Usage Example for Arduino-Sleep Mode Test

#define Sleep_RQ  11  //sleep control input pin of the WIFI shield
#define Sleep_ON  12  //sleep state output pin of the WIFI shield
unsigned char flag;  //Sleep state

void setup()
{
  Serial.begin(115200);    //Baudrate
  pinMode(Sleep_ON,INPUT);
  pinMode(Sleep_RQ,OUTPUT);
  digitalWrite(Sleep_RQ,HIGH);  //Running
  delay(100);

  Serial.println("Start!");         //Test start
  for(unsigned char i = 0;i<10;i++)  //output the state of the shield lasts 20 seconds
  {
    flag = digitalRead(Sleep_ON);
    if(0 == flag)
      Serial.println("D12=0 Sleep");
    else
      Serial.println("D12=1 Active");
    delay(1000);
  }

  Serial.println("Sleep after five second!");    //Sleep after five second
  digitalWrite(Sleep_RQ,LOW);                     //set the shield to sleep mode
  delay(5000);
  digitalWrite(Sleep_RQ,HIGH);
  delay(100);
  Serial.println("Sleep Now!");

  for(unsigned char i = 0;i<10;i++)      //output the state of the shield lasts 20 seconds
  {
    flag = digitalRead(Sleep_ON);
    if(0 == flag)
      Serial.println("D12=0 Sleep");
    else
      Serial.println("D12=1 Active");
    delay(1000);
  }

  Serial.println("Weak up  Now!");
  digitalWrite(Sleep_RQ,LOW);         //set the shield to normal working state
  delay(2000);
  digitalWrite(Sleep_RQ,HIGH);
  delay(100);

  for(unsigned char i = 0;i<10;i++)   //output the state of the shield lasts 20 seconds
  {
    flag = digitalRead(12);
    if(0 == flag)
      Serial.println("D12=0 Sleep");
    else
      Serial.println("D12=1 Active");
    delay(1000);
  }
  Serial.println("Test RX and TX!");
}

void loop()
{
  if(Serial.available()>0)     //Print what serial received.
  {
    char inbyte=Serial.read();
    Serial.print(inbyte);
  }
}