const int  tombol1 = 2; // Pushbutton 1 
const int  tombol2 = 3; // Pushbutton 2
const int  tombol3 = 4; // Pushbutton 3

int status1 = 0; 
int status2 = 0; 
int status3 = 0; 

long f = 0;



#define W_CLK 8       // Pin 8 - connect to AD9850 module word load clock pin (CLK)
#define FQ_UD 9       // Pin 9 - connect to freq update pin (FQ)
#define DATA 10       // Pin 10 - connect to serial data load pin (DATA)
#define RESET 11      // Pin 11 - connect to reset pin (RST).


#define pulseHigh(pin) {digitalWrite(pin, HIGH); digitalWrite(pin, LOW); }
// transfers a byte, a bit at a time, LSB first to the 9850 via serial DATA line
void tfr_byte(byte data)
{
  for (int i=0; i<8; i++, data>>=1) {
  digitalWrite(DATA, data & 0x01);
  pulseHigh(W_CLK);   //after each bit sent, CLK is pulsed high
  }
}



// frequency calc from datasheet page 8 = <sys clock> * <frequency tuning word>/2^32
void sendFrequency(double frequency) {
  int32_t freq = frequency * 4294967295/125000000;  // note 125 MHz clock on 9850
  for (int b=0; b<4; b++, freq>>=8) {
    tfr_byte(freq & 0xFF);
  }
  tfr_byte(0x000);   // Final control byte, all 0 for 9850 chip
  pulseHigh(FQ_UD);  // Done!  Should see output
}

void setup()
{

  
      
  // configure arduino data pins for output
  pinMode(FQ_UD, OUTPUT);
  pinMode(W_CLK, OUTPUT);
  pinMode(DATA, OUTPUT);
  pinMode(RESET, OUTPUT);
  
  pulseHigh(RESET);
  pulseHigh(W_CLK);
  pulseHigh(FQ_UD);  // this pulse enables serial mode - Datasheet page 12 figure 10

  pinMode(tombol1, INPUT);
  pinMode(tombol2, INPUT);
  pinMode(tombol3, INPUT);
  
  Serial.begin(9600);
  
  sendFrequency(400);  // freq
  delay (5000);
  sendFrequency(1300);  // freq
  delay (5000);
  sendFrequency(3000);  // freq
	delay (5000);
}

void loop()
{

 status1 = digitalRead(tombol1);
 status2 = digitalRead(tombol2);
 status3 = digitalRead(tombol3);
  
  if (status1 == HIGH) {
      outermarker();
      Serial.println ("Outer Marker");
    } else {
        notone();
  }
  if (status2 == HIGH) {
      midlemarker();
      Serial.println ("Midle Marker");
    } else {
        notone();
  }
  if (status3 == HIGH) {
      innermarker();
      Serial.println ("Inner Marker");
    } else {
        notone();
  }





}


void notone(){
  sendFrequency(0);  // freq
}
void outermarker(){
    
    sendFrequency(400);  // freq
    
    delay(500);  
    sendFrequency(0);  // freq
    delay(100);
    sendFrequency(400);  // freq
}


void midlemarker(){
    sendFrequency(1300);  // freq
    delay(200);   
    sendFrequency(0);  // freq
    delay(100);
    sendFrequency(1300);  // freq
    delay(500);   

}
void innermarker(){
    sendFrequency(3000);  // freq
    delay(150);   
    sendFrequency(0);  // freq
    delay(150);
}