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/* TRANSMITTER CODE

#include <VirtualWire.h>

void setup()
{
    Serial.begin(9600);   // Debugging only
    Serial.println("setup");

    // Initialise the IO and ISR
    vw_set_ptt_inverted(true); // Required for DR3100
    vw_setup(2000); // Bits per sec
        vw_set_tx_pin(3);
       
        pinMode(8, INPUT);
        pinMode(9, INPUT);
        pinMode(10, INPUT);
        pinMode(11, INPUT);

digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);

}

void loop()
{
  char *msg;
 
  if(digitalRead(8) == LOW){
    char *msg = "1";
      digitalWrite(13, true); // Flash a light to show transmitting
    vw_send((uint8_t *)msg, strlen(msg));
    vw_wait_tx(); // Wait until the whole message is gone
    digitalWrite(13, false);}
  if(digitalRead(9) == LOW){
    char *msg = "2";
      digitalWrite(13, true); // Flash a light to show transmitting
    vw_send((uint8_t *)msg, strlen(msg));
    vw_wait_tx(); // Wait until the whole message is gone
    digitalWrite(13, false);}
  if(digitalRead(10) == LOW){
    char *msg = "3";
      digitalWrite(13, true); // Flash a light to show transmitting
    vw_send((uint8_t *)msg, strlen(msg));
    vw_wait_tx(); // Wait until the whole message is gone
    digitalWrite(13, false);}
  if(digitalRead(11) == LOW){
    char *msg = "4";
      digitalWrite(13, true); // Flash a light to show transmitting
    vw_send((uint8_t *)msg, strlen(msg));
    vw_wait_tx(); // Wait until the whole message is gone
    digitalWrite(13, false);}
  }
 
  END TRANSMITTER CODE */
 
  //*******************************************************************************************//
 
  /* RECIEVER CODE
 
  #include <VirtualWire.h>

void setup()
{
    Serial.begin(9600); // Debugging only
    Serial.println("setup");

    // Initialise the IO and ISR
    vw_set_ptt_inverted(true); // Required for DR3100
    vw_setup(2000); // Bits per sec
    vw_set_rx_pin(2);
    vw_rx_start();       // Start the receiver PLL running

pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
}

void loop()
{
 
  digitalWrite(8, LOW);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
 
    uint8_t buf[VW_MAX_MESSAGE_LEN];
    uint8_t buflen = VW_MAX_MESSAGE_LEN;

    if (vw_get_message(buf, &buflen)) // Non-blocking
    {
int i;

        digitalWrite(13, true); // Flash a light to show received good message
// Message with a good checksum received, dump it.
Serial.print("Got: ");

for (i = 0; i < buflen; i++)
{
    Serial.print(buf[i]);
        if(buf[i] == '1'){digitalWrite(8, HIGH);}
        if(buf[i] == '2'){digitalWrite(9, HIGH);}
        if(buf[i] == '3'){digitalWrite(10, HIGH);}
        if(buf[i] == '4'){digitalWrite(11, HIGH);}
    Serial.print(" ");
}
Serial.println("");
        digitalWrite(13, false);

   }
}