mroger

void TEA5767N::setSearchUp() {
  transmission_data[THIRD_DATA] |= 0b10000000;
}

void TEA5767N::setSearchDown() {
  transmission_data[THIRD_DATA] &= 0b01111111;
}

mroger

void TEA5767N::setSearchLowStopLevel() {
  transmission_data[THIRD_DATA] &= 0b10011111;
  transmission_data[THIRD_DATA] |= (LOW_STOP_LEVEL << 5);
}

void TEA5767N::setSearchMidStopLevel() {
  transmission_data[THIRD_DATA] &= 0b10011111;
  transmission_data[THIRD_DATA] |= (MID_STOP_LEVEL << 5);
}

mroger

byte TEA5767N::searchNext() {
  byte bandLimitReached;
	
  if (isSearchUp()) {
    selectFrequency(readFrequencyInMHz() + 0.1);
  } else {
    selectFrequency(readFrequencyInMHz() - 0.1);
  }
	
  //Turns the search on

mroger

byte TEA5767N::searchNextMuting() {
  byte bandLimitReached;
	
  mute();
  bandLimitReached = searchNext();
  turnTheSoundBackOn();
	
  return bandLimitReached;
}

mroger

byte TEA5767N::startsSearchFromBeginning() {
  setSearchUp();
  return startsSearchFrom(87.0);
}

byte TEA5767N::startsSearchFromEnd() {
  setSearchDown();
  return startsSearchFrom(108.0);
}

mroger

byte TEA5767N::startsSearchMutingFromBeginning() {
  byte bandLimitReached;
	
  mute();
  bandLimitReached = startsSearchFromBeginning();
  turnTheSoundBackOn();
	
  return bandLimitReached;
}

mroger

#include <TEA5767N.h>

// ...

// Init radio object
TEA5767N radio = TEA5767N();

mroger

// Init LCD display object
// LiquidCrystal lcd(RS, E, D4, D5, D6, D7);
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

mroger

// Buttons codes
#define btnRIGHT    0
#define btnUP       1
#define btnDOWN     2
#define btnLEFT     3
#define btnSELECT   4
#define btnNONE     5

// Delay between clock transitions
#define DELAY_VOLUME_TRANSITION 50

mroger

int read_LCD_buttons() {
  int adc_key_in = analogRead(0);
  if (adc_key_in > 1000) return btnNONE; 
  if (adc_key_in < 50) return btnRIGHT; 
  if (adc_key_in < 195) return btnUP; 
  if (adc_key_in < 380) return btnDOWN; 
  if (adc_key_in < 555) return btnLEFT; 
  if (adc_key_in < 790) return btnSELECT; 
  return btnNONE;
}