deepsleeptest.ino

#include <EEPROM.h>

// Time to sleep (in seconds):
const int sleepTimeS = 5;

byte sleepCount = 0;
bool debug = true;

void setup() 
{
          if (debug) Serial.begin(115200);
          if (debug) Serial.println("DeeplSleep test\n");
          if (debug) Serial.println("---------------\n");


  EEPROM.begin(1); // initialise EEPROM to store only one byte

          if (debug) Serial.println("- EEPROM inislised with 1 byte\n");

  pinMode(LED_BUILTIN, OUTPUT);     // Initialize the LED_BUILTIN pin as an output


          if (debug) Serial.println("- Reading EEPROM at address 0\n");

  sleepCount = EEPROM.read(0); // Read whatever value is in the EEPROM 0 byte

          if (debug) Serial.println("- EEPROM read, value is: " + String(sleepCount) + "\n");
          if (debug) Serial.println("- Gonna flash some LEDs now\n");


  for (int i = 0; i < sleepCount; i++)
  {
    digitalWrite(LED_BUILTIN, HIGH);
    delay(200);
    digitalWrite(LED_BUILTIN, LOW);
  }

           if (debug) Serial.println("- Finished flashing Leds, now going to write " + String(sleepCount+1) + " to the EEPROM\n");

  // EEPROM.write(addr, val);
  EEPROM.write(0, sleepCount+1); 

          if (debug) Serial.println("- Finished writeing " + String(sleepCount+1) + " to the EEPROM\n");
          if (debug) Serial.println("- Pause for a second and take a deep breath\n");

  delay(1000);

          if (debug) Serial.println("- Gonna go to sleep for "+ String(sleepTimeS) +" Seconds\n");
  
  ESP.deepSleep(sleepTimeS * 1000000);
  
          if (debug) Serial.println("- ZZZZZZZZZzzzzzzzzzzz z z z z z\n");
  
  delay(1000);
}

// the loop function runs over and over again forever
void loop() 
{
  //you aint seen me right?
}