Test #2 for anoteher HSV2RGB.

Src/clock.c

@@ -35,7 +35,7 @@ static void IN15_FadeIn(void);
 static void IN15_FadeOut(void);
 static void valIncrease(uint8_t * val, uint8_t max);
 static void valDecrease(uint8_t * val, uint8_t max);
-static void HSV2LED(const uint8_t hue, const uint8_t sat, const uint8_t val);
+static void HSV2LED(const int hue, const uint8_t sat, const uint8_t val);
 
 /* funcions */
 void Clock_Init(void) {
@@ -305,10 +305,70 @@ static void IN15_FadeOut(void) {
 
 /**
  * @brief  HSV to RGB convertion
- * @param  hue: 0-(6*256)-1 /59/, sat: 0-255, val (lightness): 0-255
+ * @param  hue: 0-59, sat: 0-255, val (lightness): 0-255
  * @return none. RGB value output direct to LED.
  */
-static void HSV2LED(const uint8_t hue, const uint8_t sat, const uint8_t val) {
+#define HUE_DEGREE    60
+static void HSV2LED(const int hue, const uint8_t sat, const uint8_t val) {
+  uint8_t r, g, b;
+
+  int h = hue;
+  int s = sat;
+  int v = val;
+  int i = h / (60 * HUE_DEGREE);
+  int p = (256 * v - s * v) / 256;
+
+  if (i & 1)
+  {
+    int q = (256 * 60 * HUE_DEGREE * v - h * s * v + 60 * HUE_DEGREE * s * v * i) / (256 * 60 * HUE_DEGREE);
+    switch (i)
+    {
+    case 1:
+      r = q;
+      g = v;
+      b = p;
+      break;
+    case 3:
+      r = p;
+      g = q;
+      b = v;
+      break;
+    case 5:
+      r = v;
+      g = p;
+      b = q;
+      break;
+    }
+  }
+  else
+  {
+    int t = (256 * 60 * HUE_DEGREE * v + h * s * v - 60 * HUE_DEGREE * s * v * (i + 1)) / (256 * 60 * HUE_DEGREE);
+    switch (i)
+    {
+    case 0:
+      r = v;
+      g = t;
+      b = p;
+      break;
+    case 2:
+      r = p;
+      g = v;
+      b = t;
+      break;
+    case 4:
+      r = t;
+      g = p;
+      b = v;
+      break;
+    }
+  }
+
+  COLOR_R(r);
+  COLOR_G(g);
+  COLOR_B(b);
+}
+
+static void old_HSV2LED(const uint8_t hue, const uint8_t sat, const uint8_t val) {
   int base;
   uint32_t r=0, g=0, b=0;