Increasing brightness

increasing_brightness.ino

#include "FastLED.h"                                          // FastLED library.

#if FASTLED_VERSION < 3001000
#error "Requires FastLED 3.1 or later; check github for latest code."
#endif

// Fixed definitions cannot change on the fly.
#define LED_DT 12                                             // Data pin to connect to the strip.
#define LED_CK 11                                             // Clock pin for WS2801 or APA102.
#define COLOR_ORDER BGR                                       // It's GRB for WS2812 and BGR for APA102.
#define LED_TYPE APA102                                       // Using APA102, WS2812, WS2801. Don't forget to modify LEDS.addLeds to suit.
#define NUM_LEDS 60                                            // Number of LED's.

// Global variables can be changed on the fly.
uint8_t max_bright = 255;                                      // Overall brightness definition. It can be changed on the fly.

long mycount = 0;

struct CRGB leds[NUM_LEDS];                                   // Initialize our LED array.


void setup() {

  Serial.begin(57600);                                        // Initialize serial port for debugging.
  delay(1000);                                                // Soft startup to ease the flow of electrons.
 
  LEDS.addLeds<LED_TYPE, LED_DT, LED_CK, COLOR_ORDER>(leds, NUM_LEDS);  // Use this for WS2801 or APA102
//  LEDS.addLeds<LED_TYPE, LED_DT, COLOR_ORDER>(leds, NUM_LEDS);  // Use this for WS2812

  FastLED.setBrightness(max_bright);
  set_max_power_in_volts_and_milliamps(5, 500);               // FastLED Power management set at 5V, 500mA.
  
} // setup()



void loop(){

  setcolors();       
  FastLED.show();
  
} // loop()



void setcolors(){
  
  static long mycount = 0;
  Serial.print(">>>");
  Serial.println(mycount);
  
    for (int i=0; i< NUM_LEDS; i++) {
    long temp = mycount / (8*i+1);                    // Each LED starts to light up after the previous one has a brightness of 8. Watch out for div0 though.
    if (temp >0) temp = temp+mycount-8*i;             // Once an LED is lit, take the mycount value and subtract the LED location to get the resulting brightness
    temp = constrain(temp,0,255);                     // Keep the absolute value from going over 255
    Serial.println(temp);
    leds[i] = CHSV(255,0,temp);  
  }

  mycount++;
} // setcolors()