unsigned long now;
unsigned int counter;

# define button 2
# define LED 3

# define PRESSED LOW

# define RATE 1333

// ----- symbolic indices -----
enum {
  ACTION,
  STOP,
  START,

  LED_COUNT
};

void setup() {
  Serial.begin(115200);
  Serial.println("hi Mom!");

  pinMode(button, INPUT_PULLUP);
  pinMode(LED, OUTPUT);

  setupFlash();
}

void loop() {
  static unsigned long lastTime;
  now = millis();
// loop rate

  serviceFlash();


  static bool flag;

// this could be a debounced button and just do the thing asynchronously
  if (digitalRead(button) == PRESSED) flag = true;

// once per
  if (now - lastTime < RATE) return;
  lastTime = now;

  Serial.println(counter); counter++;

  if (flag) {
    flag = false;
    digitalWrite(LED, digitalRead(LED) == LOW ? HIGH : LOW);

    flash(ACTION);
    if (digitalRead(LED) == HIGH) flash(STOP);
    else flash(START);
  }
}



/*

//
place these up top
enum {
  ACTION,
  &c.
}

and in setup

  setupFlash();

then always

  serviceFlash();

so you can just

  flash(ACTION);
*/

// flash a stab at an index of stab lamps
// will also have on/off entries

# include <Adafruit_NeoPixel.h>
# define PIN 8          // the pin
# define NPIXELS 15     // number of LEDs on strip

Adafruit_NeoPixel stab(NPIXELS, PIN, NEO_GRB + NEO_KHZ800); 

# define ledCount LED_COUNT // argh! matches number of symbols
# define STAB 2000           // nice stab of light

unsigned long flashStart[ledCount];
bool dirt;

unsigned char stabMap[ledCount] = {1, 7, 14};

void setupFlash(void)
{
  stab.begin();
  stab.setPixelColor(1, 0xff0000);
  stab.setPixelColor(2, 0x00ff00); 
  stab.setPixelColor(3, 0x0000ff); 
  stab.setPixelColor(NPIXELS - 1, 0xffffff); 

  stab.show();
  delay(777);
  stab.clear();
  stab.show();
}

void flash(int index)
{
  if (index < 0 || index >= ledCount) return;

  stab.setPixelColor(stabMap[index], 0xff0000);
  dirt = true;
  flashStart[index] = millis();
}

void serviceFlash(void)
{
//  unsigned long now = millis(); needs global *now*
  for (unsigned char ii = 0; ii < ledCount; ii++) {
    if (flashStart[ii] != 0 && now - flashStart[ii] >= STAB) {
      stab.setPixelColor(stabMap[ii], 0x200020);
      flashStart[ii] = 0;

      dirt = true;
    }
  }

  if (dirt) stab.show();
}



/*
void loop0() {
  static unsigned long lastTime;
  now = millis();
// loop rate

  static bool flag;
  static bool did;

  if (digitalRead(button) == PRESSED) flag = true;

// once per
  if (now - lastTime < RATE) return;
  lastTime = now;

  Serial.println(counter); counter++;

  if (!did) {
    if (flag) {
      flag = false;
      digitalWrite(LED, digitalRead(LED) == LOW ? HIGH : LOW);
      did = true;
    }
  }
  else did = false;
}
*/