Particle Sleep State Testing

main.cpp

#include "Particle.h"

SYSTEM_MODE(SEMI_AUTOMATIC);
SYSTEM_THREAD(ENABLED);

void setup()                    //hardware initialization.
{
  Serial.begin(9600);          //enable serial port.
}


void loop() {

  ////////////////////
  // Stage-1 : WAKE //
  ////////////////////
  Serial.println("Normal State Starts");
  delay(16000); //16 seconds of normal state
  Serial.println("Normal State Ends");

  /////////////////////
  // STAGE-2 : SLEEP //
  /////////////////////
  Serial.println("Sleep begins");
  System.sleep(SLEEP_MODE_SOFTPOWEROFF, 16); //16 seconds of deep-sleep

}