/*-------------------------------------------------------------------
 Project: InsoL@b                                                           
 Author : user@B0                                   mail@nowhere.void 
 File   : led_RGB.h                                        2026-04-23 
 This work is copyrighted under CERN Open Hardware Licence Version 2.
----------------------------------------------------------------------
Aqua  #00FFFF 0%  100%  100%  180°  100%  50% 100%  100%  11 (high cyan); cyan
Teal  #008080 0%  50% 50% 180°  100%  25% 100%  50% 03 (low cyan)
Blue  #0000FF 0%  0%  100%  240°  100%  50% 100%  100%  09 (high blue)
Navy  #000080 0%  0%  50% 240°  100%  25% 100%  50% 01 (low blue)
Fuchsia #FF00FF 100%  0%  100%  300°  100%  50% 100%  100%  13 (high magenta); magenta
Purple  #800080 50% 0%  50% 300°  100%  25% 100%  50% 05 (low magenta)
---------------------------------------------------------------------*/
#ifndef _INSOLAB_LEDRGB_H_ 
#define _INSOLAB_LEDRGB_H_ 
#include <SPI.h>
#include <Adafruit_NeoPixel.h>
#define PIN 16  // RGB LED (WS2812) clone of Waveshare rp2040-zero.
#define NUMPIXELS 1
Adafruit_NeoPixel pixels(
  NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
enum {NONE, RED, YELLOW, ORANGE, GREEN, BLUE, PINK, FUCHS, BLANK};
int ledColor = NONE;
int ledMax=2; 

void ledInit() {
  pixels.begin();
  pixels.setPixelColor(0, pixels.Color(0, 0, 0));
  pixels.show();
  delay(100);
}
void ledRGB(int rgb) {
  switch (rgb) {
  case RED:   pixels.setPixelColor(0, pixels.Color(ledMax, 0, 0));
    break;
  case YELLOW:   pixels.setPixelColor(0, pixels.Color(ledMax, ledMax, 0));
    break;
  case ORANGE:   pixels.setPixelColor(0, pixels.Color(ledMax, 1, 0));
    break;    
  case GREEN: pixels.setPixelColor(0, pixels.Color(0, ledMax, 0));
    break;
  case BLUE:  pixels.setPixelColor(0, pixels.Color(0, ledMax, ledMax)); // AQUA
    break;
  case PINK:  pixels.setPixelColor(0, pixels.Color(1,0,3)); // (1,0,2));
    break;    // pink color  (255, 192, 203)  deep pink (255, 20, 147)
  case FUCHS:  pixels.setPixelColor(0, pixels.Color(ledMax,0,ledMax)); // FUCHSIA
    break;   
  case BLANK:   pixels.setPixelColor(0, pixels.Color(1, 1, 1));
    break;
  case NONE:  pixels.setPixelColor(0, pixels.Color(0, 0, 0));
    break;
  }
  pixels.show(); delay(100);
}
void  ledScale(int rgb, int first, int aim, int inc, int period) {
  int i = first;
  do {
    i = i + inc;
    switch (rgb) {
      case RED:
        pixels.setPixelColor(0, pixels.Color(i, 0, 0));
        break;
      case GREEN:
        pixels.setPixelColor(0, pixels.Color(0, i, 0));
        break;
      case BLUE:
        pixels.setPixelColor(0, pixels.Color(0, 0, i));
        break;
      case BLANK:
        pixels.setPixelColor(0, pixels.Color(i, i, i));
        break;        
    }
    pixels.show(); delay(period);
  } while (i != aim );
}


uint16_t hue = 0; uint8_t sat = 0, val = 0;
int32_t couleur = 0;

void ledTest() {
  int period=12;
  switch (ledColor) {
    case NONE:
      for (val = 10; val < 50; val += 10) {
        for (sat = 10; sat < 50; sat += 10) {
          couleur = pixels.ColorHSV(765, sat, val);
          pixels.setPixelColor(0, couleur);
          pixels.show();
          delay(6);
        }
      }
      break;
    case RED:
      ledScale(RED, 1, 200, 1, period);
      ledScale(RED, 200, 1, -1, period);
      break;
    case GREEN:
      ledScale(GREEN, 1, 200, 1, period);
      ledScale(GREEN, 200, 1, -1, period);
      break;   
    case BLUE:
      ledScale(BLUE, 1, 200, 1, period);
      ledScale(BLUE, 200, 1, -1, period);
      break;
    default:
      break;
  }
  ledColor++;
  if (ledColor == 4) {
    ledColor = NONE;
  }
  delay(1000);
}
#endif