > (screen_heigth - 1))
-	y_max = screen_height - 1;
+	y_max = screen_heigth - 1;
     for(int y=start.y; y < y_max; y++)
     {
 	for(int x=start.x; x < x_max; x++)