channel_colors.h

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#pragma once
 
#include <cstdint>
 
namespace esphome::light {
 
struct ChannelColors {
  static constexpr uint8_t NO_WHITE = 0xFF;
 
  uint8_t r;
  uint8_t g;
  uint8_t b;
  uint8_t w;
 
  bool has_white() const { return this->w != NO_WHITE; }
 
  uint8_t bytes_per_led() const { return this->has_white() ? 4 : 3; }
 
  const char *to_string(char *buf) const {
    buf[this->r] = 'R';
    buf[this->g] = 'G';
    buf[this->b] = 'B';
    if (this->has_white()) {
      buf[this->w] = 'W';
    }
    buf[this->bytes_per_led()] = '\0';
    return buf;
  }
};
 
}  // namespace esphome::light