Arduino per katja

#include <SPI.h>
#include <FastLED.h>
//#include <SFE_MicroOLED.h>


#define NUM_LEDS 256  // How many LED in the strip
#define PIN_LED   5  // Connect LED_Data to pin 5

#define PIN_RESET 9  // Connect RST to pin 9
#define PIN_DC    8  // Connect DC to pin 8
#define PIN_CS    10 // Connect Chip Select to pin 10
#define DC_JUMPER 0 // Set to 0 for SPI

static uint8_t p = 0; // pivot led
static uint8_t b = 255; // brightness

//MicroOLED oled(PIN_RESET, PIN_DC, PIN_CS); //SPI Object declaration

CRGB leds [NUM_LEDS];


void setAllLED(uint8_t state) { for(int i = 0; i < NUM_LEDS; i++) { leds[i] = CHSV(0, 0, state%256 );}}



void setup() {
  //oled.begin();     // Initialize the OLED
  //oled.clear(PAGE); // Clear the display's internal memory
  //oled.clear(ALL);  // Clear the library's display buffer
  //oled.display();   // Display what's in the buffer (splashscreen)

  LEDS.addLeds<WS2812B,PIN_LED,RGB>(leds,NUM_LEDS);
  LEDS.setBrightness(255);
  pinMode(A3, OUTPUT);
}

void loop() {
    setAllLED(0);
    leds[p] = CHSV(0, 0, b);
    FastLED.show();
//    printTitle("wait", 1);
  // put your main code here, to run repeatedly:
    delay(1000);
    //printTitle("shoot", 1);
    shootNow();
    delay(2000);
    if (p == NUM_LEDS) {
      exit(0);
    }
    p = (++p)%NUM_LEDS;
    //b = (++b)%256;


}
/*
void printTitle(String title, int font)
{
  int middleX = oled.getLCDWidth() / 2;
  int middleY = oled.getLCDHeight() / 2;

  oled.clear(PAGE);
  oled.setFontType(font);
  // Try to set the cursor in the middle of the screen
  oled.setCursor(middleX - (oled.getFontWidth() * (title.length() / 2)),
                 middleY - (oled.getFontHeight() / 2));
  // Print the title:
  oled.print(title);
  oled.display();
}

*/
void shootNow() {
  const int high = 9;
  const int low = 20;
  const int gap = 7100;
  const int np = 18;
  const int pin = A3;

  digitalWrite(pin, LOW);
  for(int i = 0 ; i < np ; i++) {
    digitalWrite(pin, HIGH);
    delayMicroseconds(high);
    digitalWrite(pin, LOW);
    delayMicroseconds(low);
  }

  delayMicroseconds(gap);

  for(int i = 0 ; i < np ; i++) {
    digitalWrite(pin, HIGH);
    delayMicroseconds(high);
    digitalWrite(pin, LOW);
    delayMicroseconds(low);
  }
  digitalWrite(pin, LOW);
}