ArduinoRGB 颜⾊渐变代码
这段代码来⾃
在嵌⼊式空间紧张的情况下，如果使⽤HSV颜⾊转换为RGB，会引⼊数学库的⼀些函数，导致固件会明显增⼤。所以直接使⽤RGB控制颜⾊会明显减⼩固件体积。const  int  redPin = 11;const  int  greenPin = 10;const  int  bluePin = 9;void  setup () { // Start off with the LED off. setColourRgb (0,0,0);}void  loop () { unsigned  int  rgbColour [3]; // Start off with red. rgbColour [0] = 255; rgbColour [1] = 0; rgbColour [2] = 0;  // Choose the colours to increment and decrement. for  (int  decColour = 0; decColour < 3; decColour += 1) {  int  incColour = decColour == 2 ? 0 : decColour + 1;  // cross-fade the two colours.  for (int  i = 0; i < 255; i += 1) {    rgbColour [decColour ] -= 1;    rgbColour [incColour ] += 1;    setColourRgb (rgbColour [0], rgbColour [1], rgbColour [2]);    delay (5);  } }}void  setColourRgb (unsigned  int  red , unsigned  int  green , unsigned  int  blue ) { analogWrite (redPin , red ); analogWrite (greenPin , green ); analogWrite (bluePin , blue );}
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