added RGB and HSV setColor

Atm_fade_WS2812.cpp

@@ -210,6 +210,16 @@ Atm_fade_WS2812& Atm_fade_WS2812::onFinish( atm_cb_push_t callback, int idx /* =
   return *this;
 }
 
+Atm_fade_WS2812& Atm_fade_WS2812::setColor(CHSV hsvColor) {
+	this->color = hsvColor ;
+	return *this;
+}
+
+Atm_fade_WS2812& Atm_fade_WS2812::setColor(CRGB rgbColor) {
+	this->color = rgb2hsv_approximate(rgbColor) ;
+	return *this;
+}
+
 Atm_fade_WS2812& Atm_fade_WS2812::setColor(int hue, int sat, int val) {
 	this->color.hue = hue ;
 	this->color.sat = sat ;
@@ -279,9 +289,9 @@ void Atm_fade_WS2812::update_leds(float fade_value){
         CRGB temp_led_RGB ;
         if(this->state() == DOWN || this->state() == ODOWN) {
           temp_led_RGB = leds_buffer[led]-CRGB(temp_led[led]);
-          leds[current_led].r = 	qsub8 (leds[current_led].r, temp_led_RGB.r);
-          leds[current_led].g = 	qsub8 (leds[current_led].g, temp_led_RGB.g);
-          leds[current_led].b = 	qsub8 (leds[current_led].b, temp_led_RGB.b);
+          leds[current_led].r = 	qsub8 (leds[current_led].r, temp_led_RGB.r+1);
+          leds[current_led].g = 	qsub8 (leds[current_led].g, temp_led_RGB.g+1);
+          leds[current_led].b = 	qsub8 (leds[current_led].b, temp_led_RGB.b+1);
         }
         else{
           temp_led_RGB = CRGB(temp_led[led]) - leds_buffer[led];

Atm_fade_WS2812.hpp

@@ -34,6 +34,8 @@ class Atm_fade_WS2812 : public Machine {
   Atm_fade_WS2812& onFinish( atm_cb_push_t callback, int idx = 0 );
 
   Atm_fade_WS2812& setColor(int hue, int sat, int val);
+  Atm_fade_WS2812& setColor(CHSV hsvColor);
+  Atm_fade_WS2812& setColor(CRGB rgbColor);
   Atm_fade_WS2812& replaceValues(bool replace); // if true replace the array, else just add values
   Atm_fade_WS2812& updateRate(int new_update_rate); // change update rate
   Atm_fade_WS2812& update();