#include and use LV_MATH_ABS

src/lv_misc/lv_color.c

@@ -7,6 +7,7 @@
  *      INCLUDES
  *********************/
 #include "lv_color.h"
+#include "lv_math.h"
 
 /*********************
  *      DEFINES
@@ -126,7 +127,7 @@ lv_color_hsv_t lv_color_rgb_to_hsv(uint8_t r8, uint8_t g8, uint8_t b8)
     hsv.v = (100 * rgbMax) >> 10;
 
     int32_t delta = rgbMax - rgbMin;
-    if (abs(delta) < 3) {
+    if (LV_MATH_ABS(delta) < 3) {
         hsv.h = 0;
         hsv.s = 0;
         return hsv;