arduino控制ws2822灯条

我手上有一个ws2822的灯条 我要让它每颗灯珠按顺序依次循环点亮（其它灯珠都不亮）下面的程序怎么改?

#include <Adafruit_NeoPixel.h>
#define PIN 6
// Parameter 1 = number of pixels in strip
// Parameter 2 = pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
Adafruit_NeoPixel strip = Adafruit_NeoPixel(144, PIN, NEO_GRB + NEO_KHZ800);
void setup() {
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}
void loop() {
  // Some example procedures showing how to display to the pixels:
  colorWipe(strip.Color(0, 0, 0), 50);
  colorWipe(strip.Color(255, 0, 0), 50); // Red
// colorWipe(strip.Color(0, 255, 0), 50); // Green
// colorWipe(strip.Color(0, 0, 255), 50); // Blue
  // Send a theater pixel chase in...
// theaterChase(strip.Color(127, 127, 127), 50); // White
// theaterChase(strip.Color(127,   0,   0), 50); // Red
// theaterChase(strip.Color(  0,   0, 127), 50); // Blue
//  rainbow(20);
// rainbowCycle(20);
// theaterChaseRainbow(50);
}
// Fill the dots one after the other with a color
void colorWipe(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, c);
      strip.show();
      delay(wait);
  }
}              

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