1  #pragma once
 2  
 3  #include <stdint.h>
 4  
 5  struct Color {
 6      uint8_t r, g, b;
 7  };
 8  
 9  namespace colors {
10      constexpr Color Black       = {0, 0, 0};
11      constexpr Color Red         = {255, 0, 0};
12      constexpr Color Green       = {0, 128, 0};
13      constexpr Color Blue        = {0, 0, 255};
14      constexpr Color Yellow      = {255, 255, 0};
15      constexpr Color Cyan        = {0, 255, 255};
16      constexpr Color Magenta     = {255, 0, 255};
17      constexpr Color White       = {255, 255, 255};
18      constexpr Color Gold        = {255, 215, 0};
19      constexpr Color DarkOrange  = {255, 140, 0};
20      constexpr Color BlueViolet  = {138, 43, 226};
21  }
22  
23  class Led {
24  public:
25      bool init();
26      void set(const Color &color);
27      void set(uint8_t r, uint8_t g, uint8_t b);
28      void setHSV(uint8_t hue, uint8_t saturation, uint8_t value);
29      void off();
30      void fadeIn(const Color &color, uint32_t duration_ms);
31      void fadeOut(const Color &color, uint32_t duration_ms);
32      void glow(uint32_t duration_ms);
33  
34      void setBrightness(uint8_t b);
35      uint8_t getBrightness();
36      Color getColor();
37  };
38  
39  extern Led LED;
40  
41  #ifdef PIO_UNIT_TESTING
42  namespace programs::led { void test(); }
43  #endif