/* 

Morse Code Beacon

Test beacon will transmit and wait 30 seconds. 
Beacon will check to see if the channel is clear before it will transmit.


*/

#include <HAMShield.h>
#include <Wire.h>

HAMShield radio;

void setup() { 
  Serial.begin(9600);
  Serial.println("starting up..");
  Wire.begin();
  
  pinMode(11, OUTPUT);
  
  //testing
  //Wire.beginTransmission(42);
  //Wire.write('T');
  //Wire.write('e');
  //Wire.write('s');
  //Wire.write('t');
  //Wire.endTransmission();
  
  
  Serial.print("Radio status: ");
  int result = radio.testConnection();
  Serial.println(result,DEC);
  radio.initialize();                         // setup radio
  radio.setFrequency(446000);                 // set to 70 cm call frequency
  Serial.println("Done with radio beacon setup.");
}

void loop() {
  //while(1){}
   //if(radio.waitForChannel(30000,2000)) {     // wait up to 30 seconds for a clear channel, and then 2 seconds of empty channel
      Serial.println("Signal is clear -- Transmitting");
      radio.setModeTransmit();                // turn on the transmitter
      radio.morseOut("1ZZ9ZZ/B CN87 ARDUINO HAMSHIELD");
      radio.setModeReceive();                 // turn off the transmitter (receive mode)
      Serial.print("TX Off");
      //delay(30000);    
   //} else { Serial.println("The channel was busy. Waiting 10 seconds."); delay(10000); } 
   delay(10000);
}