Generated C Loop

#include <Arduino.h>

#define LED_PIN 9

struct Step { uint16_t duty; uint16_t ms; };
const Step pattern[] = {
  { 0, 67 },
  { 31, 67 },
  { 61, 67 },
  { 90, 67 },
  { 119, 67 },
  { 145, 67 },
  { 169, 67 },
  { 191, 67 },
  { 210, 67 },
  { 226, 67 },
  { 238, 67 },
  { 248, 67 },
  { 253, 67 },
  { 255, 67 },
  { 253, 67 },
  { 248, 67 },
  { 238, 67 },
  { 226, 67 },
  { 210, 67 },
  { 191, 67 },
  { 169, 67 },
  { 145, 67 },
  { 119, 67 },
  { 90, 67 },
  { 61, 67 },
  { 31, 67 },
  { 0, 67 }
};
const size_t patternCount = sizeof(pattern) / sizeof(pattern[0]);

void setup() {
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  for (size_t i = 0; i < patternCount; i++) {
    analogWrite(LED_PIN, pattern[i].duty);
    delay(pattern[i].ms);
  }
}