rf transmitter

/////////////   transmitter v2.0  /////////
#include <SPI.h>
#include <RH_ASK.h>   //rf library


const byte adressPin1 = 7;
const byte adressPin2 = 8;
int adress1, adress2;


//RH_ASK rf_driver(2000,10); //syntax for changing digital pin and baud rate
RH_ASK rf_driver; //default tx pin D12

//uint8_t buff[11]; //array for storing message for
char *message1 = "Activation";
char *message2 = "Moonwalker";
char message3 = "Enterprise";
char message4 = "Resolution";
char *msg; //rf message

void setup() {
  Serial.begin(9600);

  rf_driver.init();

  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(adressPin1, INPUT);
  pinMode(adressPin2, INPUT);

  adress1 = digitalRead(adressPin1);
  adress2 = digitalRead(adressPin2);

  ////testing///
  adress1 = LOW;
  adress2 = LOW;
  //////////////

  if(adress1 == LOW && adress2 == LOW)
    *msg = *message1;

  if(adress1 == LOW && adress2 == HIGH)
    msg = *message2;

  //if(adress1 == HIGH && adress2 == LOW)
    //msg = message3;

  //if(adress1 == HIGH && adress2 == HIGH)
    //msg = message4;


}

void loop() {

  digitalWrite(LED_BUILTIN, HIGH);
  rf_driver.send((uint8_t*)msg, strlen(msg));
  rf_driver.waitPacketSent();
  digitalWrite(LED_BUILTIN, LOW);
  delay(500);

}