#define NUM_SIGNALS 9
#define NUM_ENTRIES 20000// Total entries from the CSV file

// Storing time values in program memory (PROGMEM)
const unsigned long time_values[NUM_ENTRIES] PROGMEM = {
  464, 1176, 1892, 2616, 3336, 4070, 4460, 4797, 4969, 5541, 6274, 6666, 7025, 7407, 7760, 8515, 9247, 9987, 10761, 15681, 16477, 17161, 17876, 18567, 19284, 19975
  // Include all time values in microseconds here...
};

// Storing signal values in program memory (PROGMEM)
const int signals[NUM_SIGNALS][NUM_ENTRIES] PROGMEM = {
    {0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1},  // Crank Signal
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_1
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_2
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_3
    {0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_4
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_5
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_6
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},  // ECM_Sig_7
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}   // ECM_Sig_8
    // Add all signal values here...
};

int signal_pins[NUM_SIGNALS] = {2, 13, 14, 27, 26, 25, 33, 32,12}; // Digital pins

void setup() {
  // Initialize the digital pins as outputs
  for (int i = 0; i < NUM_SIGNALS; i++) {
    pinMode(signal_pins[i], OUTPUT);
  }
}

void loop() {
  unsigned long start_time = micros(); // Start timing
  for (int i = 0; i < NUM_ENTRIES; i++) {
    // Wait until the correct time
    while (micros() - start_time < pgm_read_dword(&(time_values[i])));

    // Output the signals
    for (int j = 0; j < NUM_SIGNALS; j++) {
      digitalWrite(signal_pins[j], pgm_read_word(&(signals[j][i])));
    }
  }

  
}