// LCD2004 and Pi Pico!
#include <SimpleRotary.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
float CW =880;
LiquidCrystal_I2C lcd(0x27, 20, 4);
SimpleRotary rotary(18,19,20);

void setup() {
  Wire.setSDA(8);
  Wire.setSCL(9);
  Wire.begin();

  lcd.init();
  lcd.backlight();
  
}

void loop() {
   lcd.setCursor(3,0);
  lcd.print("FM RADIO");
  byte i;

  // 0 = not turning, 1 = CW, 2 = CCW
  i = rotary.rotate();

  if ( i == 1 ) {
    lcd.clear();
    CW++;
    if(CW>=1080) CW =880;
    lcd.setCursor(4,1);
    lcd.print(CW/10);
  }

  if ( i == 2 ) {
    lcd.clear();
    CW--;
    if(CW<=880)CW=1080;
    lcd.setCursor(4,1);
    lcd.print(CW/10);
  }
}